/// <summary>
/// Creates a new account
/// </summary>
/// <param name="user"><see cref="User"/> entity</param>
/// <returns>Created <see cref="Account"/> entity</returns>
public Account CreateAccount(User user)
{
if (user == null)
throw new ArgumentNullException("user");
var account = new Account
{
Balance = 0m,
User = user
};
_accountRepository.Add(account);
return account;
}
public override void Init()
{
base.Init();
Account = BankService.CreateAccount(User);
}
/// <summary>
/// Creates a new transaction
/// </summary>
/// <param name="transactionType">The type of the transaction</param>
/// <param name="account"><see cref="Account"/> entity</param>
/// <param name="amount">Amount</param>
/// <returns>Created transaction</returns>
public Transaction CreateTransaction(TransactionType transactionType, Account account, Decimal amount)
{
if (transactionType == TransactionType.NotSpecified)
throw new ArgumentException("The transaction's type cann't be not specified");
if (account == null)
throw new ArgumentNullException("account");
if (amount <= 0)
throw new ArgumentException("Amount cann't be less or equal 0");
if (!DoesTheAccountExist(account))
throw new ArgumentException(String.Format("Account with ID {0} wasn't found", account.AccountId));
var transaction = new Transaction
{
Account = account,
Amount = amount,
Type = transactionType,
IsCommited = false
};
_transactionRepository.Add(transaction);
return transaction;
}
/// <summary>
/// Checks exist the account in the collection of the accounts
/// </summary>
/// <param name="account"><see cref="Account"/> entity</param>
/// <returns>TRUE - if the account exists, FALSE - if the account doesn't exist</returns>
private Boolean DoesTheAccountExist(Account account)
{
if (account == null)
throw new ArgumentNullException("account");
return _accountRepository.Query().Any(x => x.AccountId == account.AccountId);
}
/// <summary>
/// Removes an account
/// </summary>
/// <param name="account"><see cref="Account"/> entity</param>
public void RemoveAccount(Account account)
{
if (account == null)
throw new ArgumentNullException("account");
if (!DoesTheAccountExist(account))
throw new ArgumentException(String.Format("Account with ID {0} wasn't found", account.AccountId));
// first delete all transactions
var transactions = _transactionRepository.Query().Where(x => x.Account.AccountId == account.AccountId);
_transactionRepository.DeleteRange(transactions);
// delete account
_accountRepository.Delete(account);
}
/// <summary>
/// Gets transaction by account
/// </summary>
/// <param name="account"><see cref="Account"/> entity</param>
/// <returns>Collection of <see cref="Transaction"/> entities</returns>
public IEnumerable<Transaction> GetTransactionsByAccount(Account account)
{
if (account == null)
throw new ArgumentNullException("account");
return _transactionRepository.Query().Where(x => x.Account.AccountId == account.AccountId);
}
