/// <summary>
/// Initializes a new instance of the <see cref="BankService"/> class.
/// </summary>
/// <param name="bankStorage">contains methods of save and load accounts</param>
public BankService(IBankStorage bankStorage)
{
Accounts = new List <Account>();
BankStorage = bankStorage ?? throw new ArgumentNullException(nameof(bankStorage));
}
/// <summary>
/// Initializes a new instance of the <see cref="BankService"/> class.
/// </summary>
/// <param name="storage">
/// Permanent storage.
/// </param>
public BankService(IBankStorage storage)
{
this.accountsStorage = storage;
this.GetAccountsFromStorage();
}
