/// <summary>Add account to database</summary>
/// <param name="als">this account storage</param>
/// <param name="account">account to add</param>
public static void AddAccount(this AccountListStorage als, Account account)
{
if (account == null || als.Database.Contains(account))
{
throw new ArgumentException();
}
als.Database.Add(account);
}
/// <summary>Print database to stream</summary>
/// <param name="bls">this account storage</param>
/// <param name="tw">output textwritter stream</param>
public static void PrintLibrary(this AccountListStorage als, TextWriter tw)
{
if (tw == null)
{
throw new ArgumentException();
}
foreach (Account account in als.Database)
{
tw.WriteLine(account);
}
}
/// <summary>Remove account from database</summary>
/// <param name="als">this account storage</param>
/// <param name="account">account to remove</param>
public static void RemoveAccount(this AccountListStorage als, int accountID)
{
bool wasRemoved = false;
foreach (Account account in als.Database)
{
if (account.AccountID == accountID)
{
wasRemoved = true;
als.Database.Remove(account);
break;
}
}
if (!wasRemoved)
{
throw new ArgumentException();
}
}
