public static Account ToInterfaceAccount(this BllAccount bllAccount, BankUser bankUser) =>
 new Account
 {
     Id          = CryptographyHelper.Decrypt(bllAccount.Id, bllAccount.BankUser.Email),
     BankUser    = bankUser,
     Sum         = bllAccount.Sum,
     Type        = GetAccountType(bllAccount.GetType().Name),
     BonusPoints = bllAccount.BonusPoints
 };
 public static DalAccount ToDalAccount(this BllAccount bllAccount) =>
 new DalAccount
 {
     Id          = bllAccount.Id,
     BonusPoints = bllAccount.BonusPoints,
     Sum         = bllAccount.Sum,
     Type        = GetAccountType(bllAccount.GetType()),
     BankUser    = bllAccount.BankUser.ToDalBankUser(string.Empty)
 };