public async Task <string> AddAccount(int clientId)
{
var account = new RepozytoriumDB.DTO.Account();
var idNextAccount = await GetNextIdAccount();
account.Number = idNextAccount;
account.Checksum = NumberAccountHelper.CalculateChecksum(idNextAccount);
account.Client = await _accountRepository.ClientRepository.GetByIdAsync(clientId);
_accountRepository.Add(account);
await _accountRepository.SaveAsync();
return(NumberAccountHelper.GetFullNumberAccount(account.Checksum, account.Number));
}
