public async Task RegisterToProvideLoans(RegisterModel registerModel)
{
bool isProviderLoanExist = await _rulesRepository.CheckProviderLoanExist(registerModel.ProviderLoanId);
if (isProviderLoanExist)
{
throw new DuplicateLoanProviderIdException();
}
else
{
List <RuleModel> policyRules = ConvertExcelToRulesObject(registerModel.FilePath);
List <RuleModel> rulesListToDb = CreateRulesTree(policyRules, registerModel.ProviderLoanId);
await _rulesRepository.CreatePolicy(rulesListToDb);
}
}