public async Task <Guid> AddEmployee(EmployeeDto employee)
{
if (await _employeeContext.CpfExists(employee.Cpf))
{
throw new Exception("Employee already exists.");
}
var mappedEmployee = MapEmployee(employee);
var validationResult = await _employeeValidator.ValidateAsync(mappedEmployee, CancellationToken.None);
if (validationResult.IsValid)
{
var result = await _employeeContext.InsertEmployee(mappedEmployee);
return(result);
}
throw new Exception("Invalid employee data.");
}