/// <summary>
/// Returns a list of employees
/// </summary>
/// <param name="id">optional, it specifies an Id to filter by</param>
/// <returns>Returns a list of EmployeeDTO objects</returns>
public List <EmployeeDTO> GetEmployees(int?id)
{
var result = new List <EmployeeDTO>();
var factory = new EmployeeFactory();
var employees = _repository.GetAll();
if (id.HasValue)
{
employees = employees.Where(e => e.Id == id.Value).ToList();
}
foreach (EmployeeModel e in employees)
{
var dto = factory.CreateEmployeeDTO(e);
dto.CalculateYearSalary();
result.Add(dto);
}
return(result);
}