public List <Employee> FindAll()
{
_connection = new SqlConnection(_connectionString);
_connection.Open();
var cmd = _connection.CreateCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText = "SELECT * FROM Employees";
var reader = cmd.ExecuteReader();
var list = new List <Employee>();
while (reader.Read())
{
var e = new Employee();
e.Id = (int)reader["Id"];
e.Name = (string)reader["Name"];
e.TotalPay = (decimal)reader["TotalPay"];
e.BonusCalculator =
createBonusCalculator((string)reader["BonusCalculatorType"]);
var payType = (string)reader["PayCalculatorType"];
switch (payType)
{
case nameof(FixedPayCalculator):
var fixedCalc = new FixedPayCalculator();
fixedCalc.MonthlySalary = (decimal)reader["MonthlySalary"];
break;
case nameof(HourlyPayCalculator):
var hourlyCalc = new HourlyPayCalculator();
hourlyCalc.HourlySalary = (decimal)reader["HourlySalary"];
// TODO: pesca le schedulations di questo employee.
break;
case nameof(CommissionPayCalculator):
var commCalc = new CommissionPayCalculator();
commCalc.CommissionPercentage = (decimal)reader["CommissionPercentage"];
//TODO: pesca le Commissions di questo Employee
break;
case nameof(NullPayCalculator):
break;
default:
throw new ArgumentException($"'{payType}' is not a known PayCalculator!");
}
list.Add(e);
}
_connection.Close();
return(list);
}
public void Save(Employee e, FixedPayCalculator c)
{
var cmd = _connection.CreateCommand();
cmd.CommandType = CommandType.Text;
cmd.CommandText =
" UPDATE Employees SET" +
" PayCalculatorType = @PayCalculatorType," +
" MonthlySalary = @MonthlySalary" +
" WHERE Id = @Id;";
cmd.Parameters.Add(new SqlParameter("PayCalculatorType", c.GetType().Name));
cmd.Parameters.Add(new SqlParameter("MonthlySalary", c.MonthlySalary));
cmd.Parameters.Add(new SqlParameter("Id", e.Id));
cmd.ExecuteNonQuery();
}