/// <summary>
/// add new contract.
/// conditions:
/// 1: the child is above 3 month old
/// 2: the nanny not reached her max amount of children
/// </summary>
/// <param name="myContract"></param>
public void AddContract(Contract myContract)
{
Child ch = myIdal.FindChild(myContract.ChildId);
Nanny nan = myIdal.FindNanny(myContract.NannyId);
Mother mom = myIdal.FindMother(ch.MotherId);
DateTime ourTime = DateTime.Now.AddMonths(-3);
if (ch.DateOfBirth > ourTime)
{
throw new Exception("Child under 3 month");
}
if (nan.MaxChildNumber == nan.NumOfContract)
{
throw new Exception("nanny already reach the max amount of children ");
}
int newSalary = CalculateSalary(ch, nan, mom, myContract.ConType); // gets the new salary
if (myContract.ConType == ContractType.hourly) // if the contract required hourly wage
{
myContract.HourlyWage = newSalary;
}
else
{
myContract.MonthlyWage = newSalary;
}
myIdal.AddContract(myContract);
nan.NumOfContract += 1;; // updating the number of contracts
myIdal.UpdateNanny(nan);
}