public void addContract(Contract contract)
{
Nanny n = dal.getNanny(contract.NannyID);
Child c = dal.getChild(contract.ChildID);
Mother m = dal.getMom(c.MotherID);
if (c.DateOfBirth.Year < 1 && c.DateOfBirth.Month < 3)
{
throw new Exception("the child's age is less than 3 month");
}
if (n.MaxChilds == (dal.GetAllContract().FindAll(x => x.NannyID == n.ID).Count))
{
throw new Exception("this nanny is full");
}
if (n.HourlyRate && (contract.HourOrMonth == BE.SalaryBy.Hour))
{
int hours = 0;
for (int i = 0; i < 6; i++)
{
hours += m.HoursOfNeedingNanny[1, i].Hour - m.HoursOfNeedingNanny[0, i].Hour;
}
contract.MonthlySalary = n.PricePerHour * 4 * hours;
}
else
{
contract.MonthlySalary = n.PricePerMonth;
}
int momChildren = dal.GetAllContract().FindAll(x => dal.getChild(x.ChildID).MotherID == m.ID && x.NannyID == n.ID).Count;
for (int i = 0; i < momChildren; i++)
{
contract.MonthlySalary = contract.MonthlySalary * 0.02;
}
try
{
dal.addContract(contract);
}
catch (DuplicateWaitObjectException e)
{
throw new DuplicateWaitObjectException(e.Message);
}
}
