public bool canGoOnVacation(Physitian physitian, TimeInterval timeInterval)
{
bool isNotOnVacation = !physitian.IsOnVacation(timeInterval);
bool isNotScheduled = !IsPhysitianScheduled(physitian, timeInterval);
return(isNotOnVacation && isNotScheduled);
}
public bool IsPhysitianAvailable(Physitian physitian, TimeInterval timeInterval)
{
bool isTheirShift = physitian.IsTheirShift(timeInterval);
bool isNotOnVacation = !physitian.IsOnVacation(timeInterval);
bool isNotScheduled = !IsPhysitianScheduled(physitian, timeInterval);
return(isTheirShift && isNotOnVacation && isNotScheduled);
}