public int UnloadVehicle(int garageSlot)
{
ErrorTracker.FullGarage(this.IsFull);
ErrorTracker.InvalidGarageSlot(this.GarageSlots, garageSlot);
ErrorTracker.EmptyGarageSlot(this.garage[garageSlot]);
Vehicle currentVehicle = this.garage[garageSlot];
int uploadedProducts = 0;
while (!currentVehicle.IsEmpty && !this.IsFull)
{
Product currentProduct = currentVehicle.Unload();
this.products.Add(currentProduct);
uploadedProducts++;
}
return(uploadedProducts);
}