public Controller()
{
_ventilationAggregateRepository = new VentilationAggregateRepository();
_customerRepository = new CustomerRepository();
_buildingRepository = new BuildingRepository();
_roomRepository = new RoomRepository();
_floorRepository = new FloorRepository();
AllCustomers = _customerRepository.GetAllCustomers();
AllBuildings = _buildingRepository.GetAllBuildings();
AllVentilationAggregates = _ventilationAggregateRepository.GetAllVentilationAggregates();
AllRooms = _roomRepository.GetAllRooms();
AllFloors = _floorRepository.GetAllFloors();
}