public void addSchedule(@RequestBody @Valid ScheduleDTO request) {

		List<Date> dates = request.getDates();
		int id = request.getUserID();

		Map<Date, DayDTO> datesMap = new HashMap<Date, DayDTO>();

		for (int i = 0; i < schedules.size(); i++) {
			if (schedules.get(i).getId() == id) {
				List<DayDTO> days = schedules.get(i).getDays();
				for (int j = 0; j < days.size(); j++) {
					datesMap.put(days.get(j).getDate(), days.get(j));
				}
			}
		}

		for (int i = 0; i < schedules.size(); i++) {
			if (schedules.get(i).getId() == id) {
				for (Date date : dates) {
					if (datesMap.containsKey(date)) {

//TU NIE WIEM JAK OBEJŚĆ TO set(index, object), nie wiem jak skorzystać z tego co mówiłeś datesMap.get(d)

						schedules.get(i).getDays().set(index, new DayDTO(request.getStatus(), date,
									request.getFrom(), request.getTo(), request.getBreaks()));
					}
					else {
						schedules.get(i).getDays().add(new DayDTO(request.getStatus(), date, request.getFrom(),
								request.getTo(), request.getBreaks()));
					}
				}
			}
		}

	}