ScheduleService::update

public function update($scheduleId, ScheduleForm $scheduleForm)
{
	$schedule = $this->scheduleProvider->findByIdWith($scheduleId, [
		'CALENDAR',
		'CALENDAR.EXCLUSIONS',
		'SHIFTS',
		'DEPARTMENT_ASSIGNMENTS',
		'USER_ASSIGNMENTS',
		'SCHEDULE_VIOLATION_RULES',
	]);
	if (!$schedule)
	{
		return (new ScheduleServiceResult())->addScheduleNotFoundError();
	}

	$result = $this->wrapAction(function () use ($schedule, $scheduleForm) {

		# schedule
		$wasAutoClosing = $schedule->isAutoClosing();
		$this->safeRun($this->editSchedule($schedule, $scheduleForm));
		$autoClosingAfterUpdate = $schedule->isAutoClosing();

		# violation rules
		$this->safeRun($this->violationRulesService->update($scheduleForm->violationForm, $schedule));
		// todo $schedule->setScheduleViolationRules($violationRules);

		# shifts
		if ($schedule->isFlextime())
		{
			$this->safeRun($this->removeShifts($schedule));
		}
		else
		{
			$this->safeRun($this->removeShifts($schedule, $scheduleForm));
			$this->safeRun($this->createShifts($schedule, $scheduleForm));
			$this->safeRun($updatedEndIdsResult = $this->updateShifts($schedule, $scheduleForm));
			/** @var ShiftCollection $shiftCollection */
			$shiftCollection = $updatedEndIdsResult->getData()[0];
			if ($wasAutoClosing && $autoClosingAfterUpdate && $shiftCollection->count() > 0)
			{
				$this->worktimeAgentManager->deleteAutoClosingAgents($schedule, $shiftCollection);
				$this->worktimeAgentManager->addAutoClosingAgents($schedule, $shiftCollection);
			}
		}

		# auto close records
		if ($wasAutoClosing && !$autoClosingAfterUpdate)
		{
			$this->worktimeAgentManager->deleteAutoClosingAgents($schedule);
		}
		elseif (!$wasAutoClosing && $autoClosingAfterUpdate)
		{
			$this->worktimeAgentManager->addAutoClosingAgents($schedule);
		}

		# users
		# departments
		$this->safeRun($this->saveAssignments($schedule, $scheduleForm));

		# calendar
		$this->safeRun($this->saveCalendar($scheduleForm, $schedule));

		$this->cleanCache();

		return $this->buildResultWithSchedule($schedule);
	});

	if (!WorktimeServiceResult::isSuccessResult($result))
	{
		return ScheduleServiceResult::createByResult($result);
	}

	$this->wrapAction(function () use ($schedule, $scheduleForm) {
		$this->safeRun($this->excludeSelectedDepartmentsFromOtherSchedules($schedule));
	});
	return $this->buildResultWithSchedule($schedule);
}