SyncAdapter::getSectionList

static function getSectionList($entityType, $entityId, $params = [])
{
	$sectionId = $params['sectionId'];
	$sectionList = [];

	if ($sectionId && self::$sectionIndex[$sectionId])
	{
		$sectionList[] = self::$sectionIndex[$sectionId];
	}
	else
	{
		if ($sectionId !== CCalendar::TASK_SECTION_ID)
		{
			$filter = [
				'CAL_TYPE' => $entityType,
				'OWNER_ID' => $entityId
			];

			if (!is_array($params))
			{
				$params = [];
			}

			if ($sectionId > 0)
			{
				$filter['ID'] = $sectionId;
			}

			CCalendar::SetSilentErrorMode(true);
			if (isset($params['active']))
			{
				$filter['ACTIVE'] = $params['active'] ? 'Y' : 'N';
			}

			$res = CCalendarSect::GetList(['arFilter' => $filter]);
			CCalendar::SetSilentErrorMode(false);

			foreach($res as $calendar)
			{
				if ($params['skipExchange'] == true && $calendar['DAV_EXCH_CAL'] <> '')
				{
					continue;
				}

				$section = [
					'ID' => $calendar['ID'],
					'~NAME' => $calendar['NAME'],
					'NAME' => htmlspecialcharsbx($calendar['NAME']),
					'COLOR' => htmlspecialcharsbx($calendar['COLOR'])
				];
				$sectionList[] = $section;
				self::$sectionIndex[$section['ID']] = $section;
			}

			// Temporary hide it, while waiting for new interface.
			if (!$sectionId && false)
			{
				$followedSectionIdList = UserSettings::getFollowedSectionIdList($entityId);
				if (count($followedSectionIdList) > 0)
				{
					$followedSectionList = CCalendarSect::GetList(['arFilter' => [
						'CAL_TYPE' => $entityType,
						'OWNER_ID' => $entityId,
						'ACTIVE' => 'Y',
						'ADDITIONAL_IDS' => $followedSectionIdList
					]]);

					foreach($followedSectionList as $calendar)
					{
						$section = [
							'ID' => $calendar['ID'],
							'~NAME' => $calendar['NAME'],
							'NAME' => htmlspecialcharsbx($calendar['NAME']),
							'COLOR' => htmlspecialcharsbx($calendar['COLOR'])
						];
						$sectionList[] = $section;
						self::$sectionIndex[$section['ID']] = $section;
					}
				}
			}
		}

		if (CCalendarSync::isTaskListSyncEnabled() && $entityType == 'user' && ($sectionId === CCalendar::TASK_SECTION_ID || !$sectionId))
		{
			$sectionsUserData = UserSettings::getSectionCustomization($entityId);
			$taskSectionTitle = (isset($sectionsUserData['tasks']) && !empty($sectionsUserData['tasks']['name']))
				? $sectionsUserData['tasks']['name']
				: BitrixMainLocalizationLoc::getMessage('EC_MY_TASKS');

			$section = [
				'ID' => CCalendar::TASK_SECTION_ID,
				'~NAME' => $taskSectionTitle,
				'NAME' => htmlspecialcharsbx($taskSectionTitle),
				'COLOR' => (isset($sectionsUserData['tasks']) && !empty($sectionsUserData['tasks']['color'])) ?
					htmlspecialcharsbx($sectionsUserData['tasks']['color']) : CCalendar::DEFAULT_TASK_COLOR
			];
			$sectionList[] = $section;
			self::$sectionIndex[$section['ID']] = $section;
		}
	}

	return $sectionList;
}