Block::isDynamicEnabled

static function isDynamicEnabled(string $code, array $params): bool
{
	if (!BitrixMainLoader::includeModule('bitrix24'))
	{
		return true;
	}

	// @todo: make more useful in future
	$scope = SiteType::getCurrentScopeId();
	if (
		$scope == Type::SCOPE_CODE_KNOWLEDGE ||
		$scope == Type::SCOPE_CODE_GROUP
	)
	{
		return true;
	}
	$availableCount = Feature::getVariable(
		'landing_dynamic_blocks'
	);
	if ($availableCount <= 0)
	{
		return true;
	}

	static $dynamicBlocks = null;
	$targetBlockId = isset($params['targetBlockId'])
		? intval($params['targetBlockId'])
		: 0;

	// gets actual dynamic blocks
	if ($dynamicBlocks === null)
	{
		$dynamicBlocks = [];
		// plain sql, reason for this described in task 186683
		$sql = '
				SELECT
					B.ID as ID,
					B.PARENT_ID as PARENT_ID,
					B.DATE_MODIFY as DATE_MODIFY,
					S.ID as SID,
					L.DELETED
				FROM
					' . InternalsFilterBlockTable::getTableName() .  ' FB
				LEFT JOIN
					' . InternalsBlockTable::getTableName() .  ' B
				ON 
					FB.BLOCK_ID = B.ID
				LEFT JOIN
					' . InternalsLandingTable::getTableName() .  ' L
				ON
					B.LID = L.ID
				LEFT JOIN
					' . InternalsSiteTable::getTableName() .  ' S
				ON
					L.SITE_ID = S.ID
				WHERE
					B.DELETED = "N" AND 
					L.DELETED = "N" AND
					S.DELETED = "N" AND
					S.TYPE NOT IN ("KNOWLEDGE", "GROUP")
				GROUP BY FB.BLOCK_ID
				ORDER BY B.DATE_MODIFY ASC;';
		$res = Application::getConnection()->query($sql);
		while ($row = $res->fetch())
		{
			$dynamicBlocks[$row['ID']] = $row;
		}
		// remove public blocks
		foreach ($dynamicBlocks as $dynamicBlock)
		{
			if (
				$dynamicBlock['PARENT_ID'] &&
				isset($dynamicBlocks[$dynamicBlock['PARENT_ID']])
			)
			{
				unset($dynamicBlocks[$dynamicBlock['PARENT_ID']]);
			}
		}
	}

	// allow only first $availableCount dynamic blocks
	$dynamicBlocks = array_slice($dynamicBlocks, 0, $availableCount, true);
	foreach ($dynamicBlocks as $dynamicBlock)
	{
		if (
			$dynamicBlock['ID'] == $targetBlockId ||
			$dynamicBlock['PARENT_ID'] == $targetBlockId
		)
		{
			return true;
		}
	}

	return false;
}