public function getDistrictsByCity($citySlug, $type = 'all') {
		$options = [
			'contain' => ['Cities'],
			'conditions' => [
				//$this->alias.'.lat <>' => 0,
				//$this->alias.'.lng <>' => 0,
				$this->Cities->getAlias() . '.slug' => $citySlug,
			],
			'fields' => [$this->getAlias() . '.slug', $this->getAlias() . '.name'],
		];
		return $this->find($type, $options);
	}