protected function filterByConstraints($constraints) : Builder
	{
		$this->builder->where(function($query) use ($constraints) {
			foreach ($constraints as $filter) {
				if (trim($filter) != '') {
					$query->orWhere('tags', 'like', '%' . $filter . '%');
				}
			}

			return $query;
		});

		return $this->builder;
	}