/**
* 是否已经反对帖子.
*
* @param $topic_id
* @param $user_id
*
* @return bool
*/
public function userDownVoted($topic_id, $user_id)
{
return Vote::query()->where(['user_id' => $user_id, 'votable_id' => $topic_id, 'votable_type' => 'Topic', 'is' => 'downvote'])->exists();
}
/**
* 是否已经反对帖子.
*
* @param $topic_id
* @param $user_id
*
* @return bool
*/
protected function isDownVoted($topic_id, $user_id)
{
return Vote::where(['user_id' => $user_id, 'votable_id' => $topic_id, 'votable_type' => 'Topic', 'is' => 'downvote'])->exists();
}