[英]Order by and Paginate in polymorphic relation
我有三个表格: posts
, comments
和scores
comments
表:
id | body | user_id | commentable_type | commentable_id | created_at
scores
表:
id | score | user_id | scoreable_type | scoreable_id | created_at
我想获取特定帖子的评论,但这些评论应按其得分排序(投票)!
到目前为止,我已经有了此代码,但注释未按分数排序!
$limit = 2;
$post = Post::with(['comments' => function ($query) use ($limit) {
$query->paginate($limit);
}])->find(3);
return $post;
编辑:在我的Comment
模型类中,我有:
public function scores() {
return $this->morphMany(Score::class, 'scoreable');
}
我可以获取所有评论,然后将其分类收集,但这浪费了资源...
谢谢!
尝试通过以下方式在回调内部添加orderBy
进行查询:
$limit = 2;
$post = Post::with([
'comments.score' => function ($query){
$query->orderBy('score', 'DESC');
},
'comments' => function ($query) use ($limit) {
$query->take($limit);
}
])->find(3);
return $post;
$limit = 2;
$post = Post::with(['comments.scores' => function ($query) use ($limit) {
$query->orderBy('score', 'DESC');->paginate($limit);
}])->find(3);
return $post;
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