community-service/app/Transformers/Post/VideoTransformer.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/6/18
 * Time: 10:08
 */
namespace  App\Transformers\Post;

use App\Models\Post;
use App\Models\PostCollect;
use App\Models\PostLike;
use App\Traits\UserTrait;
use League\Fractal\TransformerAbstract;

class VideoTransformer extends TransformerAbstract
{
    use UserTrait;
    public function __construct($uid)
    {
        $this->uid = $uid;
    }
    public function transform(Post $post)
    {
        $isFollow = 0;
        $followStatus = $this->getFollowStatus($this->uid, $post['uid']);
        if($followStatus){
            $isFollow = $followStatus;
        }
        $topic = [];
        foreach($post->topic() as $key => $val){
            $topic[] = [
                'id' => $key,
                'name' => $val
            ];
        }
        return [
            'id' => $post['id'],
            'type' => $post['type'],
            'uid' => $post['uid'],
            'username' => $post['username'],
            'avatar' => $post['avatar'],
            'title' => $post['title'],
            'content' => $post['content'],
            'img' => $post['img'],
            'video' => $post['video'],
            'topic' => $topic,
            'praise_count' => $post->data->praise_count,
            'collect_count' => $post->data->collect_count,
            'comment_count' => $post->data->comment_count,
            'is_like' => PostLike::where('post_id', $post['id'])->where('uid', $this->uid)->exists()?1:0,
            'is_collect' => PostCollect::where('post_id', $post['id'])->where('uid', $this->uid)->exists()?1:0,
            'is_follow' => $isFollow,
        ];
    }
}