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

<?php

/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/6/15
 * Time: 11:07
 */
namespace  App\Transformers\Post;

use App\Models\Post;
use App\Models\PostCollect;
use App\Models\PostComment;
use App\Models\PostDislike;
use App\Models\PostLike;
use App\Traits\PostTrait;
use App\Traits\UserTrait;
use Carbon\Carbon;
use Illuminate\Support\Facades\Redis;
use League\Fractal\TransformerAbstract;

class SuggestTransformer extends TransformerAbstract
{
    use UserTrait;
    use PostTrait;
    public function __construct($uid, $invite_code)
    {
        $this->uid = $uid;
        $this->invite_code = $invite_code;
    }
    public function transform(Post $post)
    {
        $comment = [];
        $commentKey = 'post_new_comment_'.$post['id'];
        $commentData = Redis::GET($commentKey);
        if($commentData){
            $comment = json_decode($commentData);
        }else{
            $comments = PostComment::where('post_id', $post['id'])->where('parent_id', 0)->orderBy('is_delete', 'asc')->orderBy('id', 'desc')->limit(2)->get();
            foreach($comments as $item){
                $userComment = $this->userInfo($item->uid);
                $comment[] = [
                    'id' => $item->id,
                    'username' => $userComment['username'],
                    'content' => $item->is_delete?'该评论已被删除':$item->content,
                ];
            }
            Redis::SET($commentKey, json_encode($comment));
        }

        $isLike = 0;
        $isDislike = 0;
        $isCollect = 0;
        if($this->uid){
            $isLike = Redis::SISMEMBER('post_like_'.$post['id'], $this->uid);
            $isDislike = Redis::SISMEMBER('post_unlike_'.$post['id'], $this->uid);
            $isCollect = Redis::SISMEMBER('post_collect_'.$post['id'], $this->uid);
        }
        $user = $this->userInfo($post['uid']);
        $postInfo = $this->getPostInfo($post['id']);
        return [
            'show_type' => 'post',
            'id' => $post['id'],
            'type' => $post['type'],
            'created_at' => Carbon::parse($post['created_at'])->diffForHumans(),
            'uid' => $post['uid'],
            'username' => $user['username'],
            'avatar' => $user['avatar'],
            'topic' => $this->getTopic($post['topic_ids']),
            'title' => $post['title'],
            'content' => $post['content'],
            'location' => $post['location'],
            'img' => $post['img'],
            'imgs' => $postInfo['imgs'],
            'video' => $post['video'],
            'pv' => getNumber($postInfo['pv']),
            'praise_count' => $postInfo['praise_count'],
            'comment_count' => $postInfo['comment_count'],
            'collect_count' => $postInfo['collect_count'],
            'will_collect_bean' => $postInfo['will_collect_bean'],
            'is_like' => $isLike,
            'is_dislike' => $isDislike,
            'is_collect' => $isCollect,
            'comment' => $comment,
            'is_follow' => $this->getFollowStatus($this->uid, $post['uid']),
            'h5url' => config('customer.share_post_h5url')."?post_id={$post['id']}&invite_code={$this->invite_code}",
            'desc_url' => $post['type'] == 'html'?config('customer.app_service_url').'/community/fragment/detail/'.$post['id']:'',
        ];
    }
}