<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/6/10
 * Time: 17:21
 */

namespace App\Transformers\Post;
use App\Models\PostLog;
use Illuminate\Support\Carbon;
use League\Fractal\TransformerAbstract;

class LogTransformer extends TransformerAbstract
{
    public function transform(PostLog $postLog)
    {
        $type = [
            'add_pv' => '增加浏览量：',
            'add_praise_count' => '增加点赞数：',
            'add_collect_count' => '增加收藏数：',
            'add_share_count' => '增加分享数：',
            'delete' => '删除内容：',
            'update_topic' => '编辑内容话题：',
        ];
        $data = json_decode($postLog['content']);
        $content = '';
        foreach($data as $key => $val){
            if(!$val) continue;
            $content .= $type[$key] . $val .'、';
        }
        $content = rtrim($content, '、');
        return [
            'id' => $postLog['id'],
            'username' => $postLog['username'],
            'log_type' => $postLog['log_type'],
            'created_at' => Carbon::parse($postLog['created_at'])->toDateTimeString(),
            'content' => $content,
        ];
    }
}