<?php

declare(strict_types=1);

namespace app\index\controller;

use app\model\Post as ModelPost;
use think\facade\Cache;
use think\facade\View;
use think\model\Relation;
use think\Request;

class Post extends Common
{

    /**
     * 显示指定的资源
     *
     * @param  int  $id
     * @return \think\Response
     */
    public function read($uid)
    {
        //

        $cache_key = 'post_' . $uid;

        $model_post = Cache::get($cache_key);

        if (empty($model_post)) {

            $model_post = ModelPost::with([
                'comments' => function (Relation $query) {
                    $query->order('id asc');
                }
            ])->where('uid', $uid)->find();

            if (empty($model_post)) {
                return $this->error('链接已失效', '/');
            }

            Cache::set($cache_key, $model_post,600);
        }


        $model_post->hits = $model_post->hits + 1;

        $model_post->save();

        View::assign('post', $model_post);

        return View::fetch();
    }

}