community-service/app/Transformers/Circle/DetailTransformer.php

<?php

/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/6/6
 * Time: 14:08
 */

namespace App\Transformers\Circle;

use App\Models\InterestCircle;
use App\Models\InterestCircleUser;
use Illuminate\Support\Facades\Redis;
use League\Fractal\TransformerAbstract;

class DetailTransformer extends TransformerAbstract
{

    public function __construct($uid)
    {
        $this->uid = $uid;
    }

    public function transform(InterestCircle $interestCircle)
    {
        $answer = $interestCircle['limit_condition'] - intval(Redis::get('circle_error_count_' . $this->uid));
        $row = [
            'id' => $interestCircle['id'],
            'name' => $interestCircle['name'],
            'notice' => $interestCircle['notice'],
            'image' => $interestCircle['image'],
            'join_limit' => $interestCircle['join_limit'],
            'is_join' => $this->isJoin($this->uid, $interestCircle['id']),
            'answer_count' => $answer > 0 ? $answer : 0,
            'is_black' => $this->isBlack($this->uid, $interestCircle['id'])
        ];
        $funs = $this->getFunction($interestCircle);
        return array_merge($row, $funs);
    }

    //判读当前用户是否圈子黑名单
    public function isBlack($uid, $circleId)
    {
        $info = InterestCircleUser::where([['circle_id', $circleId], ['uid', $uid], ['is_black', 1]])->first();
        return $info ? 1 : 0;
    }

    //判读当前用户是否加入圈子
    public function isJoin($uid, $circleId)
    {
        $info = InterestCircleUser::where([['circle_id', $circleId], ['uid', $uid]])->first();
        return $info ? 1 : 0;
    }

    /**
     * 查询圈子开放功能
     * @param InterestCircle $interestCircle
     * @return array
     */
    private function getFunction(InterestCircle $interestCircle)
    {
        $functions = json_decode($interestCircle['contains_function'], true);
        $info['members'] = ['is_open' => 1, 'extra' => (string)$interestCircle['join_count']];
        $info['pictures'] = ['is_open' => 0, 'extra' => '0'];
        $info['chatroom'] = ['is_open' => 0, 'extra' => '0'];
        if (empty($functions)) {
            return $info;
        }
        foreach ($functions as &$func) {
            if ('pictures' == $func['function']) {
                if (1 == $func['is_open']) {
                    $info['pictures'] = ['is_open' => 1, 'extra' => (string)$interestCircle['picture_count']];
                }
            }
            if ('chatroom' == $func['function']) {
                if (1 == $func['is_open']) {
                    $info['chatroom'] = ['is_open' => 1, 'extra' => (string)$interestCircle['relate_id']];
                }
            }
        }
        return $info;
    }
}