information-platform/app/Repositories/Eloquent/PostRepositoryEloquent.php

<?php

/*
 * This file is part of the Jiannei/lumen-api-starter.
 *
 * (c) Jiannei <longjian.huang@foxmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace App\Repositories\Eloquent;

use App\Contracts\Repositories\PostRepository;
use App\Repositories\Criteria\RequestCriteria;
use App\Repositories\Enums\PermissionEnum;
use App\Repositories\Models\Post;
use App\Repositories\Presenters\PostPresenter;
use Illuminate\Support\Arr;
use Spatie\Permission\Exceptions\UnauthorizedException;

/**
 * Class PostRepositoryEloquent.
 */
class PostRepositoryEloquent extends BaseRepository implements PostRepository
{
    public function model()
    {
        return Post::class;
    }

    public function presenter()
    {
        return PostPresenter::class;
    }

    public function boot()
    {
        $this->pushCriteria(app(RequestCriteria::class));
    }

    public function checkPermission()
    {
        $authUser = auth('api')->user();

        // 登录用户是否有 Posts 数据表操作权限
        $permission = PermissionEnum::DATA_POSTS()->name;
        if (! $authUser->can($permission)) {
            throw UnauthorizedException::forPermissions(Arr::wrap($permission));
        }
    }

    public function searchPage()
    {
        // 使用预加载，避免 N+1
        $posts = $this->model->with('author')->published()->paginate(10);

        return $this->parserResult($posts);
    }
}