bsh_sample/app/common/service/PostCommentService.php

<?php

namespace app\common\service;

use app\common\model\MessageNotice;
use app\common\model\Post;
use app\common\model\User;
use app\common\validate\PostCommentValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\PostComment;
use support\Redis;
use support\Request;

class PostCommentService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = PostComment::class;

    /**
     * 验证器
     */
    protected $validator = PostCommentValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }

    /**
     * 构造 CrudUtil 查询配置
     */
    protected function buildQueryConfig(Request $request, string $scene = 'default'): array
    {
        $p = $request->all();

        $config = [];
        $config['model'] = $this->modelClass;
        switch ($scene) {
            case 'default':
                $config['where']['status'] = 1;
                $config['order']['id'] = 'desc';
                break;
            case 'index':
                $config['where']['status'] = 1;
                $config['order']['id'] = 'desc';

                // 帖子
                if (isset($p['post_id']) && !empty($p['post_id'])) {
                    $config['where']['post_id'] = $p['post_id'];
                }
                // 用户
                if (isset($p['user_id']) && !empty($p['user_id'])) {
                    $config['where']['user_id'] = $p['user_id'];
                }
                if (isset($p['scene']) && $p['scene']=='self') {
                    if(!empty($request->user) && !empty($request->user->uid)){
                        $config['where']['user_id'] = $request->user->uid;
                    }
                }
                // 只查询根评论
                if (isset($p['parent_id']) && $p['parent_id'] == 0) {
                    $config['where']['parent_id'] = 0;
                }
                // 根评论ID
                if (isset($p['parent_id']) && !empty($p['parent_id'])) {
                    $config['where']['root_id'] = $p['parent_id'];
                }
                // 根评论ID
                if (isset($p['received_id']) && !empty($p['received_id'])) {
                    $config['where']['id'] = ['not in', $p['received_id']];
                }
                // 根评论ID
                if (isset($p['status']) && !empty($p['status'])) {
                    $config['where']['status'] = $p['status'];
                }
                break;
            case 'show':
                $config['where']['id'] = $p['id'];
                $config['where']['status'] = 1;
                break;
            case 'store':
                break;
            case 'update':
                $config['where']['id'] = $p['id'];
                break;
            case 'destroy':
                $config['where']['id'] = $p['id'];
                break;
        }

        return $config;
    }



    /**
     * 添加前置处理
     */
    public function beforeServiceStore($data, Request $request)
    {
        $data['user_id'] = $request->user->uid;;
        $data['root_id'] = 0;
        if(!empty($data['parent_id'])){
            $data['root_id'] = PostComment::where('id', $data['parent_id'])->value('root_id');
            if($data['root_id'] == 0){
                $data['root_id'] = $data['parent_id'];
            }
        }

        //安全检查
        $wechat = new WechatService();
        $tokenData =  $wechat->getMiniAccessToken();
        $access_token = $tokenData['access_token'];

        $user = User::where('id', $request->user->uid)->first();

        if(empty($user)){
            throw new \Exception('用户不存在');
        }

        $tokenData =  $wechat->checkText($data['content'], $user['openid'], $access_token, 2);
//        $tokenData =  $wechat->checkText($data['content'], 'o8W4t5cRtq2LuOJUxvBGWQA6HJKQ', $access_token, 2);

        return $data;
    }

    /**
     * 添加后置处理
     */
    public function afterServiceStore($res)
    {
        $data = [];
        $data['post_id'] = $res['post_id'];
        $data['receiver_user_id'] = Post::where(['id' => $data['post_id']])->value('user_id');
        $data['sender_user_id'] = $res['user_id'];
        $data['comment_id'] = $res['id'];
        $data['type'] = 3;
        MessageNotice::create($data);
        $post = Post::where(['id' => $data['post_id']])->first();
        $post['comment'] = $post['comment']+1;
        $post->save();
    }



    /**
     * 添加后置处理
     */
    public function serviceDelete(Request $request,$scene = 'admin')
    {
        $param = $request->all();

        if (empty($param['id'])) {
            throw new \Exception("参数错误");
        }

        $where = [];
        $where['id'] = $param['id'];
        $comment = PostComment::where($where)->first();

        $post = Post::where(['id' => $comment['post_id']])->first();

        if($scene == 'mini' && ($comment['user_id'] != $request->user->uid || $post['user_id'] == $request->user->uid)){
            throw new \Exception("只能删除本人评论");
        }
        $post['comment'] = $post['comment']-1;
        $post->save();

        $count = $comment->delete();

        return $count;
    }


    /**
     * 删除前置处理
     */
    public function beforeServiceDestroy($data, Request $request)
    {
        $param = $request->all();

        if (empty($param['id'])) {
            throw new \Exception("参数错误");
        }

        $where = [];
        $where['id'] = $param['id'];
        $comment = PostComment::where($where)->first();

        $post = Post::where(['id' => $comment['post_id']])->first();
        $post['comment'] = $post['comment']-1;
        $post->save();

        return $data;
    }

    /** 删除 */
    public function serviceDestroy(Request $request, string $scene = 'destroy')
    {
        $data = $request->all();
        $this->preProcess(ucfirst($scene), $data, $request);
        $config = $this->buildQueryConfig($request, $scene);
        $deleted = $this->logicDeleteBy($config);
        return $this->postProcess(ucfirst($scene), $deleted);
    }
}