<?php
// +----------------------------------------------------------------------
// | 商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.thinkphp.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: thinkphp <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app\api\model;
use app\api\validate\user\Dynamic;
use app\common\model\UserDynamic as UserDynamicModel;
use think\facade\Cache;

/**
 * 用户动态模型类
 * Class UserDynamic
 * @package app\api\model
 */
class UserDynamic extends UserDynamicModel
{

    protected $globalScope = [''];

    /**
     * 隐藏字段
     * @var array
     */
    protected $hidden = [
        'update_time'
    ];

    /**
     * 获取列表
     * @param array $param
     * @param int $listRows
     * @return mixed
     * @throws \think\db\exception\DbException
     */
    public function getList(array $param = [], int $listRows = 15)
    {
        // 整理查询参数
        $params = array_merge($param, ['status' => 1]);
        // 获取商品列表
        $list = parent::getList($params, $listRows);
        if ($list->isEmpty()) {
            return $list;
        }

        // 隐藏冗余的字段
        $list->hidden(array_merge($this->hidden, ['status']));
        // 整理列表数据并返回
        return $this->setListDataFromApi($list, $param);
    }

    /**
     * 获取列表
     * @param array $param
     * @param int $listRows
     * @return mixed
     * @throws \think\db\exception\DbException
     */
    public function getIndexList(int $userId, array $param = [], int $listRows = 15)
    {
        // 排序
        $sort = "views desc,like_num desc,collect_num desc";
        if($this->getNewCount($userId)){
            $sort = "create_time desc,views desc, id desc";
        }

        // 获取商品列表
        $list = parent::alias($this->name)
            ->leftJoin('user u','u.user_id='.$this->name.'.user_id')
            ->leftJoin('user_info ui','ui.user_id='.$this->name.'.user_id')
            ->where([$this->name.'.status'=> 1])
            ->where(function($query) use($userId){
                // 访问权限
                if($userId>0){
                    // 获取粉丝用户ID，并验证
                    $query->where(function($query) use($userId){
                        // 粉丝只能看公开或好友可看
                        $query->whereIn($this->name.'.user_id', \app\api\model\UserFans::getFansUid($userId))
                            ->whereIn($this->name.'.look_type',[1,2]);
                    })->whereOr(function($query) use ($userId){
                        // 用户自己所有
                        $query->where([$this->name.'.user_id'=> $userId]);
                    })->whereOr(function($query){
                        // 公开对所有
                        $query->where([$this->name.'.look_type'=> 1]);
                    });
                }
            })
            ->where(function($query) use($param){
                if(!empty($param['keyword'])){
                    $query->where(function($query) use($param){
                        $query->where($this->name.'.content','like',"%{$param['keyword']}%")
                        ->whereOr('u.nick_name','like', "%{$param['keyword']}%");
                    });
                }

                if(!empty($param['school_id'])){
                    $query->where('ui.school_id','=', intval($param['school_id']));
                }
            })
            ->field($this->name.'.*,u.user_type,u.avatar_id,u.nick_name,u.user_type,ui.school_id,ui.admission_year')
            ->order($sort)
            ->paginate($listRows);

        if ($list->isEmpty()) {
            return $list;
        }

        // 隐藏冗余的字段
        $list->hidden(array_merge($this->hidden, ['status']));
        // 整理列表数据并返回
        $param['access_user_id'] = $userId;
        return $this->setListDataFromApi($list, $param);
    }

    /**
     * 验证是否最新发布有动态，以便于优先推送
     * @param $userId
     * @return int|mixed
     */
    private function getNewCount($userId)
    {
        if($userId<=0){
            return false;
        }
        $cacheKey = "caches:dynamic:news:{$userId}";
        if($data = Cache::get($cacheKey)){
            return $data;
        }

        $data = $this->where(['user_id'=> $userId,'status'=> 1])
            ->where('create_time','>=', time() - 60)
            ->order('create_time desc, id desc')
            ->count('id');
        if($data){
            Cache::set($cacheKey, ['user_id'=> $userId,'count'=> $data], rand(30, 60));
        }

        return $data;
    }

    /**
     * 设置展示的数据 api模块
     * @param $info
     * @return mixed
     */
    private function setListDataFromApi($info, $params = [])
    {
        return $this->setListData($info, function ($data) use($params){
            // 访问用户粉丝状态
            $userId = isset($params['access_user_id'])? $params['access_user_id'] : 0;
            if($userId>0){
                $data['fans_status'] = UserFans::checkFans($data['user_id'], $userId);
            }

            // 整理数据 api模块
            $this->setDataFromApi($data);
            $this->hidden(['update_time','avatar_id']);
        });
    }

    /**
     * 整理数据 api模块
     * @param $info
     * @return mixed
     */
    private function setDataFromApi($info)
    {
        return $this->setData($info, function ($data) {

            // logo封面
            $data['image'] = $data['image']? getPreview($data['image']) : '';
            $data['file_url'] = $data['file_url']? getPreview($data['file_url']) : '';
            $data['create_time_text'] = $data['create_time']? getTimeText(strtotime($data['create_time'])) : '';

            if(isset($data['avatar_id'])){
                $uploadData = $data['avatar_id']? UploadFile::detail($data['avatar_id']) : [];
                $data['avatar_url'] = isset($uploadData['preview_url'])? $uploadData['preview_url'] : '';
            }

            // 学校名称
            if(isset($data['user_type'])){
                $userType = intval($data['user_type']);
                $admissionYear = isset($data['admission_year'])? $data['admission_year'] : '';
                $position = isset($data['position'])? $data['position'] : '';
                $data['school_name'] = '';
                $data['user_type_text'] = $userType==3? ($position==1? '科任老师' :'招生老师') : ($admissionYear? $admissionYear.'级' :'学生');
                if($userType == 3){
                    $data['school_name'] = $data['school_id']? School::getSchoolField($data['school_id']) : '';
                }else{
                    $data['school_name'] = $data['school_id']? SourceShool::getSchoolField($data['school_id']) : '';
                }
            }

            // 点赞喜欢数
            if(!is_null($data['like_num'])){
                $data['like_num'] = $data['like_num']? ($data['like_num']<10000? "{$data['like_num']}" : round($data['like_num']/10000,1).'w') :'';
            }

            // 收藏数
            if(!is_null($data['collect_num'])){
                $data['collect_num'] = $data['collect_num']? ($data['collect_num']<10000? "{$data['collect_num']}" : round($data['collect_num']/10000,1).'w') :'';
            }

            // 浏览数
            if(!is_null($data['views'])){
                $data['views'] = $data['views']? ($data['views']<10000? "{$data['views']}" : round($data['views']/10000,1).'w') :'';
            }

        });
    }


    /**
     * 获取详情信息
     * @param $where
     * @param array $with
     * @return static|array|false|null
     */
    public static function detail($where, array $with = [])
    {
        $filter = [];
        if (is_array($where)) {
            $filter = array_merge($filter, $where);
        } else {
            $filter['id'] = (int)$where;
        }
        return static::get($filter, $with);
    }

    /**
     * 获取学校动态列表
     * @param int $schoolId
     * @param array $param
     * @param int $listRows
     * @return mixed
     */
    public function getListBySchool(int $schoolId,int $userId = 0, array $param = [], int $listRows = 15)
    {
        // 整理查询参数
        $params = array_merge($param, [$this->name.'.status' => 1, 'ui.school_id'=> $schoolId]);

        // 获取商品列表
        $list = parent::getListBySchool($schoolId, $userId, $params, $listRows);
        if ($list->isEmpty()) {
            return $list;
        }

        // 隐藏冗余的字段
        $list->hidden(array_merge($this->hidden, ['status']));
        // 整理列表数据并返回
        return $this->setListDataFromApi($list);
    }

    /**
     * 发布动态
     * @param $params
     * @return bool
     * @throws \cores\exception\BaseException
     */
    public function publish($params)
    {
        // 表单参数验证
        $validate = new Dynamic();
        if(!$validate->check($params)){
            throwError($validate->getError());
        }

        $userInfo = \app\api\service\User::getCurrentLoginUser(true);
        if($userInfo['status'] != 1){
            $this->error = '用户已冻结';
            return false;
        }
        $data = [
            'user_id'=> $userInfo['user_id'],
            'name'=> isset($params['name'])? $params['name'] : '用户动态',
            'content'=> isset($params['content'])? $params['content'] : '',
            'image'=> isset($params['image'])? $params['image'] : '',
            'type'=> isset($params['type'])? $params['type'] : 1,
            'file_url'=> isset($params['file_url'])? $params['file_url'] : '',
            'look_type'=> isset($params['look_type'])? intval($params['look_type']) : 1,
            'latitude'=> isset($params['latitude'])? $params['latitude'] : 0,
            'longitude'=> isset($params['longitude'])? $params['longitude'] : 0,
            'address'=> isset($params['address'])? $params['address'] : '',
            'create_time'=> time(),
            'update_time'=> time(),
            'status'=> 1,
        ];

        return $this->save($data);
    }

    /**
     * 获取详情信息
     * @param $where
     * @param array $with
     * @return static|array|false|null
     */
    public static function getDetail($id, array $with = [])
    {

        $data = static::alias('a')
            ->leftJoin('user u','u.user_id=a.user_id')
            ->leftJoin('user_info ui','ui.user_id=a.user_id')
            ->where(['a.status'=> 1,'a.id'=> $id])
            ->field('a.*,u.user_type,u.avatar_id,u.nick_name,u.user_type,ui.school_id,ui.admission_year,ui.position')
            ->find();
        if(empty($data)){
            throwError('动态信息不存在或已删除');
        }

        // 权限验证
        $userInfo = \app\api\service\User::getCurrentLoginUser(true);
        if($data['look_type']==3 && $userInfo['user_id'] != $data['user_id']){
            throwError('该作品已被设置为仅作者可看');
        }

        // 好友作品，我是对方粉丝时可看
        if($data['look_type']==2 && UserFans::checkFans($data['user_id'], $userInfo['user_id'])){
            throwError('该作品已被设置为仅好友可看');
        }

        // 粉丝状态
        $data['fans_status'] = UserFans::checkFans($data['user_id'], $userInfo['user_id']);

        // 访问量
        $cacheKey = "caches:dynamic:views:{$userInfo['user_id']}_{$data['id']}";
        if(!Cache::get($cacheKey)){
            self::setIncViews($id);

            // 半年内同用户只记一次
            Cache::set($cacheKey, ['id'=> $id, 'user_id'=> $userInfo['user_id'],'date'=>date('Y-m-d H:i:s')], rand(3*30*24*3600,6*30*24*3600));
        }

        return (new static())->setDataFromApi($data);
    }

    /**
     * 访问量
     * @param $id
     */
    public static function setIncViews($id){
        (new static())->setInc(['id'=> $id], 'views', 1);
    }

    /**
     * 统计综合数量
     * @param $userId
     * @return array
     */
    public static function getCountsByUser($userId)
    {
        return [
            'public'=> (int)static::where(['user_id'=> $userId, 'status'=> 1])->whereIn('look_type',[1,2])->count('id'),
            'private'=> (int)static::where(['user_id'=> $userId, 'status'=> 1,'look_type'=> 3])->count('id'),
            'collect'=> (int)UserDynamicCollect::getCountsByType($userId, 1),
            'liked'=> (int)UserDynamicCollect::getCountsByType($userId, 2),
        ];
    }
}