<?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\common\model;

use cores\BaseModel;
use think\model\Collection;
use think\model\relation\HasOne;
use think\Paginator;

/**
 * 用户动态模型类
 * Class UserDynamic
 * @package app\common\model
 */
class UserDynamic extends BaseModel
{
    protected $globalScope = [''];

    // 定义表名
    protected $name = 'user_dynamic';

    // 定义主键
    protected $pk = 'id';

    /**
     * 关联用户
     * @return HasOne
     */
    public function user(): HasOne
    {
        return $this->HasOne('User', 'user_id', 'user_id')
            ->field('user_id,nick_name, avatar_id,user_type')
            ->bind(['nick_name']);
    }

    /**
     * 获取列表
     * @param array $param 查询条件
     * @param int $listRows 分页数量
     * @return mixed
     * @throws \think\db\exception\DbException
     */
    public function getList(array $param = [], int $listRows = 15)
    {
        // 筛选条件
        $query = $this->getQueryFilter($param);
        // 排序条件
        $sort = $this->setQuerySort($param);

        // 执行查询
        $list = $query->alias($this->name)
            ->where(function ($query) use ($param) {
                // 访问权限
                $userId = isset($param['access_user_id']) ? $param['access_user_id'] : 0;
                if ($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]);
                    });
                }
            })
            ->order($sort)
            ->paginate($listRows);

        // 整理列表数据并返回
        return $list;
    }

    /**
     * 获取学校下的列表
     * @param int $schoolId
     * @param int 当前用户ID，用户过滤好友可看动态，需param传lookUids字段过滤
     * @param array $param
     * @param int $listRows
     * @return mixed
     */
    public function getListBySchool(int $schoolId, int $userId = 0, array $param = [], int $listRows = 15)
    {
        // 筛选条件
        $query = $this->getQueryFilter($param);
        // 排序条件
        $sort = $this->setQuerySort($param);

        // 执行查询
        $list = $query->alias($this->name)
            ->leftJoin('user_info ui', 'ui.user_id=' . $this->name . '.user_id')
            ->leftJoin('user u', 'u.user_id=' . $this->name . '.user_id')
            ->where(function ($query) use ($userId, $param) {
                if ($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]);
                    });
                }
            })
            ->field($this->name . '.*,u.nick_name,u.avatar_id, ui.school_id')
            ->order($sort)
            ->paginate($listRows);

        // echo $query->getLastSql();

        // 整理列表数据并返回
        return $list;
    }

    /**
     * 设置商品展示的数据
     * @param Collection|Paginator $list 商品列表
     * @param callable|null $callback 回调函数
     * @return mixed
     */
    protected function setListData($list, callable $callback = null)
    {
        if ($list->isEmpty()) return $list;
        // 遍历商品列表整理数据
        foreach ($list as &$item) {
            $data = $this->setData($item, $callback);
        }
        return $list;
    }

    /**
     * 整理数据
     * @param Collection|static $info
     * @param callable|null $callback
     * @return mixed
     */
    protected function setData($info, callable $callback = null)
    {
        // 回调函数
        is_callable($callback) && call_user_func($callback, $info);
        return $info->hidden(array_merge($this->hidden, ['status']));
    }

    /**
     * 检索查询条件
     * @param array $params
     * @return \think\db\BaseQuery
     */
    private function getQueryFilter(array $params)
    {
        $filter = [];

        // 实例化新查询对象
        $query = $this->getNewQuery();

        // 学校
        !empty($params['ui.school_id']) && $filter[] = ['ui.school_id', '=', "{$params['ui.school_id']}"];

        // 状态
        !empty($params[$this->name . '.status']) && $filter[] = [$this->name . '.status', '=', "{$params[$this->name.'.status']}"];

        // 浏览类型
        !empty($params['look_type']) && $filter[] = ['look_type', '=', "{$params['look_type']}"];

        // 实例化新查询对象
        return $query->where($filter)->where(function ($query) use ($params) {
            // 关键词
            if (!empty($params['keyword'])) {
                $query->where('content', 'like', "%{$params['keyword']}%");
            }

            if (!empty($params['tag'])) {
                $query->where('content', 'like', "%#{$params['tag']}%");
            }

            // 主页分类动态
            $type = isset($params['type'])? $params['type'] : 0;
            $userId = isset($params['user_id'])? $params['user_id'] : 0;
            if($type == 1){
                // 我发布的
                $query->where($this->name . '.user_id','=', $userId);
                $query->whereIn('look_type',[1,2]);
            }else if($type == 2){
                // 我私密的
                $query->where($this->name . '.user_id','=', $userId);
                $query->where('look_type','=',3);
            }else if($type == 3 && $userId>0){
                // 我关注收藏的
                $query->whereIn('id', \app\api\model\UserDynamicCollect::getCollectDynamicIds($userId, 1));
            }else if($type == 4 && $userId){
                // 我点赞喜欢的
                $query->whereIn('id', \app\api\model\UserDynamicCollect::getCollectDynamicIds($userId, 2));
            }else if($userId>0){
                // 发布用户
                $query->where($this->name . '.user_id','=', $userId);
            }
        });
    }


    /**
     * 检索排序条件
     * @param array $param
     * @return array|string[]
     */
    private function setQuerySort(array $param = [])
    {
        $params = $this->setQueryDefaultValue($param, [
            'sortType' => 'all',    // 排序类型
            $this->name . '.create_time' => false,   // 热门排序 (true高到低 false低到高)
        ]);
        // 排序规则
        $sort = [];
        if ($params['sortType'] === 'all') {
            $sort = [$this->name . '.create_time' => 'desc'];
        } elseif ($params['sortType'] === 'view') {
            $sort = [$this->name . '.views' => 'desc'];
        }

        return array_merge($sort, [$this->getPk() => 'desc']);
    }

    /**
     * 封面览图
     * @param $value
     * @return string|string[]|null
     */
    public function getImageAttr($value): string
    {
        return $value ? getPreview($value) : '';
    }

    /**
     * 资源文件
     * @param $value
     * @return string|string[]|null
     */
    public function getFileUrlAttr($value): string
    {
        return $value ? getPreview($value) : '';
    }

    /**
     * 详情
     * @param $where
     * @param array $with
     * @return array|null|static
     */
    public static function detail($where, array $with = [])
    {
        $filter = [];
        if (is_array($where)) {
            $filter = array_merge($filter, $where);
        } else {
            $filter['id'] = (int)$where;
        }
       return static::get($filter, $with);
    }

    /**
     * 今日新增数量
     * @return int
     */
    public static function getTodayCounts()
    {
        return self::where(['status'=> 1])
            ->where('create_time','>=', strtotime(date('Y-m-d')))
            ->count('id');
    }
}