<?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\facade\Cache;
use think\model\Collection;
use think\model\relation\HasMany;
use think\model\relation\HasOne;
use think\Paginator;

/**
 * 学校模型类
 * Class School
 * @package app\common\model
 */
class School extends BaseModel
{
    protected $globalScope = [''];

    // 定义表名
    protected $name = 'schools';

    // 定义主键
    protected $pk = 'id';

    protected $levelTypes = [1=>'中职',2=>'高职'];

    /**
     * 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);

        // 范围查询
        $field = '*';
        $lng = isset($param['longitude'])? $param['longitude'] : 0;
        $lat = isset($param['latitude'])? $param['latitude'] : 0;
        if($lng && $lat){
            $field .= ",ROUND(
            6378.138 * 2 * ASIN(
                SQRT(
                    POW(
                        SIN(
                            (
                                {$lat} * PI() / 180 - ".$this->name.".`latitude` * PI() / 180
                            ) / 2
                        ),
                        2
                    ) + COS({$lat} * PI() / 180) * COS(".$this->name.".`latitude` * PI() / 180) * POW(
                        SIN(
                            (
                                {$lng} * PI() / 180 - ".$this->name.".`longitude` * PI() / 180
                            ) / 2
                        ),
                        2
                    )
                )
                ) * 1000
            ) AS distance";
            $sort = ' distance desc, hot_order desc';
        }

        // 执行查询
        $list = $query->alias($this->name)
            ->order($sort)
            ->field($field)
            ->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, ['albums']));
    }

    /**
     * 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();

        // 学校层次，类型
        !empty($params['education_levels']) && $filter[] = ['education_levels', '=', "{$params['education_levels']}"];

        // 状态
        $status = isset($params['audit_status'])? intval($params['audit_status']) : -1;
        if($status>=0){
            $filter[] = ['audit_status', '=', $status];
        }

        // 实例化新查询对象
        return $query->where($filter)->where(function($query) use ($params){
            // 关键词
            if(!empty($params['keyword'])){
                $query->where('school_name','like', "%{$params['keyword']}%");
//                $query->where('school_name','like', "%{$params['keyword']}%")->whereOr('address','like',"%{$params['keyword']}%");
            }

            // 匹配同专业学校
            $specialityName = isset($params['speciality_name'])? $params['speciality_name'] : '';
            if($specialityName){
                $query->whereIn('id', SchoolSpeciality::getSchools($specialityName));
            }

            // 过滤学校
            $schoolId = isset($params['school_id'])? $params['school_id'] : 0;
            if($schoolId){
                $query->whereNotIn('id', [$schoolId]);
            }
        });
    }


    /**
     * 检索排序条件
     * @param array $param
     * @return array|string[]
     */
    private function setQuerySort(array $param = [])
    {
        $params = $this->setQueryDefaultValue($param, [
            'sortType' => 'hot',    // 排序类型
            'hot_order' => false,   // 热门排序 (true高到低 false低到高)
        ]);

        // 排序规则
        $sort = [];
        if ($params['sortType'] === 'all') {
            $sort = ['id' => 'desc'];
        } if ($params['sortType'] === 'hot') {
            $sort = ['hot_order' => 'desc'];
        } elseif ($params['sortType'] === 'view') {
            $sort = ['views' => 'desc'];
        }
        return array_merge($sort, [$this->getPk() => 'desc']);
    }

    /**
     * 关联图库
     * @return HasMany
     */
    public function albums(): HasMany
    {
        return $this->hasMany('SchoolAlbum','school_id','id');
    }


    /**
     * 关联地区
     * @return HasOne
     */
    public function city(): HasOne
    {
        return $this->HasOne('region','id','city_id')->bind(['name as city_name']);
    }

    /**
     * 关联地区
     * @return HasOne
     */
    public function region(): HasOne
    {
        return $this->HasOne('region','id','region_id')->bind(['name as region_name']);
    }

    /**
     * @param $userId
     * @return mixed
     */
    public function userSchool($userId, $field=''){
        $data = \think\facade\Cache::get("caches:user:schoolData:{$userId}");
        if($data){
            return $data;
        }

        $data = self::alias($this->name)
            ->leftJoin('user_info ui','ui.school_id='.$this->name.'.id')
            ->where(['ui.user_id'=> $userId])
            ->find();
        if($data){
            Cache::set("caches:user:schoolData:{$userId}", $data, rand(5, 10));
        }

        return $data;
    }

    /**
     * 访问量
     * @param $id
     */
    public static function setIncViews($id){
        (new static())->setInc(['id'=> $id], 'views', 1);
    }

    /**
     * 获取详情
     * @param int $id
     * @param array $with
     * @return static
     */
    public static function detail(int $id, array $with = [])
    {
        return static::get($id, $with);
    }

}