<?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\common\exception\BaseException;
use app\common\library\helper;
use app\common\model\Region;
use app\common\model\SchoolSpeciality as SchoolSpecialityModel;
use think\facade\Cache;

/**
 * 学校专业模型类
 * Class SchoolSpeciality
 * @package app\api\model
 */
class SchoolSpeciality extends SchoolSpecialityModel
{

    /**
     * 隐藏字段
     * @var array
     */
    protected $hidden = [
        'update_time'
    ];

    /**
     * 获取列表
     * @param array $param 查询条件
     * @param int $listRows 分页数量
     * @return mixed|\think\model\Collection|\think\Paginator
     * @throws \think\db\exception\DbException
     */
    public function getList(array $param = [], int $listRows = 12)
    {
        // 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;
        }

        // 整理列表数据并返回
        return $this->setListDataFromApi($list);
    }

    /**
     * 设置展示的数据 api模块
     * @param $info
     * @return mixed
     */
    private function setListDataFromApi($info)
    {
        return $this->setListData($info, function ($data){

            // 整理数据 api模块
            $this->setDataFromApi($data);

            // 隐藏冗余的字段
            $this->hidden(array_merge($this->hidden, ['introduce','curriculum','job_direction','get_certificate','status']));

        });
    }

    /**
     * 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['speciality_logo'] = $data['speciality_logo']? getPreview($data['speciality_logo']) : '';

            // 已报名人数
            if(!is_null($data['recruit_num'])){
                $bookNum = SpecialityBook::getBooks($data['speciality_id']);
                $data['book_num'] = intval($bookNum);
                $data['remainder_num'] = max(0,$data['recruit_num'] - $bookNum);
            }

            // 浏览数
            if(!is_null($data['views'])){
                $data['views'] = $data['views']? ($data['views']<10000? "{$data['views']}" : round($data['views']/10000,1).'w') :'';
            }

            if(isset($data['school']['logo'])){
                $data['school']['logo'] = $data['school']['logo']? getPreview($data['school']['logo']) : '';
            }
        });
    }

    /**
     * 获取选项列表
     * @param array $param 查询条件
     * @param int $listRows 分页数量
     * @return mixed|\think\model\Collection|\think\Paginator
     * @throws \think\db\exception\DbException
     */
    public function getOptionList(array $param = [], string $field='')
    {
        return $this->where(['status'=> 1])
            ->where(function ($query) use ($param){
                $keyword = isset($param['keyword'])? trim($param['keyword']) : '';
                if($keyword){
                    $query->where('speciality_name','like',"%{$keyword}%");
                }

                $schoolId = isset($param['school_id'])? intval($param['school_id']) : 0;
                if($schoolId>0){
                    $query->where('school_id','=',$schoolId);
                }
            })
            ->field($field?:'speciality_id,speciality_name')
            ->order('views desc,speciality_id desc')
            ->select();
    }

    /**
     * 获取学校的专业
     * @param int $school_id  学校ID
     * @param string $field 返回字段
     * @param int $limit 返回数量
     * @return SchoolSpeciality[]|array|\think\Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getHots(int $school_id, $field='', $limit=3)
    {
        $cacheKey = "caches:speciality:hots:{$school_id}_{$limit}_".md5($school_id.$field);
        $datas = Cache::get($cacheKey);
        if($datas){
            return $datas;
        }

        $where = ['status'=>1];
        if($school_id){
            $where['school_id'] = $school_id;
        }

        $datas = $this->where($where)
            ->field($field?:'speciality_id,speciality_name,school_id,recruit_num')
            ->order('views desc,speciality_id desc')
            ->limit($limit?? 3)
            ->select()??[];
        if($datas){
            Cache::set($cacheKey, $datas, rand(5, 10));
        }

        return $datas;
    }

    /**
     * 获取学校的专业
     * @param string $name 专业名称
     * @param string $field 返回字段
     * @return SchoolSpeciality[]|array|\think\Collection
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getDataByName(string $name, $field='')
    {
        $data = $this->where(['status'=>1])
                ->where('speciality_name','like', "%{$name}%")
                ->field($field?:'speciality_id,speciality_name,school_id,recruit_num')
                ->order('views desc,speciality_id desc')
                ->find();
        if($data['speciality_id']){
            $bookNum = SpecialityBook::getBooks($data['speciality_id']);
            $data['book_num'] = intval($bookNum);
            $data['remainder_num'] = max(0,$data['recruit_num'] - $bookNum);
        }
        return $data;
    }

    /**
     * 获取详情并累计访问次数
     * @param int $articleId 文章ID
     * @return static|null
     * @throws BaseException
     */
    public static function getDetail(int $id)
    {
        // 获取文章详情
        $detail = parent::detail($id, ['school']);
        if (empty($detail) || $detail['status'] != 1) {
            throwError('很抱歉，当前数据不存在');
        }

        $datas = $detail['speciality_logo']? [['image'=>getPreview($detail['speciality_logo'])]] : [];
        $albums = isset($detail['albums'])? $detail['albums'] : [];
        $detail['albums'] = array_merge($datas, $albums);

        // 累积阅读数
        static::setIncViews($id);
        return (new SchoolSpeciality)->setDataFromApi($detail);
    }


    /**
     * 访问量
     * @param $id
     */
    public static function setIncViews($id){
        (new SchoolSpecialityModel)->setInc(['speciality_id'=> $id], 'views', 1);
    }
}