<?php

namespace app\api\model\plus\regactivity;

use app\common\exception\BaseException;
use app\common\model\plus\regactivity\Activity as ActivityModel;
use app\common\model\plus\regactivity\User as UserModel;

/**
 * 活动模型
 */
class Activity extends ActivityModel
{
    /**
     * 隐藏字段
     * @var array
     */
    protected $hidden = [
        'is_delete',
        'app_id',
        'update_time'
    ];

    /**
     * 活动详情：HTML实体转换回普通字符
     */
    public function getActivityContentAttr($value)
    {
        return htmlspecialchars_decode($value);
    }

    /**
     * 详情
     */
    public static function detail($activity_id)
    {
        if (!$model = parent::detail($activity_id)) {
            throw new BaseException(['msg' => '活动不存在']);
        }
        $model["reg_num"]=UserModel::getRegNum($activity_id);
        return $model;
    }

    /**
     * 获取列表
     */
    public function getList($category_id = 0, $params)
    {
        $model = $this;
        $category_id > 0 && $model = $model->where('category_id', '=', $category_id);
        return $model ->with(['image', 'category'])
            ->where('is_delete', '=', 0)
            ->where('activity_status', '=', 1)
            ->order(['activity_sort' => 'asc', 'create_time' => 'desc'])
            ->paginate($params);
    }

}