Tou-Biao-API/application/common/model/Users-back.php

<?php

namespace app\common\model;

use think\Db;
use think\Model;

/**
 * 会员模型
 */
class UsersBack extends Model
{

    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';

    public static function getByCodeAndMobile($code, $mobile)
    {
        $info = self::where('code', $code)
            ->where('mobile', $mobile)
            ->find();
        return $info;
    }
    /**
     * 变更会员余额
     * @param int    $money   余额
     * @param int    $user_id 会员ID
     * @param string $memo    备注
     */
    public static function money($money, $user_id, $memo)
    {
        Db::startTrans();
        try {
            $user = self::lock(true)->find($user_id);
            if ($user && $money != 0) {
                $before = $user->money;
                //$after = $user->money + $money;
                $after = function_exists('bcadd') ? bcadd($user->money, $money, 2) : $user->money + $money;
                //更新会员信息
                $user->save(['money' => $after]);
                //写入日志
                MoneyLog::create(['user_id' => $user_id, 'money' => $money, 'before' => $before, 'after' => $after, 'memo' => $memo]);
            }
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
        }
    }

    /**
     * 变更会员积分
     * @param int    $score   积分
     * @param int    $user_id 会员ID
     * @param string $memo    备注
     */
    public static function score($score, $user_id, $memo)
    {
        Db::startTrans();
        try {
            $user = self::lock(true)->find($user_id);
            if ($user && $score != 0) {
                $before = $user->score;
                $after = $user->score + $score;
                $level = self::nextlevel($after);
                //更新会员信息
                $user->save(['score' => $after, 'level' => $level]);
                //写入日志
                ScoreLog::create(['user_id' => $user_id, 'score' => $score, 'before' => $before, 'after' => $after, 'memo' => $memo]);
            }
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
        }
    }

    /**
     * 根据积分获取等级
     * @param int $score 积分
     * @return int
     */
    public static function nextlevel($score = 0)
    {
        $lv = array(1 => 0, 2 => 30, 3 => 100, 4 => 500, 5 => 1000, 6 => 2000, 7 => 3000, 8 => 5000, 9 => 8000, 10 => 10000);
        $level = 1;
        foreach ($lv as $key => $value) {
            if ($score >= $value) {
                $level = $key;
            }
        }
        return $level;
    }
}