ProxyPanel/app/Services/UserService.php

<?php

namespace App\Services;

use App\Models\Order;
use App\Models\User;
use Auth;

class UserService
{
    private static $user;

    public function __construct(User $user = null)
    {
        self::$user = $user ?: Auth::getUser();
    }

    public function isAvailable(): bool
    {
        return ! self::$user->ban_time && self::$user->transfer_enable && self::$user->expired_at > time();
    }

    // 添加用户余额
    public function updateCredit(float $credit): bool
    {
        self::$user->credit += $credit;

        return self::$user->credit >= 0 && self::$user->save();
    }

    // 添加用户流量
    public function incrementData(int $data): bool
    {
        self::$user->transfer_enable += $data;

        return self::$user->save();
    }

    public function isNotCompleteOrderByUserId(int $userId): bool
    {
        return Order::uid($userId)->whereIn('status', [0, 1])->exists();
    }

    public function trafficFetch(int $u, int $d): bool
    {
        self::$user->u += $u;
        self::$user->d += $d;

        return self::$user->save();
    }
}