Tstore/app/Models/StoreClient.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;

class StoreClient extends Model
{
    protected $table = 'store_clients';

    protected $fillable = [
        'site_url',
        'site_name',
        'access_token',
        'status',
        'user_count',
        'typecho_version',
        'php_version',
        'plugin_version',
        'last_ip',
        'last_user_agent',
        'registered_at',
        'last_seen_at',
    ];

    protected $casts = [
        'user_count' => 'integer',
        'registered_at' => 'datetime',
        'last_seen_at' => 'datetime',
    ];

    public function scopeOnline(Builder $query): Builder
    {
        return $query->whereNotNull('last_seen_at')
            ->where('last_seen_at', '>=', now()->subMinutes((int) config('store.client_online_window_minutes', 15)));
    }

    public function getIsOnlineAttribute(): bool
    {
        if (!$this->last_seen_at) {
            return false;
        }

        return $this->last_seen_at->gte(
            now()->subMinutes((int) config('store.client_online_window_minutes', 15))
        );
    }

    public function getTokenSuffixAttribute(): string
    {
        $token = trim((string) $this->access_token);
        if ($token === '') {
            return '';
        }

        return substr($token, -8);
    }
}