📄 Setting.php

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;

class Setting extends Model {
    protected $fillable = ['key', 'value', 'group'];
    public static function get(string $key, $default = null) {
        return cache()->remember("setting_{$key}", 3600, function () use ($key, $default) {
            return static::where('key', $key)->value('value') ?? $default;
        });
    }
    public static function set(string $key, $value): void {
        static::updateOrCreate(['key' => $key], ['value' => $value]);
        cache()->forget("setting_{$key}");
    }
}