ldc-boutique-cnc-sable/app/Models/Setting.php

<?php

declare(strict_types=1);

namespace App\Models;

use App\Casts\EmployeeSitesCast;
use Illuminate\Database\Eloquent\Model;

/**
 * @property int $id
 * @property string[]|null $employee_sites
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 *
 * @mixin \Eloquent
 */
class Setting extends Model
{
    public const int SINGLETON_ID = 1;

    protected $fillable = [
        'employee_sites',
    ];

    /**
     * @return array<string, class-string|string>
     */
    #[\Override]
    protected function casts(): array
    {
        return [
            'employee_sites' => EmployeeSitesCast::class,
        ];
    }

    public static function getSingleton(): self
    {
        return self::query()->firstOrCreate(
            ['id' => self::SINGLETON_ID],
            [
                'employee_sites' => [],
            ]
        );
    }
}