osb/app/Http/Requests/CheckoutAddEdit.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;

/**
 * Editing Suppliers
 */
class CheckoutAddEdit extends FormRequest
{
	/**
	 * Determine if the user is authorized to make this request.
	 *
	 * @return bool
	 */
	public function authorize()
	{
		return Auth::user()->isWholesaler();
	}

	/**
	 * Get the validation rules that apply to the request.
	 *
	 * @return array<string, mixed>
	 */
	public function rules()
	{
		return [
			'name' => [
				'required',
				'string',
				'min:2',
				'max:255',
				Rule::unique('checkouts','name')->ignore($this->route('o')?->id),
			],
			'active' => 'sometimes|accepted',
			'description' => 'nullable|string|min:2|max:255',
		];
	}
}