ldc-gen-game-web/app/Http/Requests/Bo/Users/UpdateUserRequest.php

<?php

namespace App\Http\Requests\Bo\Users;

use App\Enums\Users\RoleEnum;
use Illuminate\Support\Facades\Gate;
use Illuminate\Validation\Rules\Enum;

class UpdateUserRequest extends StoreUserRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize(): bool
    {
        return Gate::check('update', $this->route('user'));
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        /** @var \App\Models\User $userModel */
        $userModel = request()->route()->parameter('user');
        $rules     = [
            'email'    => [
                'required',
                'string',
                'unique:users,email,' . $userModel->getKey(),
                'email:rfc,strict,dns,spoof,filter',
                'max:255'
            ],
            'role'     => ['sometimes', new Enum(RoleEnum::class)],
        ];
        return \array_merge(parent::rules(), $rules);
    }
}