ldc-crm/app/Http/Requests/Bo/Users/UpdateUserRequest.php

<?php

namespace App\Http\Requests\Bo\Users;

class UpdateUserRequest extends StoreUserRequest
{
    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    protected function prepareForValidation(): void
    {
        $this->merge([
            'published' => $this->input('published') ? true : false,
            'brand_id'  => $this->input('brand_id') ?: [],
        ]);
    }

    /**
     * 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');

        return array_merge(parent::rules(), [
            'email'    => [
                'required',
                'string',
                'email:rfc,strict,dns,spoof,filter',
                'unique:users,email,' . $userModel->getKey(),
            ],
        ]);
    }
}