UserAddressSave.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class UserAddressSave extends BaseRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $rules = [
            'email' => 'required|email',
            'phone' => 'required|max:20',
            'country' => 'required|max:64',
            'province' => 'required|max:64',
            'city' => 'required|max:64',
            'last_name' => 'required|max:50',
            'first_name' => 'required|max:50',
            'company_name' => 'required|max:50',
            'detail_address' => 'required|max:255',
            'post_code' => 'required|max:10',
        ];
        if (request()->routeIs('user_address.update')) {
            $rules['address_id'] = 'required';
        }

        return $rules;
    }
}