Laravel try catch blogu ile hata mesajini blade’e gonderme

Laravel ile controller bolumunde bir islemin basarili olup olmadigini anlamak icin try catch blogu kullanabiliriz, islem catch blogunu duserse bunu bir mesaj olarak almak istersek, ::withMessages ile throw yapabiliriz.

<?php

namespace App\Http\Controllers;

use App\Services\Newsletter;
use Illuminate\Http\Request;
use \Illuminate\Validation\ValidationException;

class NewsletterController extends Controller
{
    public function __invoke(Newsletter $newsletter)
    {
        request()->validate([
            'email' => 'required|email',

        ]);

        try {
            $newsletter->subscribe(request('email'));
        } catch (\Exception $e) {
            throw   ValidationException::withMessages([
                'email' => 'This email could not be added to out newsletter'
            ]);
        }

        // ddd($response);
        return redirect('/')->with('success', 'You are now signed up for our newsltter');
    }
}