koel/app/Exceptions/Handler.php

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that should not be reported.
     *
     * @var array
     */
    protected $dontReport = [
        AuthorizationException::class,
        HttpException::class,
        ModelNotFoundException::class,
        ValidationException::class,
    ];

    /**
     * Report or log an exception.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @throws Exception
     */
    public function report(Exception $e): void
    {
        parent::report($e);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param Request $request
     */
    public function render($request, Exception $e): Response
    {
        if ($e instanceof ModelNotFoundException) {
            $e = new NotFoundHttpException($e->getMessage(), $e);
        }

        return parent::render($request, $e);
    }

    /**
     * Convert an authentication exception into an unauthenticated response.
     *
     * @param Request $request
     */
    protected function unauthenticated($request, AuthenticationException $exception): Response
    {
        if ($request->expectsJson()) {
            return response()->json(['error' => 'Unauthenticated.'], 401);
        }

        return redirect()->guest('login');
    }
}