application/front/controller/visitor/ErrorController.php

   1 <?php
   2
   3 declare(strict_types=1);
   4
   5 namespace Shaarli\Front\Controller\Visitor;
   6
   7 use Shaarli\Front\Exception\ShaarliFrontException;
   8 use Slim\Http\Request;
   9 use Slim\Http\Response;
  10
  11 /**
  12  * Controller used to render the error page, with a provided exception.
  13  * It is actually used as a Slim error handler.
  14  */
  15 class ErrorController extends ShaarliVisitorController
  16 {
  17     public function __invoke(Request $request, Response $response, \Throwable $throwable): Response
  18     {
  19         // Unknown error encountered
  20         $this->container->pageBuilder->reset();
  21
  22         if ($throwable instanceof ShaarliFrontException) {
  23             // Functional error
  24             $this->assignView('message', nl2br($throwable->getMessage()));
  25
  26             $response = $response->withStatus($throwable->getCode());
  27         } else {
  28             // Internal error (any other Throwable)
  29             if ($this->container->conf->get('dev.debug', false)) {
  30                 $this->assignView('message', $throwable->getMessage());
  31                 $this->assignView(
  32                     'stacktrace',
  33                     nl2br(get_class($throwable) .': '. PHP_EOL . $throwable->getTraceAsString())
  34                 );
  35             } else {
  36                 $this->assignView('message', t('An unexpected error occurred.'));
  37             }
  38
  39             $response = $response->withStatus(500);
  40         }
  41
  42
  43         return $response->write($this->render('error'));
  44     }
  45 }