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Error Handler

All exceptions are handled by the App\Exceptions\Handler class. This class contains a render method where custom exception are reported and rendered. The below function is used to render an exception into an HTTP response.

public function render($request, Throwable $exception)
{
    if ($exception instanceof PermissionDeniedException) {
        $title = translate('Error Permission Denied');

        return response()->view('system.errors.permissionDenied', ['title' => $title], 401);
    }
    if ($exception instanceof NotFoundHttpException) {
        $title = translate('Not found');

        return response()->view('system.errors.pageNotFound', ['title' => $title], 404);
    }
    if ($exception instanceof MethodNotAllowedHttpException) {
        $title = translate('Method not allowed.');

        return response()->view('system.errors.methodNotAllowed', ['title' => $title], 405);
    }
    if ($exception instanceof ResourceNotFoundException) {
        $return = redirect()->back()->withErrors(['alert-danger' => 'Record was not found in our system.']);
    }
    if ($exception instanceof NotDeletableException) {
        $return = redirect()->back()->withErrors(['alert-danger' => $exception->message]);
    }
    if ($exception instanceof CustomGenericException) {
        $return = redirect()->back()->withErrors([$exception->alert => $exception->message]);
    }
    if ($exception instanceof ApiGenericException) {
        $return = $this->setStatusCode($exception->statusCode)->respondWithError($exception->message);
    }
    if (isset($return)) {
        return $return;
    }

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

During local development APP_DEBUG environment variable is set to true whereas in production its value is set to false inorder to limit the risk of exposing sensitive configuration values to application's end users.