Bolt\Controller\Backend\Users::first PHP Method

    public function first(Request $request)
    {
        // We should only be here for creating the first user
        if ($this->app['schema']->hasUserTable() && $this->users()->hasUsers()) {
            return $this->redirectToRoute('dashboard');
        }
        // Get and empty user
        $userEntity = new Entity\Users();
        // Add a note, if we're setting up the first user using SQLite.
        $dbdriver = $this->getOption('general/database/driver');
        if ($dbdriver === 'sqlite' || $dbdriver === 'pdo_sqlite') {
            $note = Trans::__('page.edit-users.note-sqlite');
        } else {
            $note = '';
        }
        // If we get here, chances are we don't have the tables set up, yet.
        $this->app['schema']->update();
        // Grant 'root' to first user by default
        $userEntity->setRoles([Permissions::ROLE_ROOT]);
        // Get the form
        $form = $this->getUserForm($userEntity, true);
        // Set the validation
        $form = $this->setUserFormValidation($form, true);
        /** @var \Symfony\Component\Form\Form */
        $form = $form->getForm();
        // Check if the form was POST-ed, and valid. If so, store the user.
        if ($request->isMethod('POST') && ($response = $this->firstPost($request, $form))) {
            return $response;
        }
        $context = ['kind' => 'create', 'form' => $form->createView(), 'note' => $note, 'displayname' => $userEntity['displayname'], 'sitename' => $this->getOption('general/sitename')];
        return $this->render('@bolt/firstuser/firstuser.twig', $context);
    }