code: public function postMissingKeys()
      {
          $missingKeys = Request::json('missingKeys');
  
          // always on the default connection
          $this->manager->setConnectionName('');
  
          /* @var $translator \Vsch\TranslationManager\Translator */
          $translator = App::make('translator');
  
          $affectedGroups = [];
          foreach ($missingKeys as $key) {
              $key = decodeKey($key);
              list($namespace, $group, $item) = $translator->parseKey($key);
              if ($item && $group) {
                  if (!in_array($group, $this->manager->config(Manager::EXCLUDE_GROUPS_KEY))) {
                      $t = $this->manager->missingKey($namespace, $group, $item, null, false, true);
                      if (!$t->exists) {
                          $affectedGroups[] = $t->group;
                          $t->save();
                      }
                  }
              } else {
                  // TODO: return error invalid key
              }
          }
  
          $data = [
              'connectionName' => '',
              'affectedGroups' => $affectedGroups,
              'missingKeys' => [],
          ];
  
          $pretty = Request::has('pretty-json') ? JSON_PRETTY_PRINT : 0;
          return Response::json($data, 200, [], JSON_UNESCAPED_SLASHES | $pretty);
      }
docs: Handles missing keys from the React App
  
  @return \Illuminate\Http\JsonResponse provides affected groups so translations table can be reloaded