private function contribution_actions(CalendarEvent $event, $id_event)
 {
     if ($event->get_id() === null) {
         if ($this->is_contributor_member()) {
             $contribution = new Contribution();
             $contribution->set_id_in_module($id_event);
             $contribution->set_description(stripslashes($this->form->get_value('contribution_description')));
             $contribution->set_entitled($event->get_content()->get_title());
             $contribution->set_fixing_url(CalendarUrlBuilder::edit_event($id_event)->relative());
             $contribution->set_poster_id(AppContext::get_current_user()->get_id());
             $contribution->set_module('calendar');
             $contribution->set_auth(Authorizations::capture_and_shift_bit_auth(CalendarService::get_categories_manager()->get_heritated_authorizations($event->get_content()->get_category_id(), Category::MODERATION_AUTHORIZATIONS, Authorizations::AUTH_CHILD_PRIORITY), Category::MODERATION_AUTHORIZATIONS, Contribution::CONTRIBUTION_AUTH_BIT));
             ContributionService::save_contribution($contribution);
         }
     } else {
         $corresponding_contributions = ContributionService::find_by_criteria('calendar', $id_event);
         if (count($corresponding_contributions) > 0) {
             $event_contribution = $corresponding_contributions[0];
             $event_contribution->set_status(Event::EVENT_STATUS_PROCESSED);
             ContributionService::save_contribution($event_contribution);
         }
     }
     $event->set_id($id_event);
 }