# KmeliaSubscriptionPublicationUserNotification.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception.  You should have recieved a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program.  If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.kmelia.notification;

    import org.silverpeas.core.contribution.publication.model.Location;
    import org.silverpeas.core.contribution.publication.model.PublicationDetail;
    import org.silverpeas.core.contribution.publication.model.PublicationPK;
    import org.silverpeas.core.contribution.publication.subscription.LocationFilterDirective;
    import org.silverpeas.core.contribution.publication.subscription.PublicationAliasSubscriptionResource;
    import org.silverpeas.core.contribution.publication.subscription.PublicationSubscriptionResource;
    import org.silverpeas.core.node.model.NodePK;
    import org.silverpeas.core.notification.user.UserSubscriptionNotificationBehavior;
    import org.silverpeas.core.notification.user.client.constant.NotifAction;
    import org.silverpeas.core.subscription.constant.SubscriberType;
    import org.silverpeas.core.subscription.util.SubscriptionSubscriberMapBySubscriberType;

    import java.util.Collection;

    import static java.util.function.Predicate.not;
    import static org.silverpeas.core.contribution.publication.subscription.LocationFilterDirective.withLocationFilter;
    import static org.silverpeas.core.contribution.publication.subscription.OnLocationDirective.onLocationId;
    import static org.silverpeas.core.subscription.service.ResourceSubscriptionProvider.getSubscribersOfSubscriptionResource;

    /**
     * @author Yohann Chastagnier
     */
    public class KmeliaSubscriptionPublicationUserNotification
        extends AbstractKmeliaPublicationUserNotification implements
        UserSubscriptionNotificationBehavior {

      private final SubscriptionSubscriberMapBySubscriberType subscriberIdsByTypes;

      public KmeliaSubscriptionPublicationUserNotification(final NodePK nodePK,
          final PublicationDetail resource, final NotifAction action) {
        super(nodePK, resource, action);
        if (getResource().isAlias()) {
          subscriberIdsByTypes = getSubscribersOfSubscriptionResource(
              PublicationAliasSubscriptionResource.from(new PublicationPK(resource.getId(),
                  getNodePK().getComponentInstanceId())), onLocationId(getNodePK().getLocalId())).indexBySubscriberType();
        } else {
          final LocationFilterDirective filter = withLocationFilter(not(Location::isAlias)
              .and(l -> l.getComponentInstanceId().equals(getComponentInstanceId())));
          subscriberIdsByTypes = getSubscribersOfSubscriptionResource(
              PublicationSubscriptionResource.from(resource.getPK()), filter).indexBySubscriberType();
        }
      }

      @Override
      protected void perform(final PublicationDetail resource) {
        super.perform(resource);
        getNotificationMetaData().displayReceiversInFooter();
      }

      @Override
      protected String getBundleSubjectKey() {
        return "Subscription";
      }

      @Override
      protected String getTemplateFileName() {
        if (NotifAction.CREATE.equals(getAction())) {
          return "notificationSubscriptionCreate";
        } else if(NotifAction.UPDATE.equals(getAction())) {
          return "notificationSubscriptionUpdate";
        } else {
          // Draft out or Validate or ALIAS
          return "notificationSubscriptionOtherAction";
        }
      }

      @Override
      protected Collection<String> getUserIdsToNotify() {
        return subscriberIdsByTypes.get(SubscriberType.USER).getAllIds();
      }

      @Override
      protected Collection<String> getGroupIdsToNotify() {
        return subscriberIdsByTypes.get(SubscriberType.GROUP).getAllIds();
      }
    }