# MembershipRequestValidationUserNotificationBuilder.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 received 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 <http://www.gnu.org/licenses/>.
     */

    package org.silverpeas.components.community.notification.user;

    import org.silverpeas.components.community.model.CommunityOfUsers;
    import org.silverpeas.core.admin.user.model.User;
    import org.silverpeas.core.template.SilverpeasTemplate;

    import java.util.Collection;

    import static java.util.Collections.singletonList;

    /**
     * User notification dedicated to the management of the validation of member request to join a
     * community.
     * @author silveryocha
     */
    public class MembershipRequestValidationUserNotificationBuilder
        extends AbstractCommunityUserNotificationBuilder {

      private User requester;
      private boolean accepted;
      private String message;

      protected MembershipRequestValidationUserNotificationBuilder(final CommunityOfUsers resource) {
        super(resource);
      }

      /**
       * Initializing the user notification builder with given community.
       * @param community a {@link CommunityOfUsers} instance.
       * @return the builder instance itself.
       */
      public static MembershipRequestValidationUserNotificationBuilder about(
          final CommunityOfUsers community) {
        return new MembershipRequestValidationUserNotificationBuilder(community);
      }

      /**
       * Indicating the requester for which the join request validation has been performed and if the
       * request has been accepted or refused.
       * @param requester a {@link User} instance if the join requester.
       * @param accept the result of the validation. true if accepted, false otherwise.
       * @return the builder instance itself.
       */
      public MembershipRequestValidationUserNotificationBuilder validating(final User requester,
          final boolean accept) {
        this.requester = requester;
        this.accepted = accept;
        return this;
      }

      /**
       * Sets an additional message if any.
       * @param message a string.
       * @return the builder instance itself.
       */
      public MembershipRequestValidationUserNotificationBuilder withMessage(final String message) {
        this.message = message;
        return this;
      }

      @Override
      protected String getBundleSubjectKey() {
        return accepted ?
            "community.join.request.validate.accept.notif.subject" :
            "community.join.request.validate.refuse.notif.subject";
      }

      @Override
      protected String getTemplateFileName() {
        return "communityMembershipRequestValidation";
      }

      @Override
      protected Collection<String> getUserIdsToNotify() {
        return singletonList(requester.getId());
      }

      @Override
      protected void perform(final CommunityOfUsers resource) {
        super.perform(resource);
        getNotificationMetaData().setOriginalExtraMessage(message);
      }

      @Override
      protected void performTemplateData(final String language, final CommunityOfUsers resource,
          final SilverpeasTemplate template) {
        super.performTemplateData(language, resource, template);
        template.setAttribute("accepted", accepted);
      }
    }