# KmeliaPublicationSort.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 <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.kmelia.model;

    import java.io.Serializable;
    import java.util.List;

    public class KmeliaPublicationSort implements Serializable {
      private static final long serialVersionUID = 123918700477888284L;

      public static final int SORT_CREATOR_ASC = 0;
      public static final int SORT_UPDATE_ASC = 1;
      public static final int SORT_UPDATE_DESC = 2;
      public static final int SORT_IMPORTANCE_ASC = 3;
      public static final int SORT_TITLE_ASC = 4;
      public static final int SORT_CREATION_ASC = 5;
      public static final int SORT_CREATION_DESC = 6;
      public static final int SORT_DESCRIPTION_ASC = 7;
      public static final int SORT_MANUAL = 99;

      private int currentSort;
      private boolean explicitSort = false;
      private boolean manualSortEnable = false;

      public KmeliaPublicationSort(final int initialSort) {
        this.currentSort = initialSort;
      }

      public int getCurrentSort() {
        return currentSort;
      }

      public void setCurrentSort(final int currentSort) {
        this.currentSort = currentSort;
      }

      public boolean isExplicitSort() {
        return explicitSort;
      }

      public void setExplicitSort(final boolean explicitSort) {
        this.explicitSort = explicitSort;
      }

      public boolean isManualSortEnable() {
        return manualSortEnable;
      }

      public void setManualSortEnable(final boolean manualSortEnable) {
        this.manualSortEnable = manualSortEnable;
      }

      /**
       * Gets the publication consumer according to given content language.
       * @param language a content language (and not the user favorite one).
       * @return SortConsumer lambda to apply on {@link KmeliaPublication} list.
       */
      public SortConsumer<List<KmeliaPublication>> withContentLanguage(final String language) {
        return p -> {
          if (p != null) {
            switch (currentSort) {
              case SORT_CREATOR_ASC:
                p.sort(new PubliAuthorComparator(true));
                break;
              case SORT_UPDATE_ASC:
                p.sort(new PubliUpdateDateComparator(true));
                break;
              case SORT_UPDATE_DESC:
                p.sort(new PubliUpdateDateComparator(false));
                break;
              case SORT_IMPORTANCE_ASC:
                p.sort(new PubliImportanceComparator(false));
                break;
              case SORT_TITLE_ASC:
                p.sort(new PubliTitleComparator(true, language));
                break;
              case SORT_CREATION_ASC:
                p.sort(new PubliCreationDateComparator(true));
                break;
              case SORT_CREATION_DESC:
                p.sort(new PubliCreationDateComparator(false));
                break;
              case SORT_DESCRIPTION_ASC:
                p.sort(new PubliDescriptionComparator(true, language));
                break;
              default:
                // display publications according to manual order defined by admin
                p.sort(new PubliRankComparator(true));
            }
          }
        };
      }

      @FunctionalInterface
      public interface SortConsumer<T> {
        void sort(T t);
      }
    }