/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.exoplatform.task.dao;

import java.util.List;
import java.util.Set;

import org.exoplatform.commons.api.persistence.GenericDAO;
import org.exoplatform.commons.utils.ListAccess;
import org.exoplatform.task.domain.Comment;

public interface CommentHandler extends GenericDAO<Comment, Long> {
  ListAccess<Comment> findComments(long taskId);

  List<Comment> getSubComments(List<Comment> listComments);

  Set<String> findMentionedUsersOfTask(long taskId);

  int countCommentsWithSubs(long taskId);

  /**
   * @param taskId Task Technical identifier
   * @return null if no comments else last created comment on task
   */
  Comment getLastComment(long taskId);

}
