/*
 * Copyright (C) 2008-2023, Juick
 *
 * 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.
 *
 * 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 com.juick.service;

import com.juick.model.Message;
import com.juick.model.Tag;
import com.juick.model.User;

import org.springframework.cache.annotation.CacheEvict;

import java.util.List;

/**
 * Created by aalexeev on 11/13/16.
 */
public interface SubscriptionService {

    List<User> getSubscribedUsers(int uid, Message msg);

    List<User> getUsersSubscribedToComments(Message msg, Message reply);

    List<User> getUsersSubscribedToComments(Message msg, Message reply, boolean blacklisted);

    List<User> getUsersSubscribedToUserRecommendations(int uid, Message msg);

    @CacheEvict(value = { "discussions" }, allEntries = true)
    boolean subscribeMessage(Message message, User user);

    boolean unSubscribeMessage(int mid, int vuid);

    boolean subscribeUser(User user, User toUser);

    boolean unSubscribeUser(User user, User fromUser);

    boolean subscribeTag(User user, Tag toTag);

    boolean unSubscribeTag(User user, Tag toTag);

    List<String> getSubscribedTags(User user);
}