net.seedboxer.core.logic.ContentManager.java Source code

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Here is the source code for net.seedboxer.core.logic.ContentManager.java

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/*******************************************************************************
 * ContentManager.java
 *
 * Copyright (c) 2012 SeedBoxer Team.
 *
 * This file is part of SeedBoxer.
 *
 * SeedBoxer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SeedBoxer 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SeedBoxer.  If not, see <http ://www.gnu.org/licenses/>.
 ******************************************************************************/

package net.seedboxer.core.logic;

import java.util.ArrayList;
import java.util.List;

import net.seedboxer.core.domain.Content;
import net.seedboxer.core.domain.User;
import net.seedboxer.core.persistence.ContentDao;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.google.common.base.Optional;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterables;

/**
 * @author Jorge Davison (jdavisonc)
 *
 */
@Service
public class ContentManager {

    private static final Logger LOGGER = LoggerFactory.getLogger(ContentManager.class);

    @Autowired
    private ContentDao contentDao;

    public void updateContents(User user, List<Content> toUpdate) {
        List<Content> userContents = contentDao.getAllContents(user);
        for (Content content : toUpdate) {
            Optional<Content> find = Iterables.tryFind(userContents, Predicates.equalTo(content));
            if (!find.isPresent()) {
                content.setUser(user);
                contentDao.save(content);
                LOGGER.debug("New content {} for user {}", content.getName(), user.getId());
            }
        }
    }

    public List<Content> getAllContents(User user) {
        return contentDao.getAllContents(user);
    }

    public List<Content> getAllContentOfTypeAndName(String name, Class<? extends Content> contentType) {
        return contentDao.getAllContentsWithName(name, contentType);
    }

    @SuppressWarnings("unchecked")
    public List<Content> getHistoryContentOfType(Class<? extends Content> type, String name, User user) {
        return (List<Content>) contentDao.getHistoryContentsFilteredByNameAndUser(type, name, user);
    }

    public void saveContent(Content content, User user) {
        content.setUser(user);
        contentDao.save(content);
    }

    public void saveInHistory(Content content, User user) {
        content.setHistory(Boolean.TRUE);
        content.setUser(user);
        contentDao.save(content);
    }

    public List<User> getUsersWithContentInHistory(Content content, List<User> users) {
        List<User> usersWithContent = new ArrayList<User>();
        for (User user : users) {
            List<Content> history = getHistoryContentOfType(content.getClass(), content.getName(), user);

            if (isContentIn(content, history)) {
                usersWithContent.add(user);
            }
        }
        return usersWithContent;
    }

    private boolean isContentIn(Content content, List<Content> historyContentOfType) {
        Optional<Content> find = Iterables.tryFind(historyContentOfType, Predicates.equalTo(content));
        return find.isPresent();
    }

    public void deleteContent(Content content, User user) {
        content.setUser(user);
        contentDao.delete(content);
    }

    public List<Content> getHistory(User user) {
        return contentDao.getHistoryContents(user);
    }

}