org.messic.server.api.randomlists.GenreRandomListPlugin.java Source code

Introduction

Here is the source code for org.messic.server.api.randomlists.GenreRandomListPlugin.java

Source

/*
 * Copyright (C) 2013
 *
 *  This file is part of Messic.
 * 
 *  This program 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.
 *
 *  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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.messic.server.api.randomlists;

import java.util.Collections;
import java.util.List;
import java.util.Random;

import org.messic.server.api.datamodel.RandomList;
import org.messic.server.api.datamodel.Song;
import org.messic.server.api.datamodel.User;
import org.messic.server.datamodel.MDOAlbum;
import org.messic.server.datamodel.MDOGenre;
import org.messic.server.datamodel.MDOSong;
import org.messic.server.datamodel.dao.DAOAlbum;
import org.messic.server.datamodel.dao.DAOGenre;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class GenreRandomListPlugin implements RandomListPlugin {
    @Autowired
    private DAOGenre daoGenre;

    @Autowired
    private DAOAlbum daoAlbum;

    @Override
    public RandomList getRandomList(User user) {
        List<MDOGenre> randomGenreList = daoGenre.getRandomGenre(user.getLogin(), 1);
        if (randomGenreList != null && randomGenreList.size() > 0) {
            List<MDOAlbum> albumList = daoAlbum.getAll(user.getLogin(), randomGenreList.get(0));

            RandomList rl = new RandomList("RandomListName-Genre", "RandomListTitle-Genre");
            rl.addDetail(randomGenreList.get(0).getName());

            for (int i = 0; i < albumList.size() && i < MAX_ELEMENTS; i++) {
                for (MDOSong mdoSong : albumList.get(i).getSongs()) {
                    Song song = new Song(mdoSong, true, true);
                    rl.addSong(song);
                }

            }

            long seed = System.nanoTime();
            if (rl.getSongs() != null) {
                Collections.shuffle(rl.getSongs(), new Random(seed));
            }
            return rl;
        }
        return null;
    }

    @Override
    public String getName() {
        return getClass().getName();
    }
}