org.liferay.jukebox.model.impl.SongImpl.java Source code

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Here is the source code for org.liferay.jukebox.model.impl.SongImpl.java

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/**
 * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
 *
 * This library 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 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 */

package org.liferay.jukebox.model.impl;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.model.Repository;
import com.liferay.portal.portletfilerepository.PortletFileRepositoryUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portlet.documentlibrary.model.DLFolderConstants;
import com.liferay.portlet.documentlibrary.util.AudioProcessorUtil;
import com.liferay.portlet.documentlibrary.util.DLUtil;

import java.util.List;

import org.liferay.jukebox.util.Constants;

/**
 * The extended model implementation for the Song service. Represents a row in the "jukebox_Song" database table, with each column mapped to a property of this class.
 *
 * <p>
 * Helper methods and all application logic should be put in this class. Whenever methods are added, rerun ServiceBuilder to copy their definitions into the {@link org.liferay.jukebox.model.Song} interface.
 * </p>
 *
 * @author Julio Camarero
 * @author Sergio Gonzlez
 * @author Eudaldo Alonso
 */
public class SongImpl extends SongBaseImpl {

    public String getImageURL(ThemeDisplay themeDisplay) throws SystemException {

        return themeDisplay.getPortalURL() + "/jukebox-portlet/images/song.png";
    }

    public String getLyricsURL(ThemeDisplay themeDisplay) throws PortalException, SystemException {

        FileEntry fileEntry = getFileEntry(themeDisplay, Constants.LYRICS_FOLDER_NAME);

        if (fileEntry == null) {
            return StringPool.BLANK;
        }

        return DLUtil.getPreviewURL(fileEntry, fileEntry.getLatestFileVersion(), themeDisplay, StringPool.BLANK);
    }

    public String getSongURL(ThemeDisplay themeDisplay, String audioContainer)
            throws PortalException, SystemException {

        FileEntry fileEntry = getFileEntry(themeDisplay, Constants.SONGS_FOLDER_NAME);

        if (fileEntry == null) {
            return StringPool.BLANK;
        }

        if (!AudioProcessorUtil.hasAudio(fileEntry.getLatestFileVersion())) {
            return StringPool.BLANK;
        }

        if (Validator.isNull(audioContainer)) {
            audioContainer = "mp3";
        }

        String queryString = "&audioPreview=1&type=" + audioContainer;

        return DLUtil.getPreviewURL(fileEntry, fileEntry.getLatestFileVersion(), themeDisplay, queryString);
    }

    protected FileEntry getFileEntry(ThemeDisplay themeDisplay, String folderName) throws SystemException {

        Repository repository = PortletFileRepositoryUtil.fetchPortletRepository(getGroupId(),
                Constants.JUKEBOX_PORTLET_REPOSITORY);

        if (repository == null) {
            return null;
        }

        try {
            Folder folder = PortletFileRepositoryUtil.getPortletFolder(0, repository.getRepositoryId(),
                    DLFolderConstants.DEFAULT_PARENT_FOLDER_ID, String.valueOf(getSongId()), null);

            Folder songFolder = PortletFileRepositoryUtil.getPortletFolder(0, repository.getRepositoryId(),
                    folder.getFolderId(), folderName, null);

            List<FileEntry> fileEntries = PortletFileRepositoryUtil
                    .getPortletFileEntries(themeDisplay.getScopeGroupId(), songFolder.getFolderId());

            if (fileEntries.isEmpty()) {
                return null;
            }

            return fileEntries.get(0);
        } catch (Exception e) {
            return null;
        }
    }

}