com.liferay.blogs.web.internal.trackback.Trackback.java Source code

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Here is the source code for com.liferay.blogs.web.internal.trackback.Trackback.java

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/**
 * Copyright (c) 2000-present 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 com.liferay.blogs.web.internal.trackback;

import com.liferay.blogs.linkback.LinkbackConsumer;
import com.liferay.blogs.model.BlogsEntry;
import com.liferay.petra.string.CharPool;
import com.liferay.portal.kernel.comment.CommentManager;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.UserLocalService;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Function;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.util.PropsValues;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Alexander Chow
 * @author Andr de Oliveira
 */
@Component(service = Trackback.class)
public class Trackback {

    public void addTrackback(BlogsEntry entry, ThemeDisplay themeDisplay, String excerpt, String url,
            String blogName, String title, Function<String, ServiceContext> serviceContextFunction)
            throws PortalException {

        long userId = _userLocalService.getDefaultUserId(themeDisplay.getCompanyId());
        long groupId = entry.getGroupId();
        String className = BlogsEntry.class.getName();
        long classPK = entry.getEntryId();

        String body = buildBody(themeDisplay, excerpt, url);

        long commentId = _commentManager.addComment(userId, groupId, className, classPK, blogName, title, body,
                serviceContextFunction);

        String entryURL = buildEntryURL(entry, themeDisplay);

        _linkbackConsumer.addNewTrackback(commentId, url, entryURL);
    }

    protected String buildBBCodeBody(ThemeDisplay themeDisplay, String excerpt, String url) {

        url = StringUtil.replace(url, new char[] { CharPool.CLOSE_BRACKET, CharPool.OPEN_BRACKET },
                new String[] { "%5D", "%5B" });

        StringBundler sb = new StringBundler(7);

        sb.append("[...] ");
        sb.append(excerpt);
        sb.append(" [...] [url=");
        sb.append(url);
        sb.append("]");
        sb.append(themeDisplay.translate("read-more"));
        sb.append("[/url]");

        return sb.toString();
    }

    protected String buildBody(ThemeDisplay themeDisplay, String excerpt, String url) {

        if (PropsValues.DISCUSSION_COMMENTS_FORMAT.equals("bbcode")) {
            return buildBBCodeBody(themeDisplay, excerpt, url);
        }

        return buildHTMLBody(themeDisplay, excerpt, url);
    }

    protected String buildEntryURL(BlogsEntry entry, ThemeDisplay themeDisplay) throws PortalException {

        StringBundler sb = new StringBundler(4);

        sb.append(_portal.getLayoutFullURL(themeDisplay));
        sb.append(Portal.FRIENDLY_URL_SEPARATOR);
        sb.append("blogs/");
        sb.append(entry.getUrlTitle());

        return sb.toString();
    }

    protected String buildHTMLBody(ThemeDisplay themeDisplay, String excerpt, String url) {

        StringBundler sb = new StringBundler(7);

        sb.append("[...] ");
        sb.append(excerpt);
        sb.append(" [...] <a href=\"");
        sb.append(url);
        sb.append("\">");
        sb.append(themeDisplay.translate("read-more"));
        sb.append("</a>");

        return sb.toString();
    }

    @Reference
    private CommentManager _commentManager;

    @Reference
    private LinkbackConsumer _linkbackConsumer;

    @Reference
    private Portal _portal;

    @Reference
    private UserLocalService _userLocalService;

}