com.liferay.message.boards.web.internal.portlet.action.RSSAction.java Source code

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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.message.boards.web.internal.portlet.action;

import com.liferay.message.boards.kernel.service.MBMessageService;
import com.liferay.portal.kernel.dao.search.SearchContainer;
import com.liferay.portal.kernel.model.LayoutConstants;
import com.liferay.portal.kernel.struts.StrutsAction;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.RSSUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.struts.BaseRSSStrutsAction;
import com.liferay.portlet.messageboards.MBGroupServiceSettings;

import javax.servlet.http.HttpServletRequest;

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

/**
 * @author Brian Wing Shun Chan
 */
@Component(property = "path=/message_boards/rss", service = StrutsAction.class)
public class RSSAction extends BaseRSSStrutsAction {

    @Override
    protected byte[] getRSS(HttpServletRequest request) throws Exception {
        ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

        long plid = ParamUtil.getLong(request, "p_l_id");

        if (plid == LayoutConstants.DEFAULT_PLID) {
            plid = themeDisplay.getPlid();
        }

        long companyId = ParamUtil.getLong(request, "companyId");
        long groupId = ParamUtil.getLong(request, "groupId");
        long userId = ParamUtil.getLong(request, "userId");
        long categoryId = ParamUtil.getLong(request, "mbCategoryId");
        long threadId = ParamUtil.getLong(request, "threadId");
        int max = ParamUtil.getInteger(request, "max", SearchContainer.DEFAULT_DELTA);
        String type = ParamUtil.getString(request, "type", RSSUtil.FORMAT_DEFAULT);
        double version = ParamUtil.getDouble(request, "version", RSSUtil.VERSION_DEFAULT);
        String displayStyle = ParamUtil.getString(request, "displayStyle", RSSUtil.DISPLAY_STYLE_DEFAULT);

        String entryURL = themeDisplay.getPortalURL() + themeDisplay.getPathMain()
                + "/message_boards/find_message?p_l_id=" + plid;

        String rss = StringPool.BLANK;

        if (companyId > 0) {
            String feedURL = StringPool.BLANK;

            rss = _mbMessageService.getCompanyMessagesRSS(companyId, WorkflowConstants.STATUS_APPROVED, max, type,
                    version, displayStyle, feedURL, entryURL, themeDisplay);
        } else if (groupId > 0) {
            String mvcRenderCommandName = ParamUtil.getString(request, "mvcRenderCommandName");

            String feedURL = null;

            if (mvcRenderCommandName.equals("/message_boards/view_recent_posts")) {

                feedURL = themeDisplay.getPortalURL() + themeDisplay.getPathMain()
                        + "/message_boards/find_recent_posts?p_l_id=" + plid;
            } else {
                feedURL = themeDisplay.getPortalURL() + themeDisplay.getPathMain()
                        + "/message_boards/find_category?p_l_id=" + plid + "&mbCategoryId=" + categoryId;
            }

            if (userId > 0) {
                rss = _mbMessageService.getGroupMessagesRSS(groupId, userId, WorkflowConstants.STATUS_APPROVED, max,
                        type, version, displayStyle, feedURL, entryURL, themeDisplay);
            } else {
                rss = _mbMessageService.getGroupMessagesRSS(groupId, WorkflowConstants.STATUS_APPROVED, max, type,
                        version, displayStyle, feedURL, entryURL, themeDisplay);
            }
        } else if (categoryId > 0) {
            String feedURL = themeDisplay.getPortalURL() + themeDisplay.getPathMain()
                    + "/message_boards/find_category?p_l_id=" + plid + "&mbCategoryId=" + categoryId;

            rss = _mbMessageService.getCategoryMessagesRSS(groupId, categoryId, WorkflowConstants.STATUS_APPROVED,
                    max, type, version, displayStyle, feedURL, entryURL, themeDisplay);
        } else if (threadId > 0) {
            String feedURL = themeDisplay.getPortalURL() + themeDisplay.getPathMain()
                    + "/message_boards/find_thread?p_l_id=" + plid + "&threadId=" + threadId;

            rss = _mbMessageService.getThreadMessagesRSS(threadId, WorkflowConstants.STATUS_APPROVED, max, type,
                    version, displayStyle, feedURL, entryURL, themeDisplay);
        }

        return rss.getBytes(StringPool.UTF8);
    }

    @Override
    protected boolean isRSSFeedsEnabled(HttpServletRequest request) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

        MBGroupServiceSettings mbGroupServiceSettings = MBGroupServiceSettings
                .getInstance(themeDisplay.getSiteGroupId());

        return mbGroupServiceSettings.isEnableRSS();
    }

    @Reference(unbind = "-")
    protected void setMBMessageService(MBMessageService mbMessageService) {
        _mbMessageService = mbMessageService;
    }

    private MBMessageService _mbMessageService;

}