ActivitiesPortlet.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This file is part of Liferay Social Office. Liferay Social Office is free
 * software: you can redistribute it and/or modify it under the terms of the GNU
 * Affero General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * Liferay Social Office 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 Affero General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * Liferay Social Office. If not, see http://www.gnu.org/licenses/agpl-3.0.html.
 */

package com.liferay.so.activities.portlet;

import com.liferay.message.boards.kernel.model.MBMessage;
import com.liferay.message.boards.kernel.model.MBMessageDisplay;
import com.liferay.message.boards.kernel.model.MBThread;
import com.liferay.message.boards.kernel.model.MBTreeWalker;
import com.liferay.message.boards.kernel.service.MBMessageLocalServiceUtil;
import com.liferay.message.boards.kernel.service.MBMessageServiceUtil;
import com.liferay.message.boards.kernel.util.comparator.MessageCreateDateComparator;
import com.liferay.microblogs.model.MicroblogsEntry;
import com.liferay.microblogs.model.MicroblogsEntryConstants;
import com.liferay.microblogs.service.MicroblogsEntryLocalServiceUtil;
import com.liferay.microblogs.service.MicroblogsEntryServiceUtil;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextFactory;
import com.liferay.portal.kernel.service.UserLocalServiceUtil;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.FastDateFormatFactoryUtil;
import com.liferay.portal.kernel.util.HtmlUtil;
import com.liferay.portal.kernel.util.ListUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Time;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.so.activities.util.ActivitiesUtil;
import com.liferay.social.kernel.model.SocialActivitySet;
import com.liferay.social.kernel.service.SocialActivitySetLocalServiceUtil;

import java.io.IOException;

import java.text.DateFormat;
import java.text.Format;

import java.util.Date;
import java.util.List;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;

/**
 * @author Matthew Kong
 */
public class ActivitiesPortlet extends MVCPortlet {

	public void getMBComments(
			SocialActivitySet activitySet, ResourceRequest resourceRequest,
			ResourceResponse resourceResponse)
		throws Exception {

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

		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

		JSONArray jsonArray = JSONFactoryUtil.createJSONArray();

		Object[] commentsClassNameAndClassPK =
			ActivitiesUtil.getCommentsClassNameAndClassPK(activitySet);

		String className = (String)commentsClassNameAndClassPK[0];
		long classPK = (Long)commentsClassNameAndClassPK[1];

		MBMessageDisplay mbMessageDisplay =
			MBMessageLocalServiceUtil.getDiscussionMessageDisplay(
				themeDisplay.getUserId(), activitySet.getGroupId(), className,
				classPK, WorkflowConstants.STATUS_APPROVED);

		MBTreeWalker mbTeeWalker = mbMessageDisplay.getTreeWalker();

		List<MBMessage> mbMessages = mbTeeWalker.getMessages();

		mbMessages = ListUtil.sort(
			mbMessages, new MessageCreateDateComparator(true));

		for (int i = 1; i < mbMessages.size(); i++) {
			MBMessage mbMessage = mbMessages.get(i);

			JSONObject messageJSONObject = getJSONObject(
				mbMessage.getMessageId(), mbMessage.getBody(),
				mbMessage.getModifiedDate(), mbMessage.getUserId(),
				mbMessage.getUserName(), themeDisplay);

			jsonArray.put(messageJSONObject);
		}

		jsonObject.put("comments", jsonArray);

		writeJSON(resourceRequest, resourceResponse, jsonObject);
	}

	public void getMicroblogsComments(
			SocialActivitySet activitySet, ResourceRequest resourceRequest,
			ResourceResponse resourceResponse)
		throws Exception {

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

		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

		JSONArray jsonArray = JSONFactoryUtil.createJSONArray();

		List<MicroblogsEntry> microblogsEntries =
			MicroblogsEntryLocalServiceUtil.
				getParentMicroblogsEntryMicroblogsEntries(
					MicroblogsEntryConstants.TYPE_REPLY,
					activitySet.getClassPK(), QueryUtil.ALL_POS,
					QueryUtil.ALL_POS);

		for (MicroblogsEntry microblogsEntry : microblogsEntries) {
			JSONObject microblogsEntryJSONObject = getJSONObject(
				microblogsEntry.getMicroblogsEntryId(),
				microblogsEntry.getContent(), microblogsEntry.getModifiedDate(),
				microblogsEntry.getUserId(), microblogsEntry.getUserName(),
				themeDisplay);

			jsonArray.put(microblogsEntryJSONObject);
		}

		jsonObject.put("comments", jsonArray);
		jsonObject.put("commentsCount", microblogsEntries.size());

		writeJSON(resourceRequest, resourceResponse, jsonObject);
	}

	@Override
	public void processAction(
			ActionRequest actionRequest, ActionResponse actionResponse)
		throws IOException, PortletException {

		String actionName = ParamUtil.getString(
			actionRequest, ActionRequest.ACTION_NAME);

		try {
			if (actionName.equals("repostMicroblogsEntry")) {
				repostMicroblogsEntry(actionRequest, actionResponse);
			}
			else if (actionName.equals("updateComment")) {
				String className = ParamUtil.getString(
					actionRequest, "className");

				if (className.equals(MicroblogsEntry.class.getName())) {
					updateMicroblogsComment(actionRequest, actionResponse);
				}
				else {
					updateMBComment(actionRequest, actionResponse);
				}
			}
		}
		catch (Exception e) {
			throw new PortletException(e);
		}
	}

	public void repostMicroblogsEntry(
			ActionRequest actionRequest, ActionResponse actionResponse)
		throws Exception {

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

		long microblogsEntryId = ParamUtil.getLong(
			actionRequest, "microblogsEntryId");

		MicroblogsEntry microblogsEntry =
			MicroblogsEntryLocalServiceUtil.getMicroblogsEntry(
				microblogsEntryId);

		ServiceContext serviceContext = ServiceContextFactory.getInstance(
			MicroblogsEntry.class.getName(), actionRequest);

		MicroblogsEntryServiceUtil.addMicroblogsEntry(
			themeDisplay.getUserId(), microblogsEntry.getContent(),
			MicroblogsEntryConstants.TYPE_REPOST,
			microblogsEntry.getMicroblogsEntryId(),
			microblogsEntry.getSocialRelationType(), serviceContext);
	}

	@Override
	public void serveResource(
			ResourceRequest resourceRequest, ResourceResponse resourceResponse)
		throws PortletException {

		try {
			String resourceID = resourceRequest.getResourceID();

			if (resourceID.equals("getComments")) {
				long activitySetId = ParamUtil.getLong(
					resourceRequest, "activitySetId");

				SocialActivitySet activitySet =
					SocialActivitySetLocalServiceUtil.fetchSocialActivitySet(
						activitySetId);

				if (activitySet == null) {
					return;
				}

				String className = activitySet.getClassName();

				if (className.equals(MicroblogsEntry.class.getName())) {
					getMicroblogsComments(
						activitySet, resourceRequest, resourceResponse);
				}
				else {
					getMBComments(
						activitySet, resourceRequest, resourceResponse);
				}
			}
			else {
				super.serveResource(resourceRequest, resourceResponse);
			}
		}
		catch (Exception e) {
			throw new PortletException(e);
		}
	}

	public void updateMBComment(
			ActionRequest actionRequest, ActionResponse actionResponse)
		throws Exception {

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

		String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

		String className = ParamUtil.getString(actionRequest, "className");
		long classPK = ParamUtil.getLong(actionRequest, "classPK");
		long mbMessageId = ParamUtil.getLong(
			actionRequest, "mbMessageIdOrMicroblogsEntryId");
		String body = ParamUtil.getString(actionRequest, "body");

		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

		try {
			MBMessage mbMessage = null;

			long groupId = themeDisplay.getScopeGroupId();

			ServiceContext serviceContext = ServiceContextFactory.getInstance(
				MBMessage.class.getName(), actionRequest);

			if (cmd.equals(Constants.DELETE)) {
				MBMessageServiceUtil.deleteDiscussionMessage(
					groupId, className, classPK, className, classPK,
					themeDisplay.getUserId(), mbMessageId);
			}
			else if (cmd.equals(Constants.EDIT) && (mbMessageId > 0)) {
				mbMessage = MBMessageServiceUtil.updateDiscussionMessage(
					className, classPK, mbMessageId, StringPool.BLANK, body,
					serviceContext);
			}
			else {
				MBMessageDisplay mbMessageDisplay =
					MBMessageLocalServiceUtil.getDiscussionMessageDisplay(
						themeDisplay.getUserId(), groupId, className, classPK,
						WorkflowConstants.STATUS_APPROVED);

				MBThread mbThread = mbMessageDisplay.getThread();

				MBTreeWalker mbTreeWalker = mbMessageDisplay.getTreeWalker();

				MBMessage rootMBMessage = mbTreeWalker.getRoot();

				mbMessage = MBMessageServiceUtil.addDiscussionMessage(
					groupId, className, classPK, mbThread.getThreadId(),
					rootMBMessage.getMessageId(), StringPool.BLANK, body,
					serviceContext);
			}

			if (mbMessage != null) {
				jsonObject = getJSONObject(
					mbMessage.getMessageId(), mbMessage.getBody(),
					mbMessage.getModifiedDate(), mbMessage.getUserId(),
					mbMessage.getUserName(), themeDisplay);
			}

			jsonObject.put("success", Boolean.TRUE);
		}
		catch (Exception e) {
			jsonObject.put("success", Boolean.FALSE);
		}

		writeJSON(actionRequest, actionResponse, jsonObject);
	}

	public void updateMicroblogsComment(
			ActionRequest actionRequest, ActionResponse actionResponse)
		throws Exception {

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

		String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

		long classPK = ParamUtil.getLong(actionRequest, "classPK");
		long microblogsEntryId = ParamUtil.getLong(
			actionRequest, "mbMessageIdOrMicroblogsEntryId");
		String body = ParamUtil.getString(actionRequest, "body");

		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

		try {
			MicroblogsEntry microblogsEntry = null;

			if (cmd.equals(Constants.DELETE)) {
				MicroblogsEntryServiceUtil.deleteMicroblogsEntry(
					microblogsEntryId);
			}
			else if (classPK > 0) {
				MicroblogsEntry currentMicroblogsEntry =
					MicroblogsEntryLocalServiceUtil.getMicroblogsEntry(classPK);

				ServiceContext serviceContext =
					ServiceContextFactory.getInstance(
						MicroblogsEntry.class.getName(), actionRequest);

				if (cmd.equals(Constants.EDIT) && (microblogsEntryId > 0)) {
					microblogsEntry =
						MicroblogsEntryServiceUtil.updateMicroblogsEntry(
							microblogsEntryId, body,
							currentMicroblogsEntry.getSocialRelationType(),
							serviceContext);
				}
				else {
					microblogsEntry =
						MicroblogsEntryServiceUtil.addMicroblogsEntry(
							themeDisplay.getUserId(), body,
							MicroblogsEntryConstants.TYPE_REPLY, classPK,
							currentMicroblogsEntry.getSocialRelationType(),
							serviceContext);
				}
			}

			if (microblogsEntry != null) {
				jsonObject = getJSONObject(
					microblogsEntry.getMicroblogsEntryId(),
					microblogsEntry.getContent(),
					microblogsEntry.getModifiedDate(),
					microblogsEntry.getUserId(), microblogsEntry.getUserName(),
					themeDisplay);
			}

			jsonObject.put("success", Boolean.TRUE);
		}
		catch (Exception e) {
			jsonObject.put("success", Boolean.FALSE);
		}

		writeJSON(actionRequest, actionResponse, jsonObject);
	}

	protected JSONObject getJSONObject(
			long mbMessageIdOrMicroblogsEntryId, String body, Date modifiedDate,
			long userId, String userName, ThemeDisplay themeDisplay)
		throws Exception {

		JSONObject jsonObject = JSONFactoryUtil.createJSONObject();

		jsonObject.put("body", HtmlUtil.escape(body));

		if ((userId <= 0) || (userId != themeDisplay.getUserId())) {
			jsonObject.put("commentControlsClass", "hide");
		}

		jsonObject.put(
			"mbMessageIdOrMicroblogsEntryId", mbMessageIdOrMicroblogsEntryId);

		Format dateFormat = FastDateFormatFactoryUtil.getDate(
			DateFormat.FULL, themeDisplay.getLocale(),
			themeDisplay.getTimeZone());

		jsonObject.put(
			"modifiedDate",
			Time.getRelativeTimeDescription(
				modifiedDate.getTime(), themeDisplay.getLocale(),
				themeDisplay.getTimeZone(), dateFormat));

		User user = UserLocalServiceUtil.fetchUser(userId);

		if (user != null) {
			jsonObject.put("userDisplayURL", user.getDisplayURL(themeDisplay));
			jsonObject.put(
				"userPortraitURL",
				HtmlUtil.escape(user.getPortraitURL(themeDisplay)));
		}

		jsonObject.put("userName", HtmlUtil.escape(userName));

		return jsonObject;
	}

}