com.liferay.mentions.util.MentionsNotifier.java Source code

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Here is the source code for com.liferay.mentions.util.MentionsNotifier.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.mentions.util;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.PrefsPropsUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.model.User;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.UserLocalServiceUtil;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.SubscriptionSender;
import com.liferay.portlet.asset.AssetRendererFactoryRegistryUtil;
import com.liferay.portlet.asset.model.AssetRendererFactory;
import com.liferay.portlet.social.util.SocialInteractionsConfiguration;
import com.liferay.portlet.social.util.SocialInteractionsConfigurationUtil;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Sergio Gonzlez
 */
public class MentionsNotifier {

    public void notify(long userId, long groupId, String content, String className, long classPK, String subject,
            String body, ServiceContext serviceContext) throws PortalException {

        String[] mentionedUsersScreenNames = getMentionedUsersScreenNames(userId, content);

        if (ArrayUtil.isEmpty(mentionedUsersScreenNames)) {
            return;
        }

        User user = UserLocalServiceUtil.getUser(userId);

        String contentURL = (String) serviceContext.getAttribute("contentURL");

        String messageUserEmailAddress = PortalUtil.getUserEmailAddress(userId);
        String messageUserName = PortalUtil.getUserName(userId, StringPool.BLANK);

        String fromName = PrefsPropsUtil.getString(user.getCompanyId(), PropsKeys.ADMIN_EMAIL_FROM_NAME);
        String fromAddress = PrefsPropsUtil.getString(user.getCompanyId(), PropsKeys.ADMIN_EMAIL_FROM_ADDRESS);

        SubscriptionSender subscriptionSender = new SubscriptionSender();

        subscriptionSender.setBody(body);
        subscriptionSender.setClassName(className);
        subscriptionSender.setClassPK(classPK);
        subscriptionSender.setCompanyId(user.getCompanyId());
        subscriptionSender.setContextAttribute("[$CONTENT$]", content, false);
        subscriptionSender.setContextAttributes("[$ASSET_ENTRY_NAME$]",
                getAssetEntryName(className, serviceContext), "[$USER_ADDRESS$]", messageUserEmailAddress,
                "[USER_NAME$]", messageUserName, "[$CONTENT_URL$]", contentURL);
        subscriptionSender.setEntryTitle(content);
        subscriptionSender.setEntryURL(contentURL);
        subscriptionSender.setFrom(fromAddress, fromName);
        subscriptionSender.setHtmlFormat(true);
        subscriptionSender.setMailId("mb_discussion", classPK);
        subscriptionSender.setNotificationType(MentionsConstants.NOTIFICATION_TYPE_MENTION);
        subscriptionSender.setPortletId(PortletKeys.MENTIONS);
        subscriptionSender.setScopeGroupId(groupId);
        subscriptionSender.setServiceContext(serviceContext);
        subscriptionSender.setSubject(subject);
        subscriptionSender.setUserId(userId);

        for (int i = 0; i < mentionedUsersScreenNames.length; i++) {
            String mentionedUserScreenName = mentionedUsersScreenNames[i];

            User mentionedUser = UserLocalServiceUtil.fetchUserByScreenName(user.getCompanyId(),
                    mentionedUserScreenName);

            if (mentionedUser == null) {
                continue;
            }

            subscriptionSender.addRuntimeSubscribers(mentionedUser.getEmailAddress(), mentionedUser.getFullName());
        }

        subscriptionSender.flushNotificationsAsync();
    }

    protected String getAssetEntryName(String className, ServiceContext serviceContext) {

        AssetRendererFactory assetRendererFactory = AssetRendererFactoryRegistryUtil
                .getAssetRendererFactoryByClassName(className);

        if (assetRendererFactory != null) {
            return assetRendererFactory.getTypeName(serviceContext.getLocale());
        }

        return StringPool.BLANK;
    }

    protected String[] getMentionedUsersScreenNames(long userId, String content) throws PortalException {

        User user = UserLocalServiceUtil.getUser(userId);

        SocialInteractionsConfiguration socialInteractionsConfiguration = SocialInteractionsConfigurationUtil
                .getSocialInteractionsConfiguration(user.getCompanyId(), PortletKeys.MENTIONS);

        Matcher matcher = _pattern.matcher(content);

        Set<String> mentionedUsersScreenNames = new HashSet<String>();

        while (matcher.find()) {
            String mentionedUserScreenName = matcher.group(2);

            List<User> users = MentionsUserFinderUtil.getUsers(user.getCompanyId(), userId, mentionedUserScreenName,
                    socialInteractionsConfiguration);

            for (User curUser : users) {
                if (mentionedUserScreenName.equals(curUser.getScreenName())) {
                    mentionedUsersScreenNames.add(mentionedUserScreenName);

                    break;
                }
            }
        }

        return mentionedUsersScreenNames.toArray(new String[mentionedUsersScreenNames.size()]);
    }

    private static Pattern _pattern = Pattern.compile("(?:\\s|^|\\]|>)(@([^(?:@|>|\\[|\\s|,|.|<)]+))",
            Pattern.CASE_INSENSITIVE);

}