org.sonar.server.issue.notification.ChangesOnMyIssueNotificationDispatcher.java Source code

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Here is the source code for org.sonar.server.issue.notification.ChangesOnMyIssueNotificationDispatcher.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program 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 3 of the License, or (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.server.issue.notification;

import com.google.common.collect.Multimap;
import java.util.Collection;
import java.util.Objects;
import javax.annotation.Nullable;
import org.sonar.api.notifications.Notification;
import org.sonar.api.notifications.NotificationChannel;
import org.sonar.server.notification.NotificationDispatcher;
import org.sonar.server.notification.NotificationDispatcherMetadata;
import org.sonar.server.notification.NotificationManager;

/**
 * This dispatcher means: "notify me when a change is done on an issue that is assigned to me or reported by me".
 *
 * @since 3.6, but the feature exists since 2.10 ("review-changed" notification)
 */
public class ChangesOnMyIssueNotificationDispatcher extends NotificationDispatcher {

    public static final String KEY = "ChangesOnMyIssue";
    private NotificationManager notificationManager;

    public ChangesOnMyIssueNotificationDispatcher(NotificationManager notificationManager) {
        super(IssueChangeNotification.TYPE);
        this.notificationManager = notificationManager;
    }

    @Override
    public String getKey() {
        return KEY;
    }

    public static NotificationDispatcherMetadata newMetadata() {
        return NotificationDispatcherMetadata.create(KEY)
                .setProperty(NotificationDispatcherMetadata.GLOBAL_NOTIFICATION, String.valueOf(true))
                .setProperty(NotificationDispatcherMetadata.PER_PROJECT_NOTIFICATION, String.valueOf(true));
    }

    @Override
    public void dispatch(Notification notification, Context context) {
        String projectKey = notification.getFieldValue("projectKey");
        Multimap<String, NotificationChannel> subscribedRecipients = notificationManager
                .findNotificationSubscribers(this, projectKey);

        // See available fields in the class IssueNotifications.

        // All the following users can be null
        String changeAuthor = notification.getFieldValue("changeAuthor");
        String assignee = notification.getFieldValue("assignee");

        if (!Objects.equals(changeAuthor, assignee)) {
            addUserToContextIfSubscribed(context, assignee, subscribedRecipients);
        }
    }

    private static void addUserToContextIfSubscribed(Context context, @Nullable String user,
            Multimap<String, NotificationChannel> subscribedRecipients) {
        if (user != null) {
            Collection<NotificationChannel> channels = subscribedRecipients.get(user);
            for (NotificationChannel channel : channels) {
                context.addUser(user, channel);
            }
        }
    }
}