LikeCommentPlugin.java

package org.exoplatform.social.notification.plugin;

import org.exoplatform.commons.api.notification.NotificationContext;
import org.exoplatform.commons.api.notification.model.NotificationInfo;
import org.exoplatform.commons.api.notification.plugin.BaseNotificationPlugin;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.social.core.activity.model.ExoSocialActivity;
import org.exoplatform.social.notification.Utils;

import java.util.ArrayList;
import java.util.List;

/**
 * Notification plugin for Comments Likes
 */
public class LikeCommentPlugin extends BaseNotificationPlugin {

  public LikeCommentPlugin(InitParams initParams) {
    super(initParams);
  }

  public static final String ID = "LikeCommentPlugin";

  @Override
  public String getId() {
    return ID;
  }

  @Override
  public NotificationInfo makeNotification(NotificationContext ctx) {
    ExoSocialActivity activity = ctx.value(SocialNotificationUtils.ACTIVITY);

    String[] likersId = activity.getLikeIdentityIds();
    String liker = Utils.getUserId(likersId[likersId.length - 1]);

    List<String> toUsers = new ArrayList<String>();
    toUsers.add(Utils.getUserId(activity.getPosterId()));
    if (Utils.isSpaceActivity(activity) == false && liker.equals(activity.getStreamOwner()) == false) {
      toUsers.add(activity.getStreamOwner());
    }

    return NotificationInfo.instance()
            .to(Utils.getUserId(activity.getPosterId()))
            .with(SocialNotificationUtils.ACTIVITY_ID.getKey(), activity.getId())
            .with(SocialNotificationUtils.LIKER.getKey(), liker)
            .key(getId()).end();
  }

  @Override
  public boolean isValid(NotificationContext ctx) {
    ExoSocialActivity activity = ctx.value(SocialNotificationUtils.ACTIVITY);
    String[] likersId = activity.getLikeIdentityIds();
    if (activity.getPosterId().equals(likersId[likersId.length - 1])) {
      return false;
    }
    return true;
  }
}