/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.streams.gplus.serializer.util;
import org.apache.streams.exceptions.ActivitySerializerException;
import org.apache.streams.pojo.extensions.ExtensionUtil;
import org.apache.streams.pojo.json.Activity;
import org.apache.streams.pojo.json.ActivityObject;
import org.apache.streams.pojo.json.Image;
import org.apache.streams.pojo.json.Provider;
import com.google.api.services.plus.model.Comment;
import com.google.api.services.plus.model.Person;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* GooglePlusActivityUtil helps convert c.g.Person and c.g.Activity into o.a.s.p.j.o.Page and o.a.s.p.j.Activity.
*/
public class GooglePlusActivityUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(GooglePlusActivityUtil.class);
/**
* Given a {@link Person} object and an
* {@link Activity} object, fill out the appropriate details.
*
* @param item Person
* @param activity Activity
* @throws ActivitySerializerException ActivitySerializerException
*/
public static void updateActivity(Person item, Activity activity) throws ActivitySerializerException {
activity.setActor(buildActor(item));
activity.setVerb("update");
activity.setId(formatId(activity.getVerb(), Optional.ofNullable(item.getId()).orElse(null)));
activity.setProvider(getProvider());
}
/**
* Given a {@link List} of {@link Comment} objects and an
* {@link Activity}, update that Activity to contain all comments
*
* @param comments input List of Comment
* @param activity output Activity
*/
public static void updateActivity(List<Comment> comments, Activity activity) {
for (Comment comment : comments) {
addComment(activity, comment);
}
Map<String, Object> extensions = ExtensionUtil.getInstance().ensureExtensions(activity);
extensions.put("comment_count", comments.size());
}
/**
* Given a Google Plus {@link com.google.api.services.plus.model.Activity},
* convert that into an Activity streams formatted {@link Activity}
*
* @param gPlusActivity input c.g.a.s.p.m.Activity
* @param activity output o.a.s.p.j.Activity
*/
public static void updateActivity(com.google.api.services.plus.model.Activity gPlusActivity, Activity activity) {
activity.setActor(buildActor(gPlusActivity.getActor()));
activity.setVerb("post");
activity.setTitle(gPlusActivity.getTitle());
activity.setUrl(gPlusActivity.getUrl());
activity.setProvider(getProvider());
if (gPlusActivity.getObject() != null) {
activity.setContent(gPlusActivity.getObject().getContent());
}
activity.setId(formatId(activity.getVerb(), Optional.ofNullable(gPlusActivity.getId()).orElse(null)));
DateTime published = new DateTime(String.valueOf(gPlusActivity.getPublished()));
activity.setPublished(published);
setObject(activity, gPlusActivity.getObject());
addGPlusExtensions(activity, gPlusActivity);
}
/**
* Adds a single {@link Comment} to the Object.Attachments
* section of the passed in {@link Activity}
*
* @param activity output o.a.s.p.j.Activity
* @param comment input c.g.a.s.p.m.Comment
*/
private static void addComment(Activity activity, Comment comment) {
ActivityObject obj = new ActivityObject();
obj.setId(comment.getId());
obj.setPublished(new DateTime(String.valueOf(comment.getPublished())));
obj.setUpdated(new DateTime(String.valueOf(comment.getUpdated())));
obj.setContent(comment.getObject().getContent());
obj.setObjectType(comment.getObject().getObjectType());
Map<String, Object> extensions = new HashMap<>();
extensions.put("googlePlus", comment);
obj.setAdditionalProperty("extensions", extensions);
if (activity.getObject() == null) {
activity.setObject(new ActivityObject());
}
if (activity.getObject().getAttachments() == null) {
activity.getObject().setAttachments(new ArrayList<>());
}
activity.getObject().getAttachments().add(obj);
}
/**
* Add in necessary extensions from the passed in {@link com.google.api.services.plus.model.Activity} to the
* {@link Activity} object
*
* @param activity output o.a.s.p.j.Activity
* @param gPlusActivity input c.g.a.s.p.m.Activity
*/
private static void addGPlusExtensions(Activity activity, com.google.api.services.plus.model.Activity gPlusActivity) {
activity.getAdditionalProperties().put("googlePlus", gPlusActivity);
Map<String, Object> extensions = ExtensionUtil.getInstance().ensureExtensions(activity);
com.google.api.services.plus.model.Activity.PlusObject object = gPlusActivity.getObject();
if (object != null) {
com.google.api.services.plus.model.Activity.PlusObject.Plusoners plusoners = object.getPlusoners();
if (plusoners != null) {
Map<String, Object> likes = new HashMap<>();
likes.put("count", plusoners.getTotalItems());
extensions.put("likes", likes);
}
com.google.api.services.plus.model.Activity.PlusObject.Resharers resharers = object.getResharers();
if (resharers != null) {
Map<String, Object> rebroadcasts = new HashMap<>();
rebroadcasts.put("count", resharers.getTotalItems());
extensions.put("rebroadcasts", rebroadcasts);
}
extensions.put("keywords", object.getContent());
}
}
/**
* Set the {@link ActivityObject} field given the passed in
* {@link com.google.api.services.plus.model.Activity.PlusObject}
*
* @param activity output $.object as o.a.s.p.j.ActivityObject
* @param plusObject input c.g.a.s.p.m.Activity.PlusObject
*/
private static void setObject(Activity activity, com.google.api.services.plus.model.Activity.PlusObject plusObject) {
if (plusObject != null) {
ActivityObject activityObject = new ActivityObject();
activityObject.setContent(plusObject.getContent());
activityObject.setObjectType(plusObject.getObjectType());
List<ActivityObject> attachmentsList = new ArrayList<>();
for (com.google.api.services.plus.model.Activity.PlusObject.Attachments attachments : plusObject.getAttachments()) {
ActivityObject attach = new ActivityObject();
attach.setContent(attachments.getContent());
attach.setDisplayName(attachments.getDisplayName());
attach.setObjectType(attachments.getObjectType());
attach.setUrl(attachments.getUrl());
Image image = new Image();
com.google.api.services.plus.model.Activity.PlusObject.Attachments.Image image1 = attachments.getImage();
if (image1 != null) {
image.setUrl(image1.getUrl());
attach.setImage(image);
}
attachmentsList.add(attach);
}
activityObject.setAttachments(attachmentsList);
activity.setObject(activityObject);
}
}
/**
* Given a {@link com.google.api.services.plus.model.Activity.Actor} object, return a fully fleshed
* out {@link ActivityObject} actor
*
* @param gPlusActor input c.g.a.s.p.m.Activity.Actor
* @return {@link ActivityObject} output $.actor as o.a.s.p.j.ActivityObject
*/
private static ActivityObject buildActor(com.google.api.services.plus.model.Activity.Actor gPlusActor) {
ActivityObject actor = new ActivityObject();
actor.setDisplayName(gPlusActor.getDisplayName());
actor.setId(formatId(String.valueOf(gPlusActor.getId())));
actor.setUrl(gPlusActor.getUrl());
Image image = new Image();
com.google.api.services.plus.model.Activity.Actor.Image googlePlusImage = gPlusActor.getImage();
if (googlePlusImage != null) {
image.setUrl(googlePlusImage.getUrl());
}
actor.setImage(image);
return actor;
}
/**
* Extract the relevant details from the passed in {@link Person} object and build
* an actor with them
*
* @param person Person
* @return Actor constructed with relevant Person details
*/
private static ActivityObject buildActor(Person person) {
ActivityObject actor = new ActivityObject();
actor.setUrl(person.getUrl());
actor.setDisplayName(person.getDisplayName());
actor.setId(formatId(String.valueOf(person.getId())));
if (person.getAboutMe() != null) {
actor.setSummary(person.getAboutMe());
} else if (person.getTagline() != null) {
actor.setSummary(person.getTagline());
}
Image image = new Image();
Person.Image googlePlusImage = person.getImage();
if (googlePlusImage != null) {
image.setUrl(googlePlusImage.getUrl());
}
actor.setImage(image);
Map<String, Object> extensions = new HashMap<>();
extensions.put("followers", person.getCircledByCount());
extensions.put("googleplus", person);
actor.setAdditionalProperty("extensions", extensions);
return actor;
}
/**
* Gets the common googleplus {@link Provider} object
* @return a provider object representing GooglePlus
*/
public static Provider getProvider() {
Provider provider = new Provider();
provider.setId("id:providers:googleplus");
provider.setDisplayName("GooglePlus");
return provider;
}
/**
* Formats the ID to conform with the Apache Streams activity ID convention
* @param idparts the parts of the ID to join
* @return a valid Activity ID in format "id:googleplus:part1:part2:...partN"
*/
public static String formatId(String... idparts) {
return String.join(":",
Stream.concat(Arrays.stream(new String[]{"id:googleplus"}), Arrays.stream(idparts)).collect(Collectors.toList()));
}
}