Comment.java

package com.sromku.simple.fb.entities;

import java.util.List;

import com.facebook.model.GraphObject;
import com.sromku.simple.fb.utils.Utils;
import com.sromku.simple.fb.utils.Utils.Converter;

/**
 * @author sromku
 * @see https://developers.facebook.com/docs/graph-api/reference/comment
 */
public class Comment {

	private static final String ID = "id";
	private static final String CAN_COMMENT = "can_comment";
	private static final String CAN_REMOVE = "can_remove";
	private static final String COMMENT_COUNT = "comment_count";
	private static final String CREATED_TIME = "created_time";
	private static final String FROM = "from";
	private static final String LIKE_COUNT = "like_count";
	private static final String MESSAGE = "message";
	private static final String MESSAGE_TAGS = "message_tags";
	private static final String PARENT = "parent";
	private static final String USER_LIKES = "user_likes";

	// TODO
	@SuppressWarnings("unused")
	private static final String ATTACHMENT = "attachment";

	private String mId;
	private Boolean mCanComment;
	private Boolean mCanRemove;
	private Integer mCommentCount;
	private Long mCreatedTime;
	private User mFrom;
	private Integer mLikeCount;
	private String mMessage;
	private List<String> mMessageTags;
	private Comment mParent;
	private Boolean mUserLikes;

	private Comment(GraphObject graphObject) {
		// id
		mId = Utils.getPropertyString(graphObject, ID);

		// can comment
		mCanComment = Utils.getPropertyBoolean(graphObject, CAN_COMMENT);

		// can remove
		mCanRemove = Utils.getPropertyBoolean(graphObject, CAN_REMOVE);

		// comment count
		mCommentCount = Utils.getPropertyInteger(graphObject, COMMENT_COUNT);

		// created time
		mCreatedTime = Utils.getPropertyLong(graphObject, CREATED_TIME);

		// from
		mFrom = Utils.createUser(graphObject, FROM);

		// like count
		mLikeCount = Utils.getPropertyInteger(graphObject, LIKE_COUNT);

		// message
		mMessage = Utils.getPropertyString(graphObject, MESSAGE);

		// message tags
		mMessageTags = Utils.createList(graphObject, MESSAGE_TAGS, new Converter<String>() {
			@Override
			public String convert(GraphObject graphObject) {
				return graphObject.toString();
			}
		});

		// parent
		GraphObject commentGraph = Utils.getPropertyGraphObject(graphObject, PARENT);
		if (commentGraph != null) {
			mParent = Comment.create(commentGraph);
		}

		// user likes
		mUserLikes = Utils.getPropertyBoolean(graphObject, USER_LIKES);
	}

	public static Comment create(GraphObject graphObject) {
		return new Comment(graphObject);
	}

	/**
	 * The comment Id.
	 */
	public String getId() {
		return mId;
	}

	/**
	 * Whether the viewer can reply to this comment.
	 */
	public Boolean getCanComment() {
		return mCanComment;
	}

	/**
	 * Whether the viewer can remove this comment.
	 */
	public Boolean getCanRemove() {
		return mCanRemove;
	}

	/**
	 * Number of replies to this comment.
	 */
	public Integer getCommentCount() {
		return mCommentCount;
	}

	/**
	 * The time this comment was made.
	 */
	public Long getCreatedTime() {
		return mCreatedTime;
	}

	/**
	 * The person that made this comment.
	 */
	public User getFrom() {
		return mFrom;
	}

	/**
	 * Number of times this comment was liked.
	 */
	public Integer getLikeCount() {
		return mLikeCount;
	}

	/**
	 * The comment text.
	 */
	public String getMessage() {
		return mMessage;
	}

	/**
	 * Profiles tagged in mentions in the message.
	 */
	public List<String> getMessageTags() {
		return mMessageTags;
	}

	/**
	 * For comment replies, this the comment that this is a reply to.
	 */
	public Comment getParent() {
		return mParent;
	}

	/**
	 * Whether the viewer has liked this comment.
	 */
	public Boolean getUserLikes() {
		return mUserLikes;
	}
}