CommentsApi.java

/**
 ** Copyright (c) 2010 Ushahidi Inc
 ** All rights reserved
 ** Contact: team@ushahidi.com
 ** Website: http://www.ushahidi.com
 **
 ** GNU Lesser General Public License Usage
 ** This file may be used under the terms of the GNU Lesser
 ** General Public License version 3 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL included in the
 ** packaging of this file. Please review the following information to
 ** ensure the GNU Lesser General Public License version 3 requirements
 ** will be met: http://www.gnu.org/licenses/lgpl.html.
 **
 **
 ** If you have questions regarding the use of this file, please contact
 ** Ushahidi developers at team@ushahidi.com.
 **
 **/
package com.ushahidi.android.app.api;

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

import com.google.gson.JsonSyntaxException;
import com.ushahidi.android.app.database.Database;
import com.ushahidi.android.app.entities.CommentEntity;
import com.ushahidi.android.app.util.Util;
import com.ushahidi.java.sdk.UshahidiException;
import com.ushahidi.java.sdk.api.CommentFields;
import com.ushahidi.java.sdk.api.json.Response;
import com.ushahidi.java.sdk.api.tasks.CommentsTask;

/**
 * 
 * Handles all comments API related task
 * 
 */
public class CommentsApi extends UshahidiApi {

	private boolean processingResult;

	private List<CommentEntity> comments;

	private CommentsTask task;

	public CommentsApi() {
		processingResult = true;
		comments = new ArrayList<CommentEntity>();
		task = factory.createCommentTask();
	}

	/**
	 * Fetch report's comments using the Ushahidi API
	 * 
	 * @param reportId
	 *            The report ID
	 * @return
	 */
	public List<CommentEntity> getCommentsList(int reportId) {
		new Util().log("Save comments");
		if (processingResult) {
			try {
				for (com.ushahidi.java.sdk.api.Comment c : task
						.reportId(reportId)) {
					CommentEntity comment = new CommentEntity();
					comment.addComment(c);
					comments.add(comment);
				}
			} catch (UshahidiException e) {
				processingResult = false;
				log("CommentsApi getCommentsList",e);
			}catch(JsonSyntaxException e) {
				
				processingResult = false;
				log("CommentsApi getCommentsList",e);
			}
		}
		return comments;

	}

	/**
	 * Submit a comment to an existing report.
	 * 
	 * @return {@link Response} The response from the server.
	 */
	public Response submit(CommentFields comment) {
		try {
			return task.submit(comment);
		}catch(UshahidiException e) {
			new Util().log("CommentsApi Submit",e);
		}
		return null;
	}

	/**
	 * Save report comments into the database
	 * 
	 * @param reportId
	 * 
	 * @return boolean
	 */
	public boolean saveComments(int reportId) {
		List<CommentEntity> comments = getCommentsList(reportId);

		if (comments != null && comments.size() > 0) {
			// remove existing comments
			for (CommentEntity comment : comments) {
				Database.mCommentDao.deleteCommentByReportId(comment
						.getReportId());
			}
			return Database.mCommentDao.addComment(comments);
		}

		return false;
	}

}