extension BluemixDataManager{
    /**
     Method updates like
    id: Image ID
     */

    func updateLike(id:String) {
        let requestURL = getBluemixBaseRequestURL() + "/" + kImagesEndPoint + "/" + id // I tried but failed
        let request = Request(url: requestURL, method: HttpMethod.PUT)

        request.timeout = kDefaultTimeOut
        let imageDataArray = BluemixDataManager.SharedInstance.images
        for image in imageDataArray{
            if image.id == id {
                print("\(id)") // I can find out which image is being tapped
                let imageDictionary = ["_id": image.id, "_rev": image._rev, "fileName": image.fileName, "caption" : image.caption, "width" : image.width, "height" : image.height, "location" : ["name" : image.location.name, "latitude" : image.location.latitude, "longitude" : image.location.longitude], "like" : image.like + 1]


                do {
                    let jsonData = try NSJSONSerialization.dataWithJSONObject(imageDictionary, options: .PrettyPrinted)

                    request.sendData(jsonData, completionHandler: { (response, error) -> Void in
                        if let error = error {
                            print(NSLocalizedString("Update Like Fail:", comment: "") + " \(error.localizedDescription)") // this one called 
                        }
                    })

                } catch {
                    print(NSLocalizedString("Update Like Fail", comment: ""))
                }
            }
        }
    }
}