func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    return UITableViewAutomaticDimension
}

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return array.count;
}


func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCell(withIdentifier: "xxxxx", for:indexPath) as! xxxxxxxx

    return cell;
}



func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
    if scrollView == tableView {
        if ((scrollView.contentOffset.y + scrollView.frame.size.height) >= scrollView.contentSize.height) {
            print("Scroll Ended")
            fetchDataFromApi()
        }
    }
}


func fetchDataFromApi() {

    let jsonUrlString = "xxxxxxx"


    guard let url = URL(string: jsonUrlString) else {
        return
    }

    print(url)

    URLSession.shared.dataTask(with: url) {(data,response,err) in

        guard let data = data else {
            return
        }
        do {
            let apiResponseData = try JSONDecoder().decode(ApiResponse.self, from: data)

            if apiResponseData.httpStatusCode == HttpStatusCode.OK {

                if let apiResponse = apiResponseData.data{
                    self.array.append(contentsOf: apiResponse)
                }


                DispatchQueue.main.async {
                    self.tableView.reloadData()
                }

            }
            else {
                print("API Response Error : (apiResponseData.httpStatusCode) (apiResponseData.errorMessage)")
            }
        }catch let jsonErr {
            print("Serialization Error (jsonErr)")
        }
        }.resume()
}}