extension UIImageView {
    func downloadImage(link: String) {
        guard let url = URL(string: link) else { return }
        URLSession.shared.dataTask(with: url) { (data, _, error) in
            guard let data = data , error == nil, let image = UIImage(data: data) else { return }
            DispatchQueue.main.async {
                self.image = image
            }
        }.resume()
    }
}