rac-naive-fixed.swift

final class ProductTableViewCell: UITableViewCell {

    @IBOutlet var label: UILabel!
    @IBOutlet var imageView: UIImageView!
    @IBOutlet var titleLabel: UILabel!

    let viewModel: MutableProperty<Product?>
    var disposable: Disposable?
    
    deinit() {
        disposable?.dispose()
    }
    
    func awakeFromNib() {  
        super.awakeFromNib()
        self.viewModel.producer.startWithValues { [weak self] maybeAViewModel in
            if let aViewModel = maybeAViewModel {
                self?.titleLabel.text = aViewModel.title
                self?.label.text = aViewModel.text
                self?.disposable?.dispose()
                self?.imageView.image = nil // display a placeholder
                self?.disposable = downloadImage(aViewModel.imageUrl).startWithValues { 
                    [weak self] anImage in
                    self?.imageView.image = anImage
                }
            }
        }
    }
    
}