ctrevarthen

    func removeProduct(product: Product) {
        
        let index = self.products.indexOf { (p : Product) -> Bool in
            return product.name == p.name
        }
        
        if index != nil {
            self.products.removeAtIndex(index!)
        }
        

ctrevarthen

    func tableView(tableView: UITableView, canEditRowAtIndexPath indexPath: NSIndexPath) -> Bool {
        return true
    }
    
    func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
        
        if editingStyle == UITableViewCellEditingStyle.Delete {
            
            if let removedCell = tableView.cellForRowAtIndexPath(indexPath) as? ProductCell {
                let removedProduct = Product(name: removedCell.productNameLabel.text!, qty: 1)

ctrevarthen

class ProductManager {
    
    var products : [Product] = []
    
    var productsKey : String = "products"
    
    let userDefaults = NSUserDefaults.standardUserDefaults()
    
    func saveProductsToDefaults() {
        let productsKeyedArchive = NSKeyedArchiver.archivedDataWithRootObject(self.products)

ctrevarthen

class Product : NSObject, NSCoding {
    
    let nameKey = "name"
    let qtyKey = "qty"
    
    var name : String = ""
    var qty : Int = 0
    
    required init(coder aDecoder: NSCoder) {
        if let name = aDecoder.decodeObjectForKey(nameKey) as? String {