ShopQuick - Rule 1

rule1.swift

class PrioritiesManager : ProductManager {
    
    static let sharedInstance = PrioritiesManager()
    
    var lastProductPurchased : Product?
    
    override init() {
        super.init()
        self.productsKey = "com.detroitlabs.shopfast.priorities"
        self.loadProductsFromDefaults()
    }
    
    func addProduct(product: Product) {
        
        let newProduct = Product(name: product.name, qty: 0)
        
        if let _ = lastProductPurchased,
            let index : Int = self.findIndexForProductName(lastProductPurchased!.name) {
            self.insertProduct(newProduct, atIndex: index + 1) // Rule #1
        }
        
        lastProductPurchased = product
        
        self.saveProductsToDefaults()
    
    }
}