adriatikgashi

protocol Shipping {
    func getCost(forOrder order: Order) -> Double
}

class GroundShipping: Shipping {
    
    func getCost(forOrder order: Order) -> Double {
        if order.getTotal() > 100 {
            return 0
        }

adriatikgashi

struct Order {
    
    let lineItems: [String]
    let shipping: String
    
    func getShippingCost() -> Double {
        if shipping == "ground" {
            if getTotal() > 100 {
                return 0
            }

adriatikgashi

class MainViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        checkForUpdate()
    }
    
    private func checkForUpdate() {
        ForceUpdateManager.shared.callback = { [unowned self] (appStoreUrl, isRequiredUpdate) -> Void in

adriatikgashi

enum AppVersionComparisonResult {
    case greater
    case smaller
    case equal
    case unknown
}

class AppVersion {
    var major: Int?
    var minor: Int?

adriatikgashi

import Foundation
import FirebaseRemoteConfig

class ForceUpdateManager {
    
    // MARK: - Static
    static var shared: ForceUpdateManager = ForceUpdateManager()
    
    var callback: ((_ appStoreUrl: String, _ isRequired: Bool) -> Void)?
    

adriatikgashi

class Person {
    
    let name: String
    var iphone: iPhone?
    
    init(name: String, iphone: iPhone?) {
        self.name = name
        self.iphone = iphone
    }