asutula

import Foundation
import UIKit

func viewController(forViewModel viewModel: Any) -> UIViewController? {
  switch viewModel {
  case let viewModel as RootViewModel:
    let viewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "rootViewController") as? RootViewController
    viewController?.viewModel = viewModel
    return viewController
  default:

asutula

import Foundation
import UIKit

class RootViewController: UINavigationController {
  
  var viewModel: RootViewModel!

}

asutula

import Foundation

class RootViewModel {
  
}

asutula

import Foundation
import UIKit
import RxSwift
import MapKit

class SetViewController: UIViewController, MKMapViewDelegate {
  var viewModel: SetViewModel!

  @IBOutlet weak var departingTimeLabel: UILabel!
  @IBOutlet weak var departingPlaceLabel: UILabel!

asutula

import Foundation
import RxSwift
import Set
import CoreLocation

class SetViewModel {

  // The possible events our view controller and view model can trigger
  enum Event {
    case logOut

asutula

...

class RootViewModel {

  ...

  func createSetViewModel() -> SetViewModel {
    let setViewModel = SetViewModel()
    setViewModel.events
      .subscribe(onNext: { [weak self] event in

asutula

...

class LoginViewModel {

  ...

  enum Event {
    case loggedIn(phoneNumber: String)
  }

asutula

import Foundation
import UIKit
import RxSwift
import RxCocoa

class LoginViewController: UIViewController {
  var viewModel: LoginViewModel!

  @IBOutlet weak var textField: UITextField!
  @IBOutlet weak var button: UIButton!

asutula

import Foundation
import RxSwift
import Set

class LoginViewModel {

  enum Event {
    case loggedIn(phoneNumber: String)
  }

asutula

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
  
  var window: UIWindow? 
  
  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    window = UIWindow(frame: UIScreen.main.bounds)
    window?.rootViewController = viewController(forViewModel: RootViewModel())