FeedRouter with data passing

FeedRouter.swift

import Foundation

protocol FeedRoutingLogic: class {
    func routeToMovieDetail()
}

protocol FeedDataPassing: class {
    var dataStore: FeedDataStore? { get }
}

final class FeedRouter: FeedRoutingLogic, FeedDataPassing {
    
    weak var viewController: FeedViewController?
    var dataStore: FeedDataStore?
  
    func routeToMovieDetail() {
        let controller: MovieViewController = UIApplication.getViewController()
        controller.router?.dataStore?.movie = dataStore.selectedMovie
        viewController?.navigationController?.pushViewController(controller, animated: true)
    }
    
}