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import UIKit
final class MovieTableViewCell: UITableViewCell {
struct ViewModel {
let title: String
}
func bind(_ viewModel: ViewModel) {
textLabel?.text = viewModel.title
}
}
extension MovieTableViewCell.ViewModel {
init(_ movie: Movie) {
self.title = movie.title
}
}
final class HomeViewController: UIViewController {
private let dependencies: HomeViewControllerDependencyResolver
private var movies = [Movie]()
// weaver: movieManager = MovieManager
// weaver: movieController = MovieViewController <- UIViewController
// weaver: movieController.scope = .transient
private lazy var tableView: UITableView = {
let tableView = UITableView()
tableView.backgroundColor = .white
tableView.delegate = self
tableView.dataSource = self
tableView.register(MovieTableViewCell.self, forCellReuseIdentifier: "\(MovieTableViewCell.self)")
return tableView
}()
required init(injecting dependencies: HomeViewControllerDependencyResolver) {
self.dependencies = dependencies
super.init(nibName: nil, bundle: nil)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .white
edgesForExtendedLayout = []
view.addSubview(tableView)
tableView.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
tableView.topAnchor.constraint(equalTo: view.topAnchor),
tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor)
])
dependencies.movieManager.getDiscoverMovies { page in
guard let page = page else {
return
}
self.movies = page.results
self.tableView.reloadData()
}
}
}
extension HomeViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let movie = movies[indexPath.row]
let controller = dependencies.movieController(movie: movie)
navigationController?.pushViewController(controller, animated: true)
tableView.deselectRow(at: indexPath, animated: true)
}
}
extension HomeViewController: UITableViewDataSource {
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return movies.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
guard let cell = tableView.dequeueReusableCell(withIdentifier: "\(MovieTableViewCell.self)", for: indexPath) as? MovieTableViewCell else {
fatalError("Inconsitent data source")
}
let movie = movies[indexPath.row]
let viewModel = MovieTableViewCell.ViewModel(movie)
cell.bind(viewModel)
return cell
}
}
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