JeremyXue77

protocol NibOwnerLoadable: AnyObject {
    static var nib: UINib { get }
}

// MARK: - Default implmentation
extension NibOwnerLoadable {
    
    static var nib: UINib {
        UINib(nibName: String(describing: self), bundle: Bundle(for: self))
    }

JeremyXue77

func dismissAndPresent() {
    weak var pvc = self.presentingViewController
    self.dismiss(animated: true, completion: {
        let vc = ViewController()
        pvc?.present(vc, animated: true, completion: nil)
    })
}

JeremyXue77

func dismissToRootVC() {
  self.view.window!.rootViewController?.dismiss(animated: false, completion: nil)
}

JeremyXue77

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        launchScreenAnimation()
    }
    
    private func launchScreenAnimation() {
        guard let launchScreen = UIStoryboard(name: "LaunchScreen", bundle: nil).instantiateInitialViewController() else { return }
        self.view.addSubview(launchScreen.view)

JeremyXue77

var networkManager: NetworkManager!

override func viewDidLoad() {
    super.viewDidLoad()

    networkManager.getNewMovies(page: 1) { movies, error in
        if let error = error {
            print(error)
        }
        if let movies = movies {

JeremyXue77

// 定義 getNewMovies 函數，其中包含頁數、和 [Movie]? 錯誤訊息(String?)的 Completion。
func getNewMovies(page: Int, completion: @escaping (_ movie: [Movie]?,_ error: String?)->()){
    // 調用 Router，在一個閉包裡傳送 page 和處理 Completion。
    router.request(.newMovies(page: page)) { data, response, error in
        // 如果沒有網路、或其他原因而無法呼叫 API，URLSession 會回傳一個錯誤。
        if error != nil {
            // 注意這並不是 API 錯誤，而是用戶端的錯誤，而且很可能是因為網路連線不穩。
            completion(nil, "Please check your network connection.")
        }
        // 因為要判斷 Status Code，所以我們需要將 response 轉型成 HTTPURLResponse。

JeremyXue77

fileprivate func handleNetworkResponse(_ response: HTTPURLResponse) -> Result<String>{
    switch response.statusCode {
    case 200...299: return .success
    case 401...500: return .failure(NetworkResponse.authenticationError.rawValue)
    case 501...599: return .failure(NetworkResponse.badRequest.rawValue)
    case 600: return .failure(NetworkResponse.outdated.rawValue)
    default: return .failure(NetworkResponse.failed.rawValue)
    }
}

JeremyXue77

struct MovieApiResponse {
    let page: Int
    let numberOfResults: Int
    let numberOfPages: Int
    let movies: [Movie]
}

extension MovieApiResponse: Decodable {
    
    private enum MovieApiResponseCodingKeys: String, CodingKey {

JeremyXue77

extension MovieApi: EndPointType {
    
    var environmentBaseURL : String {
        switch NetworkManager.environment {
        case .production: return "https://api.themoviedb.org/3/movie/"
        case .qa: return "https://qa.themoviedb.org/3/movie/"
        case .staging: return "https://staging.themoviedb.org/3/movie/"
        }
    }
    

JeremyXue77

func request(_ route: EndPoint, completion: @escaping NetworkRouterCompletion) {
    let session = URLSession.shared
    do {
        // 要建立 Request，我們會調用 buildRequest，並透過一個 route(即是 EndPoint) 來生成。
        let request = try buildRequest(from: route)
        task = session.dataTask(with: request, completionHandler: { (data, response, error) in
            // 將 data、response、error 傳回 Completion                                      
            completion(data, response, error)
        })
    } catch {