atulkhatri

window = UIWindow(frame: UIScreen.main.bounds)
let controller = HomeViewController(nibName: "HomeViewController", bundle: nil)
window?.rootViewController = controller
window?.makeKeyAndVisible()

atulkhatri

private func setupView() {
    let moviesVC = HomeViewController(nibName: "HomeViewController", bundle: nil)
    moviesVC.title = "Movies"
    let seriesVC = HomeViewController(nibName: "HomeViewController", bundle: nil)
    seriesVC.title = "Series"
    let settingsVC = SettingsViewController(nibName: "SettingsViewController", bundle: nil)
    settingsVC.title = "Settings"
    viewControllers = [moviesVC, seriesVC, settingsVC]
}

atulkhatri

struct NetworkManager {

}

atulkhatri

private func executeRequest<T: Codable>(request: URLRequest, completion: ((T?, Error?) -> Void)?) {
    let session = URLSession(configuration: .default)
    let dataTask = session.dataTask(with: request) { (data, response, error) in
        guard let data = data else {
            completion?(nil, error)
            return
        }
        if let decodedResponse = try? JSONDecoder().decode(T.self, from: data) {
            DispatchQueue.main.async {
                completion?(decodedResponse, nil)

atulkhatri

if let decodedResponse = try? JSONDecoder().decode(T.self, from: data) {
    DispatchQueue.main.async {
        completion?(decodedResponse, nil)
    }
}

atulkhatri

typealias RailCompletionClosure = ((PageModel?, Error?) -> Void)

public func fetchMovieData(completion: RailCompletionClosure?) {
    guard let request = createRequest(for: "https://raw.githubusercontent.com/atulkhatri/random/master/bootcamp-home-movies.json") else {
        completion?(nil, NetworkError.invalidUrl)
        return
    }
    executeRequest(request: request, completion: completion)
}

atulkhatri

enum NetworkError: Error {
    case invalidUrl
    case invalidData
}

atulkhatri

struct PageModel: Codable {
    let data: [RailModel]
}

struct RailModel: Codable {
    let title, type: String
    let list: [AssetModel]
}

struct AssetModel: Codable {

atulkhatri

NetworkManager().fetchMovieData { [weak self] (page, error) in
    guard let self = self else { return }
    if let page = page {
        self.loadData(page: page)
    } else {
        print("No movies found!!")
    }
}

atulkhatri

private func createRequest(for url: String) -> URLRequest? {
    guard let url = URL(string: url) else { return nil }
    var request = URLRequest(url: url)
    request.httpMethod = "GET"
    request.setValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
    return request
}