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func downloadMetadata(for id: Int) async throws -> ImageMetadata {
    let metadataUrl = URL(string: "https://www.andyibanez.com/fairesepages.github.io/tutorials/async-await/part1/\(id).json")!
    let metadataRequest = URLRequest(url: metadataUrl)
    let (data, metadataResponse) = try await URLSession.shared.data(for: metadataRequest)
    guard (metadataResponse as? HTTPURLResponse)?.statusCode == 200 else {
        throw ImageDownloadError.invalidMetadata
    }

    return try JSONDecoder().decode(ImageMetadata.self, from: data)
}

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let metadataUrl = URL(string: "https://www.andyibanez.com/fairesepages.github.io/tutorials/async-await/part1/\(imageNumber).json")!
let metadataTask = URLSession.shared.dataTask(with: metadataUrl) { data, response, error in
    guard let data = data, let metadata = try? JSONDecoder().decode(ImageMetadata.self, from: data),  (response as? HTTPURLResponse)?.statusCode == 200 else {
        completionHandler(nil, ImageDownloadError.invalidMetadata)
        return
    }
    let detailedImage = DetailedImage(image: image, metadata: metadata)
    completionHandler(detailedImage, nil)
}
metadataTask.resume()

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func downloadImageAndMetadata(imageNumber: Int) async throws -> DetailedImage {
    return try await withCheckedThrowingContinuation({
        (continuation: CheckedContinuation<DetailedImage, Error>) in
        downloadImageAndMetadata(imageNumber: imageNumber) { image, error in
            if let image = image {
                continuation.resume(returning: image)
            } else {
                continuation.resume(throwing: error!)
            }
        }

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final class OrderTrackingViewController: UIViewController {
    override func viewDidLoad() {
        // Initial show loading view
        ui.configureSkeltonView()
        repo.fetchOrderTrackingResponse { [weak self] orderResponse in
            // Response receive render whole screen with data
            self?.ui.configureContainerView(response: orderResponse!)
        }
    }
}

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func configureSkeltonView() {
        [1...4].forEach { _ in
            scrollStackViewContainer.addArrangedSubview(OrderTrackingSkeletonView())
        }
    }

func configureContainerView(response: OrderTrackingResponse) {
        let paymentInfoView = PaymentInfoView(entity: ...) 
        let orderSummaryTitleViews = OrderSummaryTitleView(entity: ...) 
        let deliveryAddressView = DeliveryAddressView(entity: ...)

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// Step 1 : Initialize View and interface  
 private let paymentDetailsInjector: PaymentDetailsViewLoadable = PaymentDetailsViewLoader()
 private let  paymentDetailsViewContainer: UIView = UIView()

// Step 2 : listen call backs and load view   
 private func commonInit() {
        paymentDetailsInjector.renderView(
            componentId: "123",
            into: paymentDetailsViewContainer
        )

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 private func commonInit() {
        // API Hitting
        fetchPaymentInfoResponse { [weak self] paymentResponse in
            // Data Preparation / Business logic
            let entity = PaymentInfoView.Entity(
                paymentLogo: paymentResponse!.logo,
                paymentDetail: paymentResponse!.details,
                paymentTitleValue: paymentResponse!.title
            )
            self.state = .info(entity)

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public protocol PaymentDetailsViewLoadable {
    /// Communication with client
    var output: AnyPublisher<PaymentDetailLoadableOutput, Never> { get }

    /// render payment details view into the view provided
    func renderView(
        componentId: String,
        into containerView: UIView
    )
}

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import UIKit

final class FirstViewUI: UIView {
    
    var names =
        [
            "first",
            "seo",
            "psum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the in",
            "four",