Store creation M2: checkout flow #8216
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| import WebKit | ||
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| /// View model used for the web view controller to check out. | ||
| final class WebCheckoutViewModel: AuthenticatedWebViewModel { | ||
| // `AuthenticatedWebViewModel` protocol conformance. | ||
| let title = Localization.title | ||
| let initialURL: URL? | ||
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| /// Keeps track of whether the completion has been triggered so that it's only invoked once. | ||
| /// There are usually multiple redirects with the same success URL prefix. | ||
| private var isComplete: Bool = false | ||
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| private let completion: () -> Void | ||
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| /// - Parameters: | ||
| /// - siteSlug: The slug of the site URL that the web checkout is for. | ||
| /// - completion: Invoked when the webview reaches the success URL. | ||
| init(siteSlug: String, completion: @escaping () -> Void) { | ||
| self.initialURL = URL(string: String(format: Constants.checkoutURLFormat, siteSlug)) | ||
| self.completion = completion | ||
| } | ||
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| func handleDismissal() { | ||
| // no-op: dismissal is handled in the close button in the navigation bar. | ||
| } | ||
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| func handleRedirect(for url: URL?) { | ||
| guard let path = url?.absoluteString else { | ||
| return | ||
| } | ||
| handleCompletionIfPossible(path) | ||
| } | ||
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| func decidePolicy(for navigationURL: URL) async -> WKNavigationActionPolicy { | ||
| handleCompletionIfPossible(navigationURL.absoluteString) | ||
| return .allow | ||
| } | ||
| } | ||
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| private extension WebCheckoutViewModel { | ||
| func handleCompletionIfPossible(_ url: String) { | ||
| guard url.starts(with: Constants.completionURLPrefix) else { | ||
| return | ||
| } | ||
| // Running on the main thread is necessary if this method is triggered from `decidePolicy`. | ||
| DispatchQueue.main.async { [weak self] in | ||
| self?.handleSuccess() | ||
| } | ||
| } | ||
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| func handleSuccess() { | ||
| guard isComplete == false else { | ||
| return | ||
| } | ||
| completion() | ||
| isComplete = true | ||
| } | ||
| } | ||
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| private extension WebCheckoutViewModel { | ||
| enum Constants { | ||
| static let checkoutURLFormat = "https://wordpress.com/checkout/%@" | ||
| static let completionURLPrefix = "https://wordpress.com/checkout/thank-you/" | ||
| } | ||
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| enum Localization { | ||
| static let title = NSLocalizedString("Checkout", comment: "Title of the WPCOM checkout web view.") | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| import Foundation | ||
| import protocol Yosemite.StoresManager | ||
| import enum Yosemite.PaymentAction | ||
| import struct Yosemite.WPComPlan | ||
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| /// An `InAppPurchasesForWPComPlansProtocol` implementation for purchasing a WPCOM plan in a webview. | ||
| struct WebPurchasesForWPComPlans { | ||
| struct Plan: WPComPlanProduct, Equatable { | ||
| let displayName: String | ||
| let description: String | ||
| let id: String | ||
| let displayPrice: String | ||
| } | ||
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| private let stores: StoresManager | ||
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| init(stores: StoresManager = ServiceLocator.stores) { | ||
| self.stores = stores | ||
| } | ||
| } | ||
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| extension WebPurchasesForWPComPlans: InAppPurchasesForWPComPlansProtocol { | ||
| func fetchProducts() async throws -> [WPComPlanProduct] { | ||
| let result = await loadPlan(thatMatchesID: Constants.eCommerceMonthlyPlanProductID) | ||
| switch result { | ||
| case .success(let plan): | ||
| return [plan].map { Plan(displayName: $0.name, description: "", id: "\($0.productID)", displayPrice: $0.formattedPrice) } | ||
| case .failure(let error): | ||
| throw error | ||
| } | ||
| } | ||
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| func userIsEntitledToProduct(with id: String) async throws -> Bool { | ||
| // A newly created site does not have any WPCOM plans. In web, the user can purchase a WPCOM plan for every site. | ||
| false | ||
| } | ||
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| func purchaseProduct(with id: String, for remoteSiteId: Int64) async throws -> InAppPurchaseResult { | ||
| let createCartResult = await createCart(productID: id, for: remoteSiteId) | ||
| switch createCartResult { | ||
| case .success: | ||
| // `StoreCreationCoordinator` will then launch the checkout webview after a cart is created. | ||
| return .pending | ||
| case .failure(let error): | ||
| throw error | ||
| } | ||
| } | ||
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| func retryWPComSyncForPurchasedProduct(with id: String) async throws { | ||
| // no-op | ||
| } | ||
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| func inAppPurchasesAreSupported() async -> Bool { | ||
| // Web purchases are available for everyone and every site. | ||
| true | ||
| } | ||
| } | ||
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| private extension WebPurchasesForWPComPlans { | ||
| @MainActor | ||
| func loadPlan(thatMatchesID productID: Int64) async -> Result<WPComPlan, Error> { | ||
| await withCheckedContinuation { continuation in | ||
| stores.dispatch(PaymentAction.loadPlan(productID: productID) { result in | ||
| continuation.resume(returning: result) | ||
| }) | ||
| } | ||
| } | ||
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| @MainActor | ||
| func createCart(productID: String, for siteID: Int64) async -> Result<Void, Error> { | ||
| await withCheckedContinuation { continuation in | ||
| stores.dispatch(PaymentAction.createCart(productID: productID, siteID: siteID) { result in | ||
| continuation.resume(returning: result) | ||
| }) | ||
| } | ||
| } | ||
| } | ||
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| private extension WebPurchasesForWPComPlans { | ||
| enum Constants { | ||
| static let eCommerceMonthlyPlanProductID: Int64 = 1021 | ||
| } | ||
| } |
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This method is to add any tracks needed when the view is dismissed, not about implementing the dismissal 😅 Sorry if the name is misleading.