feat: iap (#1996)

packages/web/src/javascripts/Controllers/PurchaseFlow/PurchaseFlowController.ts

@@ -1,5 +1,6 @@
+import { LoggingDomain, log } from '@/Logging'
 import { loadPurchaseFlowUrl } from '@/Components/PurchaseFlow/PurchaseFlowFunctions'
-import { InternalEventBus } from '@standardnotes/snjs'
+import { InternalEventBus, AppleIAPProductId } from '@standardnotes/snjs'
 import { action, makeObservable, observable } from 'mobx'
 import { WebApplication } from '../../Application/Application'
 import { AbstractViewController } from '../Abstract/AbstractViewController'
@@ -26,15 +27,67 @@ export class PurchaseFlowController extends AbstractViewController {
     this.currentPane = currentPane
   }
 
-  openPurchaseFlow = (): void => {
+  openPurchaseFlow = (plan = AppleIAPProductId.ProPlanYearly): void => {
     const user = this.application.getUser()
     if (!user) {
       this.isOpen = true
+      return
+    }
+
+    if (this.application.isNativeIOS()) {
+      void this.beginIosIapPurchaseFlow(plan)
     } else {
       loadPurchaseFlowUrl(this.application).catch(console.error)
     }
   }
 
+  openPurchaseWebpage = () => {
+    loadPurchaseFlowUrl(this.application).catch((err) => {
+      console.error(err)
+      this.application.alertService.alert(err).catch(console.error)
+    })
+  }
+
+  beginIosIapPurchaseFlow = async (plan: AppleIAPProductId): Promise<void> => {
+    const result = await this.application.mobileDevice().purchaseSubscriptionIAP(plan)
+
+    log(LoggingDomain.Purchasing, 'BeginIosIapPurchaseFlow result', result)
+
+    if (!result) {
+      void this.application.alertService.alert('Your purchase was canceled or failed. Please try again.')
+      return
+    }
+
+    const showGenericError = () => {
+      void this.application.alertService.alert(
+        'There was an error confirming your purchase. Please contact support at help@standardnotes.com.',
+      )
+    }
+
+    log(LoggingDomain.Purchasing, 'Confirming result with our server')
+
+    const token = await this.application.getNewSubscriptionToken()
+
+    if (!token) {
+      log(LoggingDomain.Purchasing, 'Unable to generate subscription token')
+      showGenericError()
+      return
+    }
+
+    const confirmResult = await this.application.subscriptions.confirmAppleIAP(result, token)
+
+    log(LoggingDomain.Purchasing, 'Server confirm result', confirmResult)
+
+    if (confirmResult) {
+      void this.application.alerts.alert(
+        'Please allow a few minutes for your subscription benefits to activate. You will see a confirmation alert in the app when your subscription is ready.',
+        'Your purchase was successful!',
+      )
+    } else {
+      showGenericError()
+    }
+  }
+
   closePurchaseFlow = (): void => {
     this.isOpen = false
   }