feat: iap (#1996)

packages/mobile/src/Lib/Interface.ts

@@ -1,5 +1,6 @@
 import AsyncStorage from '@react-native-community/async-storage'
 import SNReactNative from '@standardnotes/react-native-utils'
+import { AppleIAPReceipt } from '@standardnotes/services/dist/Domain/Subscription/AppleIAPReceipt'
 import {
   ApplicationIdentifier,
   Environment,
@@ -11,6 +12,7 @@ import {
   RawKeychainValue,
   removeFromArray,
   TransferPayload,
+  AppleIAPProductId,
   UuidString,
 } from '@standardnotes/snjs'
 import { ColorSchemeObserverService } from 'ColorSchemeObserverService'
@@ -41,6 +43,7 @@ import Share from 'react-native-share'
 import { AndroidBackHandlerService } from '../AndroidBackHandlerService'
 import { AppStateObserverService } from './../AppStateObserverService'
 import Keychain from './Keychain'
+import { PurchaseManager } from '../PurchaseManager'
 
 export type BiometricsType = 'Fingerprint' | 'Face ID' | 'Biometrics' | 'Touch ID'
 
@@ -99,6 +102,10 @@ export class MobileDevice implements MobileDeviceInterface {
     private colorSchemeService?: ColorSchemeObserverService,
   ) {}
 
+  purchaseSubscriptionIAP(plan: AppleIAPProductId): Promise<AppleIAPReceipt | undefined> {
+    return PurchaseManager.getInstance().purchase(plan)
+  }
+
   deinit() {
     this.stateObserverService?.deinit()
     ;(this.stateObserverService as unknown) = undefined
@@ -108,7 +115,7 @@ export class MobileDevice implements MobileDeviceInterface {
     ;(this.colorSchemeService as unknown) = undefined
   }
 
-  consoleLog(...args: any[]): void {
+  consoleLog(...args: unknown[]): void {
     // eslint-disable-next-line no-console
     console.log(args)
   }

packages/mobile/src/Lib/Logging.ts

@@ -0,0 +1,18 @@
+import { log as utilsLog } from '@standardnotes/snjs'
+
+export enum LoggingDomain {
+  AppleIAP,
+}
+
+const LoggingStatus: Record<LoggingDomain, boolean> = {
+  [LoggingDomain.AppleIAP]: true,
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function log(domain: LoggingDomain, ...args: any[]): void {
+  if (!LoggingStatus[domain]) {
+    return
+  }
+
+  utilsLog(LoggingDomain[domain], ...args)
+}

packages/mobile/src/PurchaseManager.ts

@@ -0,0 +1,80 @@
+import { LoggingDomain, log } from './Lib/Logging'
+import { EmitterSubscription } from 'react-native'
+import {
+  initConnection,
+  endConnection,
+  purchaseErrorListener,
+  purchaseUpdatedListener,
+  type ProductPurchase,
+  type PurchaseError,
+  type SubscriptionPurchase,
+  finishTransaction,
+  requestSubscription,
+  getSubscriptions,
+} from 'react-native-iap'
+import { AppleIAPReceipt, AppleIAPProductId } from '@standardnotes/snjs'
+
+export class PurchaseManager {
+  private static instance: PurchaseManager
+  private listenerDisposer: EmitterSubscription
+  private errorDisposer: EmitterSubscription
+
+  private constructor() {
+    this.listenerDisposer = purchaseUpdatedListener((purchase: SubscriptionPurchase | ProductPurchase) => {
+      log(LoggingDomain.AppleIAP, 'purchaseUpdatedListener', purchase)
+      const receipt = purchase.transactionReceipt
+      if (receipt) {
+        void finishTransaction({ purchase, isConsumable: false })
+      }
+    })
+
+    this.errorDisposer = purchaseErrorListener((error: PurchaseError) => {
+      log(LoggingDomain.AppleIAP, 'purchaseErrorListener', error)
+    })
+  }
+
+  public static getInstance(): PurchaseManager {
+    if (!PurchaseManager.instance) {
+      PurchaseManager.instance = new PurchaseManager()
+    }
+
+    return PurchaseManager.instance
+  }
+
+  deinit() {
+    this.listenerDisposer.remove()
+    this.errorDisposer.remove()
+    void endConnection()
+  }
+
+  async purchase(sku: AppleIAPProductId): Promise<AppleIAPReceipt | undefined> {
+    await initConnection()
+
+    const subscriptions = await getSubscriptions({
+      skus: [AppleIAPProductId.PlusPlanYearly, AppleIAPProductId.ProPlanYearly],
+    })
+
+    log(LoggingDomain.AppleIAP, 'Retrieved subscriptions', subscriptions)
+
+    try {
+      const result = await requestSubscription({ sku, andDangerouslyFinishTransactionAutomaticallyIOS: true })
+
+      log(LoggingDomain.AppleIAP, 'Purchase result', result)
+
+      if (result && result.transactionId && result.transactionDate) {
+        return {
+          transactionId: result.transactionId,
+          productId: result.productId as AppleIAPProductId,
+          transactionDate: String(result.transactionDate),
+          transactionReceipt: result.transactionReceipt,
+        }
+      } else {
+        log(LoggingDomain.AppleIAP, 'Purchase method returning undefined even though successful')
+        return undefined
+      }
+    } catch (error) {
+      log(LoggingDomain.AppleIAP, error)
+      return undefined
+    }
+  }
+}