IOS-74: log purchases and revenue.

1Weather/InApps/OLInAppStoreManager.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import StoreKit
+import AppsFlyerLib
 
 // Ported from ObjC
 
@@ -40,6 +41,7 @@ class OLInAppStoreManager: NSObject {
     }
     
     var currentRequest: SKProductsRequest?
+    var currentProduct: SKProduct?
 
     // MARK: - public methods
     func attemptPurchase(forProductId productId: String) {
@@ -89,6 +91,7 @@ extension OLInAppStoreManager: SKProductsRequestDelegate {
             }
         }
         if let validProduct = validProduct {
+            currentProduct = validProduct
             let payment = SKPayment(product: validProduct)
             delegate?.inAppStoreManager(self, purchaseWillBeAdded: payment)
             SKPaymentQueue.default().add(self)
@@ -110,13 +113,43 @@ extension OLInAppStoreManager: SKPaymentTransactionObserver {
             switch transaction.transactionState {
             case .purchased:
                 delegate?.inAppStoreManager(self, purchaseCompletedForProductId: transaction.payment.productIdentifier)
+                if let currentProduct = self.currentProduct,
+                   currentProduct.productIdentifier == transaction.payment.productIdentifier
+                   {
+                    if let currencyCode = currentProduct.priceLocale.currencyCode {
+                        #if DEBUG
+                        AppsFlyerLib.shared().useReceiptValidationSandbox = true
+                        #endif
+                        AppsFlyerLib.shared().validateAndLog(inAppPurchase: currentProduct.productIdentifier,
+                                                             price: currentProduct.price.stringValue,
+                                                             currency: currencyCode,
+                                                             transactionId: transaction.transactionIdentifier,
+                                                             additionalParameters: nil,
+                                                             success: { [weak self] in
+                                                                guard let dictionary = $0 as? [String: Any] else {
+                                                                    self?.log.info("AppsFlyer verified purchase.")
+                                                                    return
+                                                                }
+                                                                self?.log.info("AppsFlyer verified purchase: \(dictionary)")
+                                                             },
+                                                             failure: { [weak self] error, result in
+                                                                self?.log.error("AppsFlyer purchase verification failed: error: \(String(describing: error)), result: \(String(describing: result))")
+                                                             })
+                    }
+                    else {
+                        log.error("AppsFlyer purchase event: currency not found.")
+                    }
+                }
+                else {
+                    log.error("AppsFlyer purchase event: could find matching product.")
+                }
                 SKPaymentQueue.default().finishTransaction(transaction)
             case .failed:
                 if let error = transaction.error {
-                    log.error("SKPaymentTransactionStateFailedError: \(error)")
+                    log.error("Transaction failed: \(error)")
                 }
                 else {
-                    log.error("SKPaymentTransactionStateFailedError: unknown error")
+                    log.error("Transaction failed: unknown error")
                 }
                 delegate?.inAppStoreManager(self, purchaseFailedFor: transaction)
                 SKPaymentQueue.default().finishTransaction(transaction)
@@ -156,7 +189,6 @@ extension OLInAppStoreManager: SKPaymentTransactionObserver {
 // MARK: - SKRequestDelegate
 
 extension OLInAppStoreManager: SKRequestDelegate {
-
     func requestDidFinish(_ request: SKRequest) {
         log.debug("requestDidFinish")
     }