feat: automatic push events (#63)

Sources/MessagingPush/MessagingPush+NotificationCenter.swift

@@ -18,9 +18,20 @@ public extension MessagingPush {
         didReceive response: UNNotificationResponse,
         withCompletionHandler completionHandler: @escaping () -> Void
     ) -> Bool {
+        switch response.actionIdentifier {
+        case UNNotificationDismissActionIdentifier, UNNotificationDefaultActionIdentifier:
+            if customerIO.sdkConfig.autoTrackPushEvents {
+                trackMetric(notificationContent: response.notification.request.content, event: .delivered) { _ in
+                    // XXX: pending background queue so that this can get retried instead of discarding the result
+                }
+            }
+        default: break
+        }
+
         guard let pushContent = PushContent.parse(notificationContent: response.notification.request.content,
                                                   jsonAdapter: DITracking.shared.jsonAdapter)
         else {
+            // push does not contain a CIO rich payload, so end early
             return false
         }
 
@@ -32,6 +43,12 @@ public extension MessagingPush {
             if let deepLinkurl = pushContent.deepLink {
                 UIApplication.shared.open(url: deepLinkurl)
 
+                if customerIO.sdkConfig.autoTrackPushEvents {
+                    trackMetric(notificationContent: response.notification.request.content, event: .opened) { _ in
+                        // XXX: pending background queue so that this can get retried instead of discarding the result
+                    }
+                }
+
                 completionHandler()
 
                 return true
@@ -42,6 +59,19 @@ public extension MessagingPush {
         return false
     }
 
+    func trackMetric(
+        notificationContent: UNNotificationContent,
+        event: Metric,
+        onComplete: @escaping (Result<Void, CustomerIOError>) -> Void
+    ) {
+        guard let deliveryID: String = notificationContent.userInfo["CIO-Delivery-ID"] as? String, 
+                  let deviceToken: String = notificationContent.userInfo["CIO-Delivery-Token"] as? String else {
+            return onComplete(Result.success(()))
+        }
+
+        trackMetric(deliveryID: deliveryID, event: event, deviceToken: deviceToken, onComplete: onComplete)
+    }
+
     private func cleanup(pushContent: PushContent) {
         pushContent.cioAttachments.forEach { attachment in
             let localFilePath = attachment.url

Sources/MessagingPushAPN/RichPush/MessagingPush+NotificationServiceExtension.swift

@@ -18,10 +18,16 @@ public extension MessagingPush {
         _ request: UNNotificationRequest,
         withContentHandler contentHandler: @escaping (UNNotificationContent) -> Void
     ) -> Bool {
+        if customerIO.sdkConfig.autoTrackPushEvents {
+            trackMetric(notificationContent: request.content, event: .delivered) { _ in
+                // XXX: pending background queue so that this can get retried instead of discarding the result
+            }
+        }
+
         guard let pushContent = PushContent.parse(notificationContent: request.content,
                                                   jsonAdapter: DITracking.shared.jsonAdapter)
         else {
-            // push is not sent by CIO. Therefore, end early.
+            // push does not contain a CIO rich payload, so end early
             return false
         }
 

Sources/Tracking/Store/SdkConfig.swift

@@ -12,6 +12,12 @@ public struct SdkConfig {
      */
     var trackingApiUrl: String = ""
 
+    /**
+     Automatic tracking of push events will automatically generate `opened` and `delivered` metrics
+     for push notifications sent by Customer.io
+     */
+    public var autoTrackPushEvents: Bool = true
+
     internal var httpBaseUrls: HttpBaseUrls {
         HttpBaseUrls(trackingApi: trackingApiUrl)
     }