add and integrate failure method for auth

Author: roninopf

swift-sdk/Internal/AuthManager.swift

@@ -95,6 +95,15 @@ class AuthManager: IterableAuthManagerProtocol {
     private func onAuthTokenReceived(retrievedAuthToken: String?, onSuccess: AuthTokenRetrievalHandler? = nil) {
         pendingAuth = false
 
+        guard let authToken = authToken else {
+            delegate?.onTokenRegistrationFailed()
+            
+            /// by default, schedule a refresh for 10s
+            scheduleAuthTokenRefreshTimer(10)
+            
+            return
+        }
+        
         authToken = retrievedAuthToken
 
         storeAuthToken()
@@ -110,6 +119,8 @@ class AuthManager: IterableAuthManagerProtocol {
         clearRefreshTimer()
 
         guard let authToken = authToken, let expirationDate = AuthManager.decodeExpirationDateFromAuthToken(authToken) else {
+            delegate?.onTokenRegistrationFailed()
+            
             /// schedule a default timer of 10 seconds if we fall into this case
             scheduleAuthTokenRefreshTimer(10)
 

swift-sdk/IterableConfig.swift

@@ -55,6 +55,13 @@ import Foundation
 /// The delegate for getting the authentication token
 @objc public protocol IterableAuthDelegate: AnyObject {
     @objc func onAuthTokenRequested(completion: @escaping AuthTokenRetrievalHandler)
+    @objc func onTokenRegistrationFailed()
+}
+
+extension IterableAuthDelegate {
+    func onTokenRegistrationFailed() {
+        
+    }
 }
 
 /// Iterable Configuration Object. Use this when initializing the API.