feat(signOut) Implementing signOut on iOS (#37)

* Removing checkRecentNotification on setNotificationOpenedHandler

Stop getting the last push payload every time handler is set

* Adding signOut function to iOS

* Code formatting

* reverting checkRecentNotification

* Updating readMe

README.md

@@ -15,7 +15,7 @@ To use this plugin, add `iterable_flutter` as a [dependency in your pubspec.yaml
 | `setUserId` | X | X | |
 | `registerForPush` | X | X | |
 | `updateUser` | X | X | |
-| `signOut` | X | | |
+| `signOut` | X | X | |
 | `track` | X | X | |
 | `setNotificationOpenedHandler` | X | X | |
 

example/lib/main.dart

@@ -57,6 +57,10 @@ class _MyAppState extends State<MyApp> {
     await IterableFlutter.track(event);
   }
 
+  Future<void> signOut() async {
+    await IterableFlutter.signOut();
+  }
+
   /// Call it to register device for current user if calling setEmail or
   /// setUserId after the app has already launched
   /// (for example, when a new user logs in)
@@ -131,6 +135,13 @@ class _MyAppState extends State<MyApp> {
               ),
             ),
             SizedBox(height: 20),
+            ElevatedButton(
+              onPressed: () {
+                  signOut();
+              },
+              child: Text('Sign Out'),
+            ),
+            SizedBox(height: 20),
             Text("Push: $pushData"),
             Text("Body: ${pushData['body']}"),
             Text("Title: ${pushData['title']}"),

ios/Classes/SwiftIterableFlutterPlugin.swift

@@ -54,6 +54,10 @@ public class SwiftIterableFlutterPlugin: NSObject, FlutterPlugin, UNUserNotifica
         case "registerForPush":
             registerForPushNotifications()
 
+            result(nil)
+        case "signOut":
+            signOut()
+
             result(nil)
         default:
             result(FlutterMethodNotImplemented)
@@ -74,6 +78,10 @@ public class SwiftIterableFlutterPlugin: NSObject, FlutterPlugin, UNUserNotifica
         }
         return [:];
     }
+
+    func signOut() {
+        IterableAPI.disableDeviceForCurrentUser()
+    }
 
     public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [AnyHashable : Any] = [:]) -> Bool {
         UNUserNotificationCenter.current().delegate = self