adding isEmailSubscribed to OSDeviceState

Author: emawby

iOS_SDK/OneSignalSDK/Source/OSDeviceState.m

@@ -55,6 +55,8 @@ - (instancetype)initWithSubscriptionState:(OSPermissionSubscriptionState *)state
         _emailUserId = [[state emailSubscriptionStatus] emailUserId];
 
         _emailAddress = [[state emailSubscriptionStatus] emailAddress];
+        
+        _isEmailSubscribed = [[state emailSubscriptionStatus] isSubscribed];
     }
     return self;
 }
@@ -70,6 +72,7 @@ - (NSDictionary *_Nonnull)jsonRepresentation {
     json[@"pushToken"] = _pushToken;
     json[@"emailUserId"] = _emailUserId;
     json[@"emailAddress"] = _emailAddress;
+    json[@"isEmailSubscribed"] = @(_isEmailSubscribed);
     json[@"notificationPermissionStatus"] = @(_notificationPermissionStatus);
 
     return json;

iOS_SDK/OneSignalSDK/Source/OneSignal.h

@@ -374,6 +374,8 @@ typedef NS_ENUM(NSInteger, OSNotificationPermission) {
  */
 @property (readonly, nullable) NSString* emailAddress;
 
+@property (readonly) BOOL isEmailSubscribed;
+
 - (instancetype)initWithSubscriptionState:(OSPermissionSubscriptionState *)state;
 
 // Convert the class into a NSDictionary

iOS_SDK/OneSignalSDK/UnitTests/UnitTests.m

@@ -2646,6 +2646,7 @@ - (void)testDeviceStateJson {
     XCTAssertEqualObjects(json[@"emailUserId"], @"1234");
     XCTAssertEqualObjects(json[@"emailAddress"], @"[email protected]");
     XCTAssertEqualObjects(json[@"notificationPermissionStatus"], @2);
+    XCTAssertEqualObjects(json[@"isEmailSubscribed"], @1);
 }
 
 - (void)testNotificationJson {