Added toDictionary methods to classes

* This makes creating wrapper SDKs easier.

Author: jkasten2

iOS_SDK/OneSignalSDK/Source/OSPermission.m

@@ -149,6 +149,11 @@ - (NSString*)description {
     return [NSString stringWithFormat:format, self.hasPrompted, self.statusAsString];
 }
 
+- (NSDictionary*)toDictionary {
+    return @{@"hasPrompted": @(self.hasPrompted),
+             @"status": @(self.status)};
+}
+
 @end
 
 
@@ -177,4 +182,9 @@ - (NSString*)description {
     static NSString* format = @"<OSSubscriptionStateChanges:\nfrom: %@,\nto:   %@\n>";
     return [NSString stringWithFormat:format, _from, _to];
 }
+
+- (NSDictionary*)toDictionary {
+    return @{@"from": [_from toDictionary], @"to": [_to toDictionary]};
+}
+
 @end

iOS_SDK/OneSignalSDK/Source/OSSubscription.m

@@ -140,6 +140,13 @@ - (NSString*)description {
     return [NSString stringWithFormat:format, self.userId, self.pushToken, self.userSubscriptionSetting, self.subscribed];
 }
 
+- (NSDictionary*)toDictionary {
+    return @{@"userId": _userId ?: [NSNull null],
+             @"pushToken": _pushToken ?: [NSNull null],
+             @"userSubscriptionSetting": @(_userSubscriptionSetting),
+             @"subscribed": @(self.subscribed)};
+}
+
 @end
 
 
@@ -168,4 +175,10 @@ - (NSString*)description {
     static NSString* format = @"<OSSubscriptionStateChanges:\nfrom: %@,\nto:   %@\n>";
     return [NSString stringWithFormat:format, _from, _to];
 }
+
+- (NSDictionary*)toDictionary {
+    return @{@"from": [_from toDictionary],
+             @"to": [_to toDictionary]};
+}
+
 @end

iOS_SDK/OneSignalSDK/Source/OneSignal.h

@@ -183,13 +183,15 @@ typedef NS_ENUM(NSInteger, OSNotificationPermission) {
 
 @property (readonly, nonatomic) BOOL hasPrompted;
 @property (readonly, nonatomic) OSNotificationPermission status;
+- (NSDictionary*)toDictionary;
 
 @end
 
 @interface OSPermissionStateChanges : NSObject
 
 @property (readonly) OSPermissionState* to;
 @property (readonly) OSPermissionState* from;
+- (NSDictionary*)toDictionary;
 
 @end
 
@@ -205,15 +207,16 @@ typedef NS_ENUM(NSInteger, OSNotificationPermission) {
 @property (readonly, nonatomic) BOOL userSubscriptionSetting; // returns setSubscription state.
 @property (readonly, nonatomic) NSString* userId;    // AKA OneSignal PlayerId
 @property (readonly, nonatomic) NSString* pushToken; // AKA Apple Device Token
+- (NSDictionary*)toDictionary;
 
 @end
 
 @interface OSSubscriptionStateChanges : NSObject
 
 @property (readonly) OSSubscriptionState* to;
 @property (readonly) OSSubscriptionState* from;
-@property (readonly) BOOL becameSubscribed;
-@property (readonly) BOOL becameUnsubscribed;
+
+- (NSDictionary*)toDictionary;
 
 @end
 
@@ -228,6 +231,7 @@ typedef NS_ENUM(NSInteger, OSNotificationPermission) {
 
 @property (readonly) OSPermissionState* permissionStatus;
 @property (readonly) OSSubscriptionState* subscriptionStatus;
+- (NSDictionary*)toDictionary;
 
 @end
 

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -101,6 +101,14 @@
 
 
 @implementation OSPermissionSubscriptionState
+- (NSString*)description {
+    static NSString* format = @"<OSPermissionSubscriptionState:\npermissionStatus: %@,\nsubscriptionStatus: %@\n>";
+    return [NSString stringWithFormat:format, _permissionStatus, _subscriptionStatus];
+}
+- (NSDictionary*)toDictionary {
+    return @{@"permissionStatus": [_permissionStatus toDictionary],
+             @"subscriptionStatus": [_subscriptionStatus toDictionary]};
+}
 @end
 
 @interface OSPendingCallbacks : NSObject