Detect for timezone changes and update the user

iOS_SDK/OneSignalSDK/OneSignalUser/Source/OSPropertiesModel.swift

@@ -63,7 +63,14 @@ class OSPropertiesModel: OSModel {
         }
     }
 
-    var timezoneId = TimeZone.current.identifier
+    var timezoneId: String? = TimeZone.current.identifier {
+        didSet {
+            guard timezoneId != oldValue else {
+                return
+            }
+            self.set(property: "timezone_id", newValue: timezoneId)
+        }
+    }
 
     var tags: [String: String] = [:]
     private let tagsLock = NSRecursiveLock()
@@ -90,13 +97,15 @@ class OSPropertiesModel: OSModel {
             super.encode(with: coder)
             coder.encode(language, forKey: "language")
             coder.encode(tags, forKey: "tags")
+            coder.encode(timezoneId, forKey: "timezoneId")
             // ... and more
         }
     }
 
     required init?(coder: NSCoder) {
         super.init(coder: coder)
         language = coder.decodeObject(forKey: "language") as? String
+        timezoneId = coder.decodeObject(forKey: "timezoneId") as? String
         guard let tags = coder.decodeObject(forKey: "tags") as? [String: String] else {
             // log error
             return
@@ -106,6 +115,10 @@ class OSPropertiesModel: OSModel {
         // ... and more
     }
 
+    func update() {
+        timezoneId = TimeZone.current.identifier
+    }
+
     /**
      Called to clear the model's data in preparation for hydration via a fetch user call.
      */

iOS_SDK/OneSignalSDK/OneSignalUser/Source/OSUserInternalImpl.swift

@@ -37,6 +37,7 @@ protocol OSUserInternal {
     var pushSubscriptionModel: OSSubscriptionModel { get }
     var identityModel: OSIdentityModel { get }
     var propertiesModel: OSPropertiesModel { get }
+    func update()
     // Aliases
     func addAliases(_ aliases: [String: String])
     func removeAliases(_ labels: [String])
@@ -72,6 +73,11 @@ class OSUserInternalImpl: NSObject, OSUserInternal {
         self.pushSubscriptionModel = pushSubscriptionModel
     }
 
+    func update() {
+        self.pushSubscriptionModel.update()
+        self.propertiesModel.update()
+    }
+
     // MARK: - Aliases
 
     /**

iOS_SDK/OneSignalSDK/OneSignalUser/Source/OneSignalUserManagerImpl.swift

@@ -256,7 +256,7 @@ public class OneSignalUserManagerImpl: NSObject, OneSignalUserManager {
         subscriptionModelStoreListener.start()
         pushSubscriptionModelStoreListener.start()
         if hasCachedUser {
-            _user?.pushSubscriptionModel.update()
+            _user?.update()
         }
     }
 
@@ -294,6 +294,18 @@ public class OneSignalUserManagerImpl: NSObject, OneSignalUserManager {
 
         // 3. Make the request
         userExecutor!.fetchIdentityBySubscription(newUser)
+
+        // 4. Send any updates to sync the local state
+        updateLegacyPlayer(newUser)
+    }
+
+    /**
+     Migrating a legacy player does not result in a Create User call, but certain local data should be sent manually.
+     */
+    private func updateLegacyPlayer(_ user: OSUserInternal) {
+        if let timezoneId = user.propertiesModel.timezoneId {
+            updatePropertiesDeltas(property: .timezone_id, value: timezoneId)
+        }
     }
 
     private func createNewUser(externalId: String?, token: String?) -> OSUserInternal {
@@ -567,6 +579,7 @@ extension OneSignalUserManagerImpl {
     /// It enqueues an OSDelta to the Operation Repo.
     /// 
     /// - Parameter property:Expected inputs are `.session_time"`, `.session_count"`, and `.purchases"`.
+    /// May be `.timezone_id` or others if the SDK is sending an update for a legacy player.
     func updatePropertiesDeltas(property: OSPropertiesSupportedProperty, value: Any, flush: Bool = false) {
         guard !OneSignalConfigManager.shouldAwaitAppIdAndLogMissingPrivacyConsent(forMethod: "updatePropertiesDeltas") else {
             return

iOS_SDK/OneSignalSDK/OneSignalUser/Source/Support/OSPropertiesSupportedProperty.swift

@@ -36,6 +36,7 @@ enum OSPropertiesSupportedProperty: String {
     case language
     case location
     case tags
+    case timezone_id
     // Created manually by User Manager, not through Models
     case session_count
     case session_time