[bindgen] Adding a app_user_as_sync_user helper (#7684)

* Adding app_user_as_sync_user

* Update CHANGELOG.md

Co-authored-by: Kenneth Geisshirt <[email protected]>

---------

Co-authored-by: Kenneth Geisshirt <[email protected]>

Author: kraenhansen

CHANGELOG.md

@@ -19,7 +19,7 @@
 -----------
 
 ### Internals
-* None.
+* (bindgen) Exposing a function `app_user_as_sync_user` to cast the opposite way as `sync_user_as_app_user`. ([PR #7684](https://github.com/realm/realm-core/pull/7684) as a follow-up to [PR #7634](https://github.com/realm/realm-core/pull/7634))
 
 ----------------------------------------------
 

bindgen/spec.yml

@@ -740,6 +740,7 @@ classes:
       make_ssl_verify_callback: '(callback: (server_address: const std::string&, server_port: int, pem_data: std::string_view, preverify_ok: int, depth: int) off_thread -> bool) -> SSLVerifyCallback'
       needs_file_format_upgrade: '(config: const RealmConfig&) -> bool'
       sync_user_as_app_user: '(sync_user: Nullable<std::shared_ptr<SyncUser>>) -> Nullable<std::shared_ptr<User>>'
+      app_user_as_sync_user: '(sync_user: Nullable<std::shared_ptr<User>>) -> Nullable<std::shared_ptr<SyncUser>>'
 
   LogCategoryRef:
     cppName: util::LogCategoryRef
@@ -1208,13 +1209,13 @@ classes:
   SyncUser:
     cppName: SyncUser
     sharedPtrWrapped: SharedSyncUser
+    properties:
+      is_logged_in: bool
 
   User:
-    base: SyncUser
     cppName: app::User
     sharedPtrWrapped: SharedUser
     properties:
-      is_logged_in: bool
       user_id: std::string
       app_id: std::string
       legacy_identities: std::vector<std::string>

bindgen/src/realm_helpers.h

@@ -290,6 +290,11 @@ struct Helpers {
     {
         return std::dynamic_pointer_cast<app::User>(sync_user);
     }
+
+    static std::shared_ptr<SyncUser> app_user_as_sync_user(std::shared_ptr<app::User> app_user)
+    {
+        return std::dynamic_pointer_cast<SyncUser>(app_user);
+    }
 };
 
 struct ObjectChangeSet {