Extending changeset with partial sync info. Updating object store

lib/extensions.js

@@ -161,6 +161,15 @@ module.exports = function(realmConstructor) {
             });
             return promise;
         };
+
+        // Keep these value in sync with subscription_state.hpp
+        realmConstructor.Sync.SubscriptionState = {
+            Undefined: -3,         // Unknown which state Partial Sync is in.
+            NotSupported: - 2,     // Partial Sync not supported.
+            Error: -1,             // An error was detect in Partial Sync.
+            Uninitialized: 0,      // The subscription was just created, but not handled by sync yet.
+            Initialized: 1,        // The subscription has been initialized successfully and are syncing data to the dev
+        };
     }
 
     // TODO: Remove this now useless object.

src/js_collection.hpp

@@ -23,6 +23,9 @@
 #include "js_observable.hpp"
 
 #include "collection_notifications.hpp"
+#if REALM_ENABLE_SYNC
+#include "subscription_state.hpp"
+#endif
 
 namespace realm {
 namespace js {
@@ -69,6 +72,17 @@ typename T::Value CollectionClass<T>::create_collection_change_set(ContextType c
     }
     Object::set_property(ctx, object, "modifications", Object::create_array(ctx, modifications));
 
+#if REALM_ENABLE_SYNC
+    // Partial sync brings a number of additional properties. They only make sense if partial sync is used
+    // but we don't have the information avaiable here.
+    ObjectType partial_sync = Object::create_empty(ctx);
+    Object::set_property(ctx, partial_sync, "error", Value::from_string(ctx, change_set.partial_sync_error_message));
+    Object::set_property(ctx, partial_sync, "old_state", Value::from_number(ctx, static_cast<double>(change_set.partial_sync_old_state)));
+    Object::set_property(ctx, partial_sync, "new_state", Value::from_number(ctx, static_cast<double>(change_set.partial_sync_new_state)));
+    
+    Object::set_property(ctx, object, "partial_sync", partial_sync);
+#endif
+
     return object;
 }
 

src/object-store

@@ -1 +1 @@
-Subproject commit d681b1fb8a8ca7a8db1ab1edc25771d984795ebe
+Subproject commit a7b05a07a860eb78b8c0e02a7d8e57c72d9bd7d8