ffi: Allow to get the user-defined notification mode for a room

bindings/matrix-sdk-ffi/src/notification_settings.rs

@@ -176,6 +176,24 @@ impl NotificationSettings {
         Ok(())
     }
 
+    /// Get the user defined room notification mode
+    pub async fn get_user_defined_room_notification_mode(
+        &self,
+        room_id: String,
+    ) -> Result<Option<RoomNotificationMode>, NotificationSettingsError> {
+        let notification_settings = self.sdk_notification_settings.read().await;
+        let parsed_room_id = RoomId::parse(&room_id)
+            .map_err(|_e| NotificationSettingsError::InvalidRoomId(room_id))?;
+        // Get the current user defined mode for this room
+        if let Some(mode) =
+            notification_settings.get_user_defined_room_notification_mode(&parsed_room_id).await
+        {
+            Ok(Some(mode.into()))
+        } else {
+            Ok(None)
+        }
+    }
+
     /// Get the default room notification mode
     ///
     /// The mode will depend on the associated `PushRule` based on whether the