GODT-2312: used space is properly updated.

internal/frontend/grpc/bridge.proto

@@ -448,6 +448,7 @@ message UserEvent {
     UserDisconnectedEvent userDisconnected = 2;
     UserChangedEvent userChanged = 3;
     UserBadEvent userBadEvent = 4;
+    UsedBytesChangedEvent  usedBytesChangedEvent= 5;
   }
 }
 
@@ -468,6 +469,11 @@ message UserBadEvent {
   string errorMessage = 2;
 }
 
+message UsedBytesChangedEvent {
+  string userID = 1;
+  int64 usedBytes = 2;
+}
+
 //**********************************************************
 // Generic errors
 //**********************************************************

internal/frontend/grpc/event_factory.go

@@ -177,6 +177,10 @@ func NewUserBadEvent(userID string, errorMessage string) *StreamEvent {
 	return userEvent(&UserEvent{Event: &UserEvent_UserBadEvent{UserBadEvent: &UserBadEvent{UserID: userID, ErrorMessage: errorMessage}}})
 }
 
+func NewUsedBytesChangedEvent(userID string, usedBytes int) *StreamEvent {
+	return userEvent(&UserEvent{Event: &UserEvent_UsedBytesChangedEvent{UsedBytesChangedEvent: &UsedBytesChangedEvent{UserID: userID, UsedBytes: int64(usedBytes)}}})
+}
+
 func NewGenericErrorEvent(errorCode ErrorCode) *StreamEvent {
 	return genericErrorEvent(&GenericErrorEvent{Code: errorCode})
 }

internal/frontend/grpc/service.go

@@ -305,6 +305,9 @@ func (s *Service) watchEvents() {
 		case events.AddressModeChanged:
 			_ = s.SendEvent(NewUserChangedEvent(event.UserID))
 
+		case events.UsedSpaceChanged:
+			_ = s.SendEvent(NewUsedBytesChangedEvent(event.UserID, event.UsedSpace))
+
 		case events.UserDeauth:
 			// This is the event the GUI cares about.
 			_ = s.SendEvent(NewUserChangedEvent(event.UserID))

internal/frontend/grpc/service_stream.go

@@ -174,6 +174,7 @@ func (s *Service) StartEventTest() error { //nolint:funlen
 		NewUserToggleSplitModeFinishedEvent("userID"),
 		NewUserDisconnectedEvent("username"),
 		NewUserChangedEvent("userID"),
+		NewUsedBytesChangedEvent("userID", 1000),
 	}
 
 	for _, event := range events {