fix and conversions

servers/grpc/server/management.go

@@ -66,3 +66,24 @@ func (s *CarpoolServiceServerImpl) GetUserPlanning(ctx context.Context, req *pro
 		RoutesByDates: results,
 	}, nil
 }
+
+func (s *CarpoolServiceServerImpl) GetPlannedTrip(ctx context.Context, req *proto.GetPlannedTripRequest) (*proto.GetPlannedTripResponse, error) {
+	planned_trip, err := s.Handler.GetPlannedTrip(req.Id)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "could not retrieve planned trip - %s", err.Error())
+	}
+
+	planned_trip.Route.ExtraMembers["departure_date"] = planned_trip.DepartureDate
+
+	serialized, err := planned_trip.Route.FeatureCollection().MarshalJSON()
+	if err != nil {
+		log.Error().Err(err).Msg("grpc GetPlannedTrip - could not serialize feature collection")
+		return nil, status.Errorf(codes.Internal, "could not serialize feature collection")
+	}
+
+	return &proto.GetPlannedTripResponse{
+		PlannedTrip: &proto.CarpoolFeatureCollection{
+			Serialized: string(serialized),
+		},
+	}, nil
+}