refactor(*): add a separate method to add metadata

honeybee_vtk/to_vtk.py

@@ -103,16 +103,14 @@ def convert_sensor_grid(
 def convert_shade(shade: Shade) -> PolyData:
     polydata = convert_face_3d(shade.geometry)
     metadata = polydata._get_metadata(shade)
-    for key, value in metadata.items():
-        polydata.add_data(value, key, data_range=[0, 0])
+    polydata._add_metadata(metadata)
     return polydata
 
 
 def convert_aperture(aperture: Aperture) -> List[PolyData]:
     polydata = convert_face_3d(aperture.geometry)
     metadata = polydata._get_metadata(aperture)
-    for key, value in metadata.items():
-        polydata.add_data(value, key, data_range=[0, 0])
+    polydata._add_metadata(metadata)
     data = [polydata]
     for shade in aperture.outdoor_shades:
         polydata = convert_shade(shade)
@@ -125,8 +123,7 @@ def convert_face(face: Face) -> List[PolyData]:
 
     polydata = convert_face_3d(face.punched_geometry)
     metadata = polydata._get_metadata(face)
-    for key, value in metadata.items():
-        polydata.add_data(value, key, data_range=[0, 0])
+    polydata._add_metadata(metadata)
     data = [polydata]
     for aperture in face.apertures:
         data.extend(convert_aperture(aperture))

honeybee_vtk/types.py

@@ -273,6 +273,15 @@ def _get_metadata(self, hb_object: Union[Face, Aperture, Shade]) -> Dict[str, li
 
         return metadata
 
+    def _add_metadata(self, metadata: Dict[str, list]) -> None:
+        """Add metadata to Polydata.
+
+        Args:
+            metadata: A dictionary generated from _get_metadata method.
+        """
+        for key, value in metadata.items():
+            self.add_data(value, key, data_range=[0, 0])
+
     def __repr__(self) -> Tuple[str]:
         return (
             f'Name: {self.name} |'