Refactor to usecase as asked in #1881 (#1907)

src/blenderbim/blenderbim/bim/module/boundary/operator.py

@@ -257,12 +257,12 @@ class EditBoundaryAttributes(bpy.types.Operator):
     def _execute(self, context):
         bprops = context.active_object.bim_boundary_properties
         boundary = tool.Ifc.get_entity(context.active_object)
+        attributes = dict()
         for ifc_attribute, blender_property in EDITABLE_ATTRIBUTES.items():
-            if not hasattr(boundary, ifc_attribute):
-                continue
             obj = getattr(bprops, blender_property, None)
             entity = tool.Ifc.get_entity(obj)
-            setattr(boundary, ifc_attribute, entity)
+            attributes[blender_property] = entity
+        ifcopenshell.api.run("boundary.edit_attributes", tool.Ifc.get(), entity=boundary, **attributes)
         bpy.ops.bim.disable_editing_boundary()
         return {"FINISHED"}
 

src/ifcopenshell-python/ifcopenshell/api/boundary/edit_attributes.py

@@ -0,0 +1,19 @@
+class Usecase:
+    def __init__(self, file, **kwargs):
+        """location, axis and ref_direction defines the plane"""
+        self.file = file
+        self.entity: "IfcRelSpaceBoundary"
+        self.relating_space: "IfcSpace | IfcExternalSpatialElement"
+        self.related_building_element: "IfcElement"
+        self.parent_boundary: "IfcRelSpaceBoundary" = None
+        self.corresponding_boundary: "IfcRelSpaceBoundary" = None
+        for key, value in kwargs.items():
+            setattr(self, key, value)
+
+    def execute(self):
+        self.entity.RelatingSpace = self.relating_space
+        self.entity.RelatedBuildingElement = self.related_building_element
+        if hasattr(self.entity, "ParentBoundary"):
+            self.entity.ParentBoundary = self.parent_boundary
+        if hasattr(self.entity, "CorrespondingBoundary"):
+            self.entity.CorrespondingBoundary = self.corresponding_boundary