Code review with myoualid for IFC resource module

src/ifcopenshell-python/ifcopenshell/api/resource/add_resource.py

@@ -0,0 +1,35 @@
+import ifcopenshell.api
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "parent_resource": None,
+            "ifc_class": "IfcCrewResource",
+            "name": None,
+            "predefined_type": "NOTDEFINED",
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        resource = ifcopenshell.api.run(
+            "root.create_entity",
+            self.file,
+            ifc_class=self.settings["ifc_class"],
+            predefined_type=self.settings["predefined_type"],
+            name=self.settings["name"],
+        )
+        # TODO: this is an ambiguity by buildingSMART: Can we nest an IfcCrewResource under an IfcCrewResource ?
+        # https://forums.buildingsmart.org/t/what-are-allowed-to-be-root-level-construction-resources/3550
+        if self.settings["parent_resource"]:
+            ifcopenshell.api.run(
+                "nest.assign_object", self.file, related_object=resource, relating_object=self.settings["parent_resource"]
+            )
+        else:
+            context = self.file.by_type("IfcContext")[0]
+            ifcopenshell.api.run(
+                "project.assign_declaration", self.file, definition=resource, relating_context=context
+            )
+        return resource