Feature to Add Crew Resources and SubContract Resources with the ifcopenshell.api and blenderB

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

@@ -0,0 +1,30 @@
+import ifcopenshell.api
+import ifcopenshell.util.date
+from datetime import datetime
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "name": "Unnamed",
+            "predefined_type": "NOTDEFINED",
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        crew_resource = ifcopenshell.api.run(
+            "root.create_entity",
+            self.file,
+            ifc_class="IfcCrewResource",
+            predefined_type=self.settings["predefined_type"],
+            name=self.settings["name"],
+        )
+        # TODO: this is an ambiguity by buildingSMART: Can we nest and IfcCrewResource under an ifcCrewResource ?
+        # See https://forums.buildingsmart.org/t/is-the-ifcCrewResource-project-declaration-mutually-exclusive-to-aggregation-within-a-relating-ifcworkplan/3510
+        context = self.file.by_type("IfcContext")[0]
+        ifcopenshell.api.run(
+            "project.assign_declaration", self.file, definition=crew_resource, relating_context=context
+        )
+        return crew_resource