Assign control to cost items and UX Workschedules and Costchedules cleanup

src/ifcopenshell-python/ifcopenshell/api/control/assign_control.py

@@ -6,8 +6,8 @@ class Usecase:
     def __init__(self, file, **settings):
         self.file = file
         self.settings = {
-            "related_object": None,
             "relating_control": None,
+            "related_object": None,
         }
         for key, value in settings.items():
             self.settings[key] = value
@@ -38,6 +38,6 @@ class Usecase:
                     "OwnerHistory": ifcopenshell.api.run("owner.create_owner_history", self.file),
                     "RelatedObjects": [self.settings["related_object"]],
                     "RelatingControl": self.settings["relating_control"],
-                }
+                },
             )
         return controls

src/ifcopenshell-python/ifcopenshell/api/control/unassign_control.py

@@ -0,0 +1,25 @@
+import ifcopenshell
+import ifcopenshell.api
+
+
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {
+            "relating_control": None,
+            "related_object": None,
+        }
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        for rel in self.settings["related_object"].HasAssignments or []:
+            if not rel.is_a("IfcRelAssignsToControl") or rel.RelatingControl != self.settings["relating_control"]:
+                continue
+            if len(rel.RelatedObjects) == 1:
+                return self.file.remove(rel)
+            related_objects = list(rel.RelatedObjects)
+            related_objects.remove(self.settings["related_object"])
+            rel.RelatedObjects = related_objects
+            ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": rel})
+            return rel

src/ifcopenshell-python/ifcopenshell/api/cost/data.py

@@ -38,7 +38,10 @@ class Data:
             del data["CostValues"]
             del data["CostQuantities"]
             data["RelatedObjects"] = []
+            data["Controls"] = []
             for rel in cost_item.IsNestedBy:
                 [data["RelatedObjects"].append(o.id()) for o in rel.RelatedObjects if o.is_a("IfcCostItem")]
+            for rel in cost_item.Controls:
+                [data["Controls"].append(o.id()) for o in rel.RelatedObjects or []]
             cls.cost_items[cost_item.id()] = data
         cls.is_loaded=True

src/ifcopenshell-python/ifcopenshell/api/cost/edit_cost_item.py

@@ -0,0 +1,10 @@
+class Usecase:
+    def __init__(self, file, **settings):
+        self.file = file
+        self.settings = {"cost_item": None, "attributes": {}}
+        for key, value in settings.items():
+            self.settings[key] = value
+
+    def execute(self):
+        for name, value in self.settings["attributes"].items():
+            setattr(self.settings["cost_item"], name, value)