Changing task scheduled dates now auto updates its related quantity take off data

src/blenderbim/blenderbim/bim/module/model/handler.py

@@ -1,7 +1,7 @@
 import bpy
 import ifcopenshell
 import ifcopenshell.api
-from blenderbim.bim.module.model import root, product, wall, slab, profile, opening
+from blenderbim.bim.module.model import root, product, wall, slab, profile, opening, task
 from blenderbim.bim.ifc import IfcStore
 from bpy.app.handlers import persistent
 
@@ -15,6 +15,11 @@ def load_post(*args):
     ifcopenshell.api.add_post_listener(
         "geometry.add_representation", "BlenderBIM.Product.GenerateBox", product.generate_box
     )
+
+    ifcopenshell.api.add_post_listener(
+        "sequence.edit_task_time", "BlenderBIM.Task.CalculateQuantities", task.calculate_quantities
+    )
+
     ifcopenshell.api.add_post_listener(
         "material.edit_profile_usage",
         "BlenderBIM.Product.RegenerateProfileUsage",
@@ -22,8 +27,10 @@ def load_post(*args):
     )
 
     IfcStore.add_element_listener(opening.element_listener)
-
     IfcStore.add_element_listener(wall.element_listener)
+    IfcStore.add_element_listener(slab.element_listener)
+    IfcStore.add_element_listener(profile.element_listener)
+
     ifcopenshell.api.add_pre_listener(
         "geometry.add_representation", "BlenderBIM.DumbWall.EnsureSolid", wall.ensure_solid
     )
@@ -40,7 +47,6 @@ def load_post(*args):
         "type.assign_type", "BlenderBIM.DumbWall.RegenerateFromType", wall.DumbWallPlaner().regenerate_from_type
     )
 
-    IfcStore.add_element_listener(slab.element_listener)
     ifcopenshell.api.add_pre_listener(
         "geometry.add_representation", "BlenderBIM.DumbSlab.EnsureSolid", slab.ensure_solid
     )
@@ -57,7 +63,6 @@ def load_post(*args):
         "type.assign_type", "BlenderBIM.DumbSlab.RegenerateFromType", slab.DumbSlabPlaner().regenerate_from_type
     )
 
-    IfcStore.add_element_listener(profile.element_listener)
     ifcopenshell.api.add_pre_listener(
         "geometry.add_representation", "BlenderBIM.DumbProfile.EnsureSolid", profile.ensure_solid
     )

src/blenderbim/blenderbim/bim/module/model/task.py

@@ -0,0 +1,28 @@
+import ifcopenshell
+import ifcopenshell.api
+import ifcopenshell.util.date
+from ifcopenshell.api.pset.data import Data as PsetData
+
+
+def calculate_quantities(usecase_path, ifc_file, settings):
+    if not set(["ScheduleStart", "ScheduleFinish", "ScheduleDuration"]).intersection(
+        set(settings["attributes"].keys())
+    ):
+        return
+    element = settings["task_time"]
+    if not element.ScheduleDuration:
+        return
+    task = [e for e in ifc_file.get_inverse(element) if e.is_a("IfcTask")][0]
+    qto = ifcopenshell.api.run(
+        "pset.add_qto", ifc_file, should_run_listeners=False, product=task, name="Qto_TaskBaseQuantities"
+    )
+    ifcopenshell.api.run(
+        "pset.edit_qto",
+        ifc_file,
+        should_run_listeners=False,
+        qto=qto,
+        properties={
+            "StandardWork": ifcopenshell.util.date.ifc2datetime(element.ScheduleDuration).days,
+        },
+    )
+    PsetData.load(ifc_file, task.id())