You can now parametrically derive task durations from resource utilisation

src/blenderbim/blenderbim/bim/module/sequence/__init__.py

@@ -98,6 +98,7 @@ classes = (
     operator.LoadTaskInputs,
     operator.LoadTaskResources,
     operator.LoadTaskOutputs,
+    operator.DeriveTaskDuration,
     prop.WorkPlan,
     prop.BIMWorkPlanProperties,
     prop.Task,

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

@@ -443,7 +443,7 @@ class AddTask(bpy.types.Operator):
     def _execute(self, context):
         props = context.scene.BIMWorkScheduleProperties
         self.file = IfcStore.get_file()
-        ifcopenshell.api.run("sequence.add_task", self.file, **{"parent_task": self.file.by_id(self.task)})
+        ifcopenshell.api.run("sequence.add_task", self.file, parent_task=self.file.by_id(self.task))
         Data.load(self.file)
         bpy.ops.bim.enable_editing_tasks(work_schedule=props.active_work_schedule_id)
         return {"FINISHED"}
@@ -461,7 +461,7 @@ class AddSummaryTask(bpy.types.Operator):
     def _execute(self, context):
         props = context.scene.BIMWorkScheduleProperties
         self.file = IfcStore.get_file()
-        ifcopenshell.api.run("sequence.add_task", self.file, **{"work_schedule": self.file.by_id(self.work_schedule)})
+        ifcopenshell.api.run("sequence.add_task", self.file, work_schedule=self.file.by_id(self.work_schedule))
         Data.load(self.file)
         bpy.ops.bim.enable_editing_tasks(work_schedule=props.active_work_schedule_id)
         return {"FINISHED"}
@@ -2098,9 +2098,24 @@ class LoadTaskOutputs(bpy.types.Operator):
         self.tprops = context.scene.BIMTaskTreeProperties
         ifc_definition_id = self.tprops.tasks[self.props.active_task_index].ifc_definition_id
         self.props.task_outputs.clear()
-        for output_id in Data.tasks[ifc_definition_id]["outputs"]:
+        for output_id in Data.tasks[ifc_definition_id]["Outputs"]:
             product = self.file.by_id(output_id)
             new = self.props.task_outputs.add()
             new.ifc_definition_id = output_id
             new.name = product.Name or "Unnamed"
         return {"FINISHED"}
+
+
+class DeriveTaskDuration(bpy.types.Operator):
+    bl_idname = "bim.derive_task_duration"
+    bl_label = "Derive Task Duration"
+    bl_options = {"REGISTER", "UNDO"}
+    task: bpy.props.IntProperty()
+
+    def execute(self, context):
+        props = context.scene.BIMWorkScheduleProperties
+        self.file = IfcStore.get_file()
+        ifcopenshell.api.run("sequence.calculate_task_duration", self.file, task=self.file.by_id(self.task))
+        Data.load(self.file)
+        bpy.ops.bim.enable_editing_tasks(work_schedule=props.active_work_schedule_id)
+        return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/sequence/ui.py

@@ -363,9 +363,7 @@ class BIM_PT_task_icom(Panel):
             op.related_object = ""
 
         row2 = col.row()
-        row2.template_list(
-            "BIM_UL_task_inputs", "", self.props, "task_inputs", self.props, "active_task_input_index"
-        )
+        row2.template_list("BIM_UL_task_inputs", "", self.props, "task_inputs", self.props, "active_task_input_index")
 
         # Column2
         col = grid.column()
@@ -373,17 +371,24 @@ class BIM_PT_task_icom(Panel):
         row2 = col.row(align=True)
         row2.label(text="Resources")
 
+        op = row2.operator("bim.derive_task_duration", text="", icon="TIME")
+        op.task = task.ifc_definition_id
+
         total_resources = len(context.scene.BIMResourceTreeProperties.resources)
         if total_resources and context.scene.BIMResourceProperties.active_resource_index < total_resources:
-            resource_id = context.scene.BIMResourceTreeProperties.resources[context.scene.BIMResourceProperties.active_resource_index].ifc_definition_id
             op = row2.operator("bim.assign_process", icon="ADD", text="")
             op.task = task.ifc_definition_id
             op.related_object_type = "RESOURCE"
-            op.resource = resource_id
+            op.resource = context.scene.BIMResourceTreeProperties.resources[
+                context.scene.BIMResourceProperties.active_resource_index
+            ].ifc_definition_id
+
+        total_task_resources = len(self.props.task_resources)
+        if total_task_resources and self.props.active_task_resource_index < total_task_resources:
             op = row2.operator("bim.unassign_process", icon="REMOVE", text="")
             op.task = task.ifc_definition_id
             op.related_object_type = "RESOURCE"
-            op.resource = resource_id
+            op.resource = self.props.task_resources[self.props.active_task_resource_index].ifc_definition_id
 
         row2 = col.row()
         row2.template_list(
@@ -430,7 +435,7 @@ class BIM_UL_task_inputs(UIList):
         if item:
             row = layout.row(align=True)
             row.prop(item, "name", emboss=False, text="")
-            #row.operator("bim.remove_task_column", text="", icon="X").name = item.name
+            # row.operator("bim.remove_task_column", text="", icon="X").name = item.name
 
 
 class BIM_UL_task_resources(UIList):