First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Any
+
+import ifcopenshell
+import ifcopenshell.api.sequence
+import ifcopenshell.util.constraint
+import ifcopenshell.util.date
+import ifcopenshell.util.resource
+
+
+def edit_resource_time(
+    file: ifcopenshell.file, resource_time: ifcopenshell.entity_instance, attributes: dict[str, Any]
+) -> None:
+    """Edits the attributes of an IfcResourceTime
+
+    For more information about the attributes and data types of an
+    IfcResourceTime, consult the IFC documentation.
+
+    :param resource_time: The IfcResourceTime entity you want to edit
+    :param attributes: a dictionary of attribute names and values.
+    :return: None
+
+    Example:
+
+    .. code:: python
+
+        # Add our own crew
+        crew = ifcopenshell.api.resource.add_resource(model, ifc_class="IfcCrewResource")
+
+        # Add some labour to our crew.
+        labour = ifcopenshell.api.resource.add_resource(model,
+            parent_resource=crew, ifc_class="IfcLaborResource")
+
+        # Labour resource is quantified in terms of time.
+        ifcopenshell.api.resource.add_resource_quantity(model,
+            resource=labour, ifc_class="IfcQuantityTime")
+
+        # Store the unit time used in hours
+        ifcopenshell.api.resource.edit_resource_quantity(model,
+            physical_quantity=time, attributes={"TimeValue": 8.0})
+
+        # Let's imagine we've used the resource for 2 days.
+        time = ifcopenshell.api.resource.add_resource_time(model, resource=labour)
+        ifcopenshell.api.resource.edit_resource_time(model,
+            resource_time=time, attributes={"ScheduleWork": "P16H"})
+    """
+    usecase = Usecase()
+    usecase.file = file
+    return usecase.execute(resource_time, attributes)
+
+
+class Usecase:
+    file: ifcopenshell.file
+
+    def execute(self, resource_time: ifcopenshell.entity_instance, attributes: dict[str, Any]) -> None:
+        resource = self.get_resource(resource_time)
+
+        # If the user specifies both an end date and a duration, the duration takes priority
+        if attributes.get("ScheduleWork", None) and "ScheduleFinish" in attributes.keys():
+            del attributes["ScheduleFinish"]
+        if attributes.get("ActualWork", None) and "ActualFinish" in attributes.keys():
+            del attributes["ActualFinish"]
+
+        for name, value in attributes.items():
+            metrics = ifcopenshell.util.constraint.get_metric_constraints(resource, "Usage." + name)
+            if metrics and ifcopenshell.util.constraint.is_hard_constraint(metrics[0]):
+                continue
+            if value:
+                if "Start" in name or "Finish" in name or name == "StatusTime":
+                    value = ifcopenshell.util.date.datetime2ifc(value, "IfcDateTime")
+                elif name == "ScheduleWork" or name == "ActualWork" or name == "RemainingTime":
+                    value = ifcopenshell.util.date.datetime2ifc(value, "IfcDuration")
+            setattr(resource_time, name, value)
+            if name == "ScheduleUsage" and ifcopenshell.util.constraint.get_metric_constraints(
+                resource, "Usage.ScheduleWork"
+            ):
+                task = ifcopenshell.util.resource.get_task_assignments(resource)
+                if task:
+                    ifcopenshell.api.sequence.calculate_task_duration(self.file, task=task)
+
+    def get_resource(self, resource_time: ifcopenshell.entity_instance) -> ifcopenshell.entity_instance:
+        return next(e for e in self.file.get_inverse(resource_time) if e.is_a("IfcResource"))