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IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/resource/calculate_resource_usage.py
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Andrej730 c50d1ea2fe typing
2024-05-10 19:18:08 +05:00

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Python

# 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/>.
import math
import ifcopenshell.api
import ifcopenshell.util.constraint
import ifcopenshell.util.date
import ifcopenshell.util.element
import ifcopenshell.util.resource
def calculate_resource_usage(file: ifcopenshell.file, resource: ifcopenshell.entity_instance) -> None:
"""Calculates the number of resources required to perform scheduled work on a task."""
settings = {"resource": resource}
if ifcopenshell.util.constraint.is_attribute_locked(settings["resource"], "Usage.ScheduleUsage"):
return
if not settings["resource"].Usage or not settings["resource"].Usage.ScheduleWork:
return
task = ifcopenshell.util.resource.get_task_assignments(settings["resource"])
if not task or not task.TaskTime:
return
if not task.TaskTime.DurationType or task.TaskTime.DurationType == "WORKTIME":
hours_per_day = 8
else:
hours_per_day = 24
task_duration = ifcopenshell.util.date.ifc2datetime(task.TaskTime.ScheduleDuration)
seconds = task_duration.days * hours_per_day * 60 * 60
seconds += task_duration.seconds
person_hours = ifcopenshell.util.date.ifc2datetime(settings["resource"].Usage.ScheduleWork)
required_resources = person_hours.total_seconds() / seconds
settings["resource"].Usage.ScheduleUsage = float(required_resources)