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https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
69 lines
2.8 KiB
Python
69 lines
2.8 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell
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import ifcopenshell.api
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import ifcopenshell.util.element
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class Usecase:
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def __init__(self, file, cost_item=None):
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"""Removes a cost item
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All associated relationships with the cost item are also removed,
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however the related resources, products, and tasks themselves are
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retained.
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:param cost_item: The IfcCostItem entity you want to remove
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:type cost_item: ifcopenshell.entity_instance.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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schedule = ifcopenshell.api.run("cost.add_cost_schedule", model)
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item = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)
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ifcopenshell.api.run("cost.remove_cost_item", model, cost_item=item)
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"""
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self.file = file
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self.settings = {"cost_item": cost_item}
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def execute(self):
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# TODO: do a deep purge
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for inverse in self.file.get_inverse(self.settings["cost_item"]):
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if inverse.is_a("IfcRelNests"):
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if inverse.RelatingObject == self.settings["cost_item"]:
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for related_object in inverse.RelatedObjects:
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ifcopenshell.api.run("cost.remove_cost_item", self.file, cost_item=related_object)
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elif inverse.RelatedObjects == (self.settings["cost_item"],):
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history = inverse.OwnerHistory
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self.file.remove(inverse)
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if history:
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ifcopenshell.util.element.remove_deep2(self.file, history)
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elif inverse.is_a("IfcRelAssignsToControl"):
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history = inverse.OwnerHistory
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self.file.remove(inverse)
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if history:
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ifcopenshell.util.element.remove_deep2(self.file, history)
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history = self.settings["cost_item"].OwnerHistory
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self.file.remove(self.settings["cost_item"])
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if history:
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ifcopenshell.util.element.remove_deep2(self.file, history)
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