2022-01-19 12:18:33 +11:00
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# 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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2022-01-14 18:00:08 +11:00
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import ifcopenshell
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import ifcopenshell.api
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class Usecase:
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def __init__(self, file, **settings):
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self.file = file
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self.settings = {
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"relating_product": None,
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"related_object": None,
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}
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for key, value in settings.items():
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self.settings[key] = value
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def execute(self):
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if self.settings["related_object"].HasAssignments:
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for assignment in self.settings["related_object"].HasAssignments:
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if (
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assignment.is_a("IfcRelAssignsToProduct")
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and assignment.RelatingProduct == self.settings["relating_product"]
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):
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return
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referenced_by = None
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if self.settings["relating_product"].ReferencedBy:
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referenced_by = self.settings["relating_product"].ReferencedBy[0]
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if referenced_by:
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related_objects = list(referenced_by.RelatedObjects)
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related_objects.append(self.settings["related_object"])
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referenced_by.RelatedObjects = related_objects
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ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": referenced_by})
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else:
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referenced_by = self.file.create_entity(
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"IfcRelAssignsToProduct",
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**{
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"GlobalId": ifcopenshell.guid.new(),
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"OwnerHistory": ifcopenshell.api.run("owner.create_owner_history", self.file),
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"RelatedObjects": [self.settings["related_object"]],
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"RelatingProduct": self.settings["relating_product"],
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}
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)
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return referenced_by
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