Files
IfcOpenShell/src/ifcopenshell-python/ifcopenshell/api/project/assign_declaration.py
T
2022-01-19 12:18:33 +11:00

73 lines
2.8 KiB
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 ifcopenshell
import ifcopenshell.api
class Usecase:
def __init__(self, file, **settings):
self.file = file
self.settings = {
"definition": None,
"relating_context": None,
}
for key, value in settings.items():
self.settings[key] = value
def execute(self):
declares = None
if self.settings["relating_context"].Declares:
declares = self.settings["relating_context"].Declares[0]
if not hasattr(self.settings["definition"], "HasContext"):
return
has_context = None
if self.settings["definition"].HasContext:
has_context = self.settings["definition"].HasContext[0]
if has_context and has_context == declares:
return
if has_context:
related_definitions = list(has_context.RelatedDefinitions)
related_definitions.remove(self.settings["definition"])
if related_definitions:
has_context.RelatedDefinitions = related_definitions
ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": has_context})
else:
self.file.remove(has_context)
if declares:
related_definitions = set(declares.RelatedDefinitions)
related_definitions.add(self.settings["definition"])
declares.RelatedDefinitions = list(related_definitions)
ifcopenshell.api.run("owner.update_owner_history", self.file, **{"element": declares})
else:
declares = self.file.create_entity(
"IfcRelDeclares",
**{
"GlobalId": ifcopenshell.guid.new(),
"OwnerHistory": ifcopenshell.api.run("owner.create_owner_history", self.file),
"RelatedDefinitions": [self.settings["definition"]],
"RelatingContext": self.settings["relating_context"],
}
)
return declares