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from opendc.models.model import Model
from opendc.models.user import User
from opendc.util.exceptions import ClientError
from opendc.util.rest import Response
class Topology(Model):
"""Model representing a Simulation."""
collection_name = 'topologies'
def check_user_access(self, google_id, edit_access):
"""Raises an error if the user with given [google_id] has insufficient access.
Checks access on the parent simulation.
:param google_id: The Google ID of the user.
:param edit_access: True when edit access should be checked, otherwise view access.
"""
user = User.from_google_id(google_id)
if 'simulationId' not in self.obj:
raise ClientError(Response(400, 'Missing simulationId in topology.'))
authorizations = list(
filter(lambda x: str(x['simulationId']) == str(self.obj['simulationId']), user.obj['authorizations']))
if len(authorizations) == 0 or (edit_access and authorizations[0]['authorizationLevel'] == 'VIEW'):
raise ClientError(Response(403, 'Forbidden from retrieving topology.'))
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