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from datetime import datetime
from opendc.models.simulation import Simulation
from opendc.models.topology import Topology
from opendc.util import exceptions
from opendc.util.rest import Response
from opendc.util.database import Database
def POST(request):
"""Add a new Topology to the specified simulation and return it"""
# Make sure required parameters are there
try:
request.check_required_parameters(path={'simulationId': 'string'}, body={'topology': {'name': 'string'}})
except exceptions.ParameterError as e:
return Response(400, str(e))
simulation = Simulation.from_id(request.params_path['simulationId'])
validation_error = simulation.validate()
if validation_error is not None:
return validation_error
access_error = simulation.validate_user_access(request.google_id, False)
if access_error is not None:
return access_error
topology = Topology({'name': request.params_body['topology']['name']})
topology.set_property('datetimeCreated', Database.datetime_to_string(datetime.now()))
topology.set_property('datetimeLastEdited', Database.datetime_to_string(datetime.now()))
topology.insert()
simulation.obj['topologyIds'].append(topology.obj['_id'])
simulation.set_property('datetimeLastEdited', Database.datetime_to_string(datetime.now()))
simulation.update()
# Instantiate the user from the request, and add this topology object to their authorizations
return Response(200, 'Successfully inserted topology.', topology.obj)
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