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from opendc.models.experiment import Experiment
from opendc.util import database, exceptions
from opendc.util.rest import Response
def GET(request):
"""Get this Experiment's last simulated tick."""
# Make sure required parameters are there
try:
request.check_required_parameters(
path = {
'simulationId': 'int',
'experimentId': 'int'
}
)
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate an Experiment from the database
experiment = Experiment.from_primary_key((request.params_path['experimentId'],))
# Make sure this Experiment exisits
if not experiment.exists():
return Response(404, '{} not found.'.format(experiment))
# Make sure this user is authorized to view this Experiment's last simulated tick
if not experiment.google_id_has_at_least(request.google_id, 'VIEW'):
return Response(403, 'Forbidden from viewing Room States for {}.'.format(experiment))
# Get and return the last simulated tick
last_simulated_tick = experiment.get_last_simulated_tick()
return Response(
200,
'Successfully retrieved Room States for {}.'.format(experiment),
{'lastSimulatedTick': last_simulated_tick}
)
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