def roll(self, **kwargs):
'''
Main router for the app. Passes a randomizer's parameters as JSON
and triggers a result.
'''
if 'session_id' in kwargs:
roll_session = RollSession.objects.get(
session_uuid=kwargs['session_id']).id
query = QueryDict('', mutable=True)
query.update(kwargs['parameters'])
json_args = json.dumps(kwargs['parameters'])
try:
rand = Randomizer.factory(query)
except RandomizerError as error:
self.send(HttpResponseServerError(error))
return
result = rand.get_new_result()
new_roll = RollHistory.objects.create(session_id=roll_session,
roll_input=json_args,
roll_output=json.dumps(result),
roll_date=now())
response = RollHistorySerializer(instance=new_roll).serialize()
self.publish(self.get_subscription_channels(),
{'message': response,
'type': 'single'})
def get_new_result(request):
'''
Generate a new result from a randomizer and return it
'''
json_param = request.GET.get('rand_parameters')
if json_param is None:
return HttpResponseServerError()
try:
dict_param = json.loads(json_param)
except ValueError as error:
return HttpResponseServerError(error)
try:
content = Randomizer.factory(dict_param).get_new_result()
except RandomizerError as error:
return HttpResponseServerError(error)
response = response_factory(request.GET.get('response_type', ''))(content)
return response