def post(self, request, *args, **kwargs):
"""Updates an Alert and its events"""
events = filter(lambda item: item[0] != 'csrfmiddlewaretoken' and item[0] != 'contract', request.POST.items())
auth_code = request.GET.get('code')
contract = request.POST.get('contract')
operation_type = request.POST.get('operation_type')
return_message = ''
if auth_code:
if operation_type == 'DELETE':
try:
dapp_obj = DApp.objects.get(authentication_code=auth_code)
dapp_obj.delete()
return_message = 'DApp was deleted'
except DApp.DoesNotExist:
return self.get(request, *args, **kwargs)
else:
try:
alert_obj = Alert.objects.get(
dapp__authentication_code=auth_code,
contract=contract
)
except Alert.DoesNotExist:
return self.get(request, *args, **kwargs)
if events:
events_obj = Event.objects.filter(alert=alert_obj.id)
events_obj.delete()
for event in events:
event_obj = Event()
event_obj.name = event[0]
event_obj.alert = alert_obj
event_obj.save()
return_message = 'Alert was updated.'
else:
# Delete Alert
alert_obj.delete()
return_message = 'Alert was deleted.'
kwargs['message'] = return_message
return self.get(request, *args, **kwargs)
def create(self, validated_data):
# Create the objects
eventvalue_obj = None
event_obj = None
alert_obj = None
try:
alert_obj = Alert.objects.get(
dapp__authentication_code=self.context['request'].auth.
authentication_code,
contract=validated_data.get('contract'))
except Alert.DoesNotExist:
alert_obj = Alert()
alert_obj.abi = validated_data.get('abi')
alert_obj.dapp = self.context['request'].auth
alert_obj.contract = validated_data.get('contract')
alert_obj.save()
if validated_data.get('events'):
events_obj = Event.objects.filter(alert=alert_obj.id)
events_obj.delete()
for key in validated_data.get('events'):
properties_dict = validated_data.get('events').get(key)
event_obj = Event()
event_obj.name = key
event_obj.alert = alert_obj
event_obj.save()
for propertykey, propertyvalue in properties_dict.iteritems():
# Event Value object
eventvalue_obj = EventValue()
eventvalue_obj.property = propertykey
eventvalue_obj.value = propertyvalue
eventvalue_obj.event = event_obj
eventvalue_obj.save()
else:
# Delete Alert when no Events in request body
alert_obj.delete()
return alert_obj
def post(self, request, *args, **kwargs):
"""Updates an Alert and its events"""
events = filter(
lambda item: item[0] != 'csrfmiddlewaretoken' and item[0] !=
'contract', request.POST.items())
auth_code = request.GET.get('code')
contract = request.POST.get('contract')
operation_type = request.POST.get('operation_type')
abi = request.POST.get('abi') # used in add contract form
return_message = ''
if auth_code:
if operation_type == 'DELETE':
# deletes a DApp and its alerts
try:
dapp_obj = DApp.objects.get(authentication_code=auth_code)
dapp_obj.delete()
return_message = 'DApp was deleted'
except DApp.DoesNotExist:
return self.get(request, *args, **kwargs)
elif operation_type == 'ADD_CONTRACT':
# Creates a new alert for the provided contract
try:
kwargs['contract_errors'] = []
json_abi = json.loads(abi)
if abi and isinstance(json_abi, list) and contract:
# check if the alert already exists
dapp_obj = DApp.objects.get(
authentication_code=auth_code)
try:
Alert.objects.get(contract=contract,
dapp_id=dapp_obj.id)
kwargs['contract_errors'].append(
"The contract already exists.")
except Alert.DoesNotExist:
# Create the new alert
alert_obj = Alert()
alert_obj.abi = abi
alert_obj.dapp = dapp_obj
alert_obj.contract = contract
alert_obj.save()
return_message = "Contract created, please set the events."
else:
# form errors
if not contract or len(contract) == 0:
kwargs['contract_errors'].append(
"Contract is mandatory")
if not abi or len(abi) == 0 or not isinstance(
json.loads(abi), list):
kwargs['contract_errors'].append(
"Please provide a valid ABI string")
except ValueError:
kwargs['contract_errors'].append(
"Please provide a valid ABI string")
finally:
kwargs['contract'] = contract
kwargs['abi'] = abi
else:
try:
alert_obj = Alert.objects.get(
dapp__authentication_code=auth_code, contract=contract)
except Alert.DoesNotExist:
return self.get(request, *args, **kwargs)
if events:
events_obj = Event.objects.filter(alert=alert_obj.id)
events_obj.delete()
for event in events:
event_obj = Event()
event_obj.name = event[0]
event_obj.alert = alert_obj
event_obj.save()
return_message = 'Alert was updated.'
else:
# Delete Alert if no events are selected
alert_obj.delete()
return_message = 'Alert was deleted.'
kwargs['message'] = return_message
return self.get(request, *args, **kwargs)