def get(self, request, ref_num, *args, **kwargs):
serializer = serializers.RequestTransactionCallbackGet(
data=request.query_params)
if serializer.is_valid():
temp_transaction = cache.get("transaction:%s" % (ref_num))
transaction = None
if temp_transaction is not None:
transaction = json.loads(temp_transaction)
context = transaction
context['state'] = 'pay'
if 'gateway' in transaction and transaction['gateway']:
gateway = Gateway.objects.filter(
id=transaction['gateway']).first()
if serializer.validated_data['state'] == 'error':
Transaction.add_to_db(
transaction,
ref_num,
gateway,
False,
details={
'error_key':
serializer.validated_data.get(
'error_key',
'unknown',
),
'error_message':
serializer.validated_data.get(
'error_message',
'unknown',
)
})
else:
result = Transaction.confirm_request(
ref_num, gateway, transaction['amount'])
if result is not None:
Transaction.add_to_db(transaction, ref_num,
gateway, result)
return redirect('/transaction/payment/%s' % (ref_num))
else:
cache.delete("transaction:%s" % (ref_num))
return redirect('/transaction/payment/%s' % (ref_num))
else:
return redirect('/transaction/payment/%s' % (ref_num))
else:
return Response({"message": serializer.errors},
status=status.HTTP_400_BAD_REQUEST)
