def post(self):
call_type = self.request.get('call', 'calculate')
if not self.is_valid_input(call_type, HOME_CALL_TYPE):
return self.render_json({'error': ERROR_INVALID_PARAM % 'call'})
if call_type == 'calculate':
calculation_object = self.request.get('cal_obj', '')
do_logging(calculation_object)
value = None
error = None
try:
value = eval(calculation_object)
except SyntaxError:
do_logging(traceback.format_exc())
error = "Invalid Syntax"
if not error:
Logs.add_obj(**{'user_name': self.request.cookies.get('user', 'random'),
'cal_obj': calculation_object + " = %s" % value,
'call_ip': self.request.remote_addr})
return self.render_json({'error': error,
'value': value,
'cal': calculation_object})
elif call_type == 'logs':
cursor = self.request.get('cursor', '')
logs = Logs.get_logs(cursor)
return self.render_json(logs)
def add_obj(cls, **kwarg):
'''cal_obj, call_ip are necessary and user_name is optional
'''
do_logging("in db")
cls(**kwarg).put()
def render_json(self, obj, do_log=True):
if do_log:
do_logging(obj)
response = webapp2.Response(json.dumps(obj))
response.content_type = 'text/json'
return response