def post(self):
if not self.request.get('Caller'):
raise ValueError('No caller available for call %s' %
self.request.get('CallGuid'))
caller = Subscriber.get_by_key_name(self.request.get('Caller'))
if self.request.get('Digits'):
if not caller:
# create new subscriber
caller = Subscriber(
key_name = str(self.request.get('Caller')),
phone_number = self.request.get('Caller')
)
caller.days_subscribed = int(self.request.get('Digits'))
if caller.days_subscribed > app_settings.MAX_DAYS:
caller.days_subscribed = app_settings.MAX_DAYS
caller.call_guid = self.request.get('CallGuid')
caller.zip_code = int(self.request.get('CallerZip'))
caller.put()
# add call scheduler as background task
defer(methods.schedule_checks, caller.key().name(), caller.days_subscribed)
if caller:
days_subscribed = caller.days_subscribed
else:
days_subscribed = None
self.context = {
'days_subscribed': days_subscribed,
'base_url': 'http://' + os.environ['HTTP_HOST']
}
return xml_response(self, 'gather.xml', self.context)
def schedule_checks(phone_number, days_subscribed):
""" schedule checks at precise intervals throughout day for a subscriber """
caller = Subscriber.get_by_key_name(str(phone_number))
# TODO: use caller.zip_code to adjust call times for timezones
now = datetime.datetime.now()
if now.hour < 17:
now_day = (now - datetime.timedelta(days=1))
else:
now_day = now
for day in range(days_subscribed):
now_day += datetime.timedelta(days=1)
for check_time in (13, 15, 17):
check_time -= 4 #for New York. 7 for San Francisco
eta = datetime.datetime(year=now_day.year,
month=now_day.month,day=now_day.day, hour=check_time)
if eta < now:
continue
defer(scheduled_check, phone_number,caller.call_guid, _eta=eta)