def post(self):
stationid = self.request.get("stationid")
threshold = self.request.get("threshold")
twittername = self.request.get("twittername")
logging.info("added alert on %s for %s to @%s", stationid, threshold, twittername)
if stationid and threshold and twittername:
t = TwitterAlert(stationid=stationid, amount=int(threshold), twittername=twittername)
t.put()
self.redirect("/station/%s/?flash=Alarm toegevoegd!" % stationid)
def get(self):
logging.info("scanning twitter alerts")
q = ParticulateData.all()
q.filter("date", date.today())
results = q.fetch(1000)
for result in results:
# Check if there are outstanding alerts
q2 = TwitterAlert.all()
q2.filter("stationid", result.stationid)
alerts = q2.fetch(1000)
for alert in alerts:
logging.info("result value %d alert on %d", result.value, alert.amount)
if result.value > alert.amount:
# Send Tweet
targetuser = alert.twittername
logging.info("tweet to %s", targetuser)
updateString = (
"@%s De waarde voor station %s is morgen te hoog, nl: %d, zie: http://www.vervuilingsalarm.nl/station/%s/"
% (targetuser, result.stationid, result.value, result.stationid)
)
twitterQueue = taskqueue.Queue("twitterqueue")
twitterTask = taskqueue.Task(url="/sendtweets/worker/", params={"update": updateString})
twitterQueue.add(twitterTask)
