def put_buffer(self, buffer):
station = self.station
new_timestamp = buffer['timestamp']
new_broadcasts = buffer['broadcasts']
#Retrieving broadcasts from datastore
key_names = []
for i in xrange(0,len(new_broadcasts)):
b = new_broadcasts[i]
key_names.append(b['key_name'])
broadcasts = Broadcast.get_by_key_name(key_names)
b_keys = []
for i in xrange(0,len(broadcasts)):
b_key = broadcasts[i]
b_keys.append(b_key.key())
station.timestamp = new_timestamp
station.broadcasts = b_keys
station.active = datetime.utcnow()
station.put()
logging.info("Buffer put in datastore")
self._buffer = {
'broadcasts':new_broadcasts,
'timestamp': new_timestamp
}
memcache.set(self._memcache_station_id, station)
logging.info("Station updated in memcache")
memcache.set(self._memcache_station_buffer_id, self._buffer)
logging.info("Buffer updated in memcache")
def get(self, key_name):
broadcast = Broadcast.get_by_key_name(key_name)
if(broadcast):
m = re.match(r"(\w+).(\w+)", key_name)
shortname = m.group(1)
self.station_proxy = StationApi(shortname)
user_agent = self.request.headers["User-Agent"]
facebook_agent = "facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)"
if(user_agent != facebook_agent):
# Redirect to station
self.redirect("/" + shortname)
else:
# Facebook linter
station = self.station_proxy.station
template_values = {
"broadcast" : broadcast,
}
self.render("station/facebook/broadcast.html", template_values)
else:
# 404 error
self.render("station/404.html", None)
