dataservices-api/server/lib/python/cartodb_geocoder/example/server_func_example.sql
2015-11-11 12:30:59 +01:00

28 lines
1.1 KiB
PL/PgSQL

CREATE OR REPLACE
FUNCTION geocode_admin0(search text, tx_id bigint, user_id name)
RETURNS Geometry AS
$$
import logging
from cartodb_geocoder import quota_service
LOG_FILENAME = '/tmp/plpython.log'
logging.basicConfig(filename=LOG_FILENAME,level=logging.DEBUG)
if user_id in SD and tx_id in SD[user_id] and 'redis_connection' in SD[user_id][tx_id]:
logging.debug("Using redis cached connection...")
qs = quota_service.QuotaService(user_id, tx_id, redis_connection=SD[user_id][tx_id]['redis_connection'])
else:
qs = quota_service.QuotaService(user_id, tx_id, redis_host='localhost', redis_port=6379, redis_db=5)
if qs.check_user_quota():
result = plpy.execute("SELECT geom FROM geocode_admin0_polygons(Array[\'{0}\']::text[])".format(search))
if result.status() == 5 and result.nrows() == 1:
qs.increment_geocoder_use()
SD[user_id] = {tx_id: {'redis_connection': qs.user_service.redis_connection}}
return result[0]["geom"]
else:
raise Exception('Something wrong with the georefence operation')
else:
raise Exception('Not enough quota for this user')
$$ LANGUAGE plpythonu;