dataservices-api/server/extension/sql/0.4.0/20_geocode_street.sql
2016-02-09 10:51:12 +01:00

85 lines
4.6 KiB
PL/PgSQL

-- Geocodes a street address given a searchtext and a state and/or country
CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
RETURNS Geometry AS $$
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
if user_geocoder_config.heremaps_geocoder:
here_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_here_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
return plpy.execute(here_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
elif user_geocoder_config.google_geocoder:
google_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_google_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
return plpy.execute(google_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
else:
plpy.error('Requested geocoder is not available')
$$ LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_here_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
RETURNS Geometry AS $$
from cartodb_services.here import HereMapsGeocoder
from cartodb_services.metrics import QuotaService
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
# -- Check the quota
quota_service = QuotaService(user_geocoder_config, redis_conn)
if not quota_service.check_user_quota():
plpy.error('You have reach the limit of your quota')
try:
geocoder = HereMapsGeocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code)
coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country)
if coordinates:
quota_service.increment_success_geocoder_use()
plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
return point['st_setsrid']
else:
quota_service.increment_empty_geocoder_use()
return None
except BaseException as e:
import sys, traceback
type_, value_, traceback_ = sys.exc_info()
quota_service.increment_failed_geocoder_use()
error_msg = 'There was an error trying to geocode using here maps geocoder: {0}'.format(e)
plpy.notice(traceback.format_tb(traceback_))
plpy.error(error_msg)
finally:
quota_service.increment_total_geocoder_use()
$$ LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_google_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
RETURNS Geometry AS $$
from cartodb_services.google import GoogleMapsGeocoder
from cartodb_services.metrics import QuotaService
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
quota_service = QuotaService(user_geocoder_config, redis_conn)
try:
geocoder = GoogleMapsGeocoder(user_geocoder_config.google_client_id, user_geocoder_config.google_api_key)
coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country)
if coordinates:
quota_service.increment_success_geocoder_use()
plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
return point['st_setsrid']
else:
quota_service.increment_empty_geocoder_use()
return None
except BaseException as e:
import sys, traceback
type_, value_, traceback_ = sys.exc_info()
quota_service.increment_failed_geocoder_use()
error_msg = 'There was an error trying to geocode using google maps geocoder: {0}'.format(e)
plpy.notice(traceback.format_tb(traceback_))
plpy.error(error_msg)
finally:
quota_service.increment_total_geocoder_use()
$$ LANGUAGE plpythonu;