diff --git a/server/extension/cdb_geocoder_server--0.2.0.sql b/server/extension/cdb_geocoder_server--0.2.0.sql new file mode 100644 index 0000000..7429649 --- /dev/null +++ b/server/extension/cdb_geocoder_server--0.2.0.sql @@ -0,0 +1,642 @@ +--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES +-- Complain if script is sourced in psql, rather than via CREATE EXTENSION +\echo Use "CREATE EXTENSION cdb_geocoder_server" to load this file. \quit +CREATE TYPE cdb_geocoder_server._redis_conf_params AS ( + sentinel_host text, + sentinel_port int, + sentinel_master_id text, + redis_db text, + timeout float +); + +-- Get the Redis configuration from the _conf table -- +CREATE OR REPLACE FUNCTION cdb_geocoder_server._get_redis_conf_v2(config_key text) +RETURNS cdb_geocoder_server._redis_conf_params AS $$ + conf_query = "SELECT cartodb.CDB_Conf_GetConf('{0}') as conf".format(config_key) + conf = plpy.execute(conf_query)[0]['conf'] + if conf is None: + plpy.error("There is no redis configuration defined") + else: + import json + params = json.loads(conf) + return { + "sentinel_host": params['sentinel_host'], + "sentinel_port": params['sentinel_port'], + "sentinel_master_id": params['sentinel_master_id'], + "timeout": params['timeout'], + "redis_db": params['redis_db'] + } +$$ LANGUAGE plpythonu; + +-- Get the connection to redis from cache or create a new one +CREATE OR REPLACE FUNCTION cdb_geocoder_server._connect_to_redis(user_id text) +RETURNS boolean AS $$ + cache_key = "redis_connection_{0}".format(user_id) + if cache_key in GD: + return False + else: + from cartodb_services.tools import RedisConnection + metadata_config_params = plpy.execute("""select c.sentinel_host, c.sentinel_port, + c.sentinel_master_id, c.timeout, c.redis_db + from cdb_geocoder_server._get_redis_conf_v2('redis_metadata_config') c;""")[0] + metrics_config_params = plpy.execute("""select c.sentinel_host, c.sentinel_port, + c.sentinel_master_id, c.timeout, c.redis_db + from cdb_geocoder_server._get_redis_conf_v2('redis_metrics_config') c;""")[0] + redis_metadata_connection = RedisConnection(metadata_config_params['sentinel_host'], + metadata_config_params['sentinel_port'], + metadata_config_params['sentinel_master_id'], + timeout=metadata_config_params['timeout'], + redis_db=metadata_config_params['redis_db']).redis_connection() + redis_metrics_connection = RedisConnection(metrics_config_params['sentinel_host'], + metrics_config_params['sentinel_port'], + metrics_config_params['sentinel_master_id'], + timeout=metrics_config_params['timeout'], + redis_db=metrics_config_params['redis_db']).redis_connection() + GD[cache_key] = { + 'redis_metadata_connection': redis_metadata_connection, + 'redis_metrics_connection': redis_metrics_connection, + } + return True +$$ LANGUAGE plpythonu SECURITY DEFINER; +-- Get the Redis configuration from the _conf table -- +CREATE OR REPLACE FUNCTION cdb_geocoder_server._get_geocoder_config(username text, orgname text) +RETURNS boolean AS $$ + cache_key = "user_geocoder_config_{0}".format(username) + if cache_key in GD: + return False + else: + import json + from cartodb_services.quota import GeocoderConfig + plpy.execute("SELECT cdb_geocoder_server._connect_to_redis('{0}')".format(username)) + redis_conn = GD["redis_connection_{0}".format(username)]['redis_metadata_connection'] + heremaps_conf_json = plpy.execute("SELECT cartodb.CDB_Conf_GetConf('heremaps_conf') as heremaps_conf", 1)[0]['heremaps_conf'] + if not heremaps_conf_json: + heremaps_app_id = None + heremaps_app_code = None + else: + heremaps_conf = json.loads(heremaps_conf_json) + heremaps_app_id = heremaps_conf['app_id'] + heremaps_app_code = heremaps_conf['app_code'] + geocoder_config = GeocoderConfig(redis_conn, username, orgname, heremaps_app_id, heremaps_app_code) + # --Think about the security concerns with this kind of global cache, it should be only available + # --for this user session but... + GD[cache_key] = geocoder_config + return True +$$ LANGUAGE plpythonu SECURITY DEFINER; +-- Geocodes a street address given a searchtext and a state and/or country +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_street_point_v2(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL) +RETURNS Geometry AS $$ + plpy.execute("SELECT cdb_geocoder_server._connect_to_redis('{0}')".format(username)) + redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection'] + plpy.execute("SELECT cdb_geocoder_server._get_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname))) + user_geocoder_config = GD["user_geocoder_config_{0}".format(username)] + + if user_geocoder_config.heremaps_geocoder: + here_plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_here_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"]) + return plpy.execute(here_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point'] + elif user_geocoder_config.google_geocoder: + google_plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_google_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"]) + return plpy.execute(google_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point'] + else: + plpy.error('Requested geocoder is not available') + +$$ LANGUAGE plpythonu; + +CREATE OR REPLACE FUNCTION cdb_geocoder_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 $$ + from cartodb_services.here import HereMapsGeocoder + from cartodb_services.quota import QuotaService + + redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection'] + user_geocoder_config = GD["user_geocoder_config_{0}".format(username)] + + # -- Check the quota + quota_service = QuotaService(user_geocoder_config, redis_conn) + if not quota_service.check_user_quota(): + plpy.error('You have reach the limit of your quota') + + try: + geocoder = HereMapsGeocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code) + coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country) + if coordinates: + quota_service.increment_success_geocoder_use() + plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"]) + point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0] + return point['st_setsrid'] + else: + quota_service.increment_empty_geocoder_use() + return None + except BaseException as e: + import sys, traceback + type_, value_, traceback_ = sys.exc_info() + quota_service.increment_failed_geocoder_use() + error_msg = 'There was an error trying to geocode using here maps geocoder: {0}'.format(e) + plpy.notice(traceback.format_tb(traceback_)) + plpy.error(error_msg) + finally: + quota_service.increment_total_geocoder_use() +$$ LANGUAGE plpythonu; + +CREATE OR REPLACE FUNCTION cdb_geocoder_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 $$ + from cartodb_services.google import GoogleMapsGeocoder + from cartodb_services.quota import QuotaService + + redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection'] + user_geocoder_config = GD["user_geocoder_config_{0}".format(username)] + quota_service = QuotaService(user_geocoder_config, redis_conn) + + try: + geocoder = GoogleMapsGeocoder(user_geocoder_config.google_client_id, user_geocoder_config.google_api_key) + coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country) + if coordinates: + quota_service.increment_success_geocoder_use() + plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"]) + point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0] + return point['st_setsrid'] + else: + quota_service.increment_empty_geocoder_use() + return None + except BaseException as e: + import sys, traceback + type_, value_, traceback_ = sys.exc_info() + quota_service.increment_failed_geocoder_use() + error_msg = 'There was an error trying to geocode using google maps geocoder: {0}'.format(e) + plpy.notice(traceback.format_tb(traceback_)) + plpy.error(error_msg) + finally: + quota_service.increment_total_geocoder_use() +$$ LANGUAGE plpythonu; +-- Interface of the server extension + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_admin0_polygon(username text, orgname text, country_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_admin0_polygons') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_admin0_polygon($1) AS mypolygon", ["text"]) + rv = plpy.execute(plan, [country_name], 1) + + plpy.debug('Returning from Returning from cdb_geocode_admin0_polygons') + return rv[0]["mypolygon"] +$$ LANGUAGE plpythonu; + + +-------------------------------------------------------------------------------- + +-- Implementation of the server extension +-- Note: these functions depend on the cdb_geocoder extension +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_admin0_polygon(country_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT n.the_geom as geom INTO ret + FROM (SELECT q, lower(regexp_replace(q, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'))::text x + FROM (SELECT country_name q) g) d + LEFT OUTER JOIN admin0_synonyms s ON name_ = d.x + LEFT OUTER JOIN ne_admin0_v3 n ON s.adm0_a3 = n.adm0_a3 GROUP BY d.q, n.the_geom, s.adm0_a3; + + RETURN ret; + END +$$ LANGUAGE plpgsql; +-- Interfacess of the server extension + +---- cdb_geocode_admin1_polygon(admin1_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_admin1_polygon(username text, orgname text, admin1_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_admin1_polygon(admin1_name text)') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_admin1_polygon($1) AS mypolygon", ["text"]) + rv = plpy.execute(plan, [admin1_name], 1) + + plpy.debug('Returning from Returning from cdb_geocode_admin1_polygons') + return rv[0]["mypolygon"] +$$ LANGUAGE plpythonu; + +---- cdb_geocode_admin1_polygon(admin1_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_admin1_polygon(username text, orgname text, admin1_name text, country_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_admin1_polygon(admin1_name text, country_name text)') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_admin1_polygon($1, $2) AS mypolygon", ["text", "text"]) + rv = plpy.execute(plan, [admin1_name, country_name], 1) + + plpy.debug('Returning from Returning from cdb_geocode_admin1_polygon(admin1_name text, country_name text)') + return rv[0]["mypolygon"] +$$ LANGUAGE plpythonu; + +-------------------------------------------------------------------------------- + +-- Implementation of the server extension +-- Note: these functions depend on the cdb_geocoder extension + +---- cdb_geocode_admin1_polygon(admin1_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_admin1_polygon(admin1_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + SELECT q, ( + SELECT the_geom + FROM global_province_polygons + WHERE d.c = ANY (synonyms) + ORDER BY frequency DESC LIMIT 1 + ) geom + FROM ( + SELECT + trim(replace(lower(admin1_name),'.',' ')) c, admin1_name q + ) d + ) v; + + RETURN ret; + END +$$ LANGUAGE plpgsql; + +---- cdb_geocode_admin1_polygon(admin1_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_admin1_polygon(admin1_name text, country_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + WITH p AS (SELECT r.c, r.q, (SELECT iso3 FROM country_decoder WHERE lower(country_name) = ANY (synonyms)) i FROM (SELECT trim(replace(lower(admin1_name),'.',' ')) c, country_name q) r) + SELECT + geom INTO ret + FROM ( + SELECT + q, ( + SELECT the_geom + FROM global_province_polygons + WHERE p.c = ANY (synonyms) + AND iso3 = p.i + ORDER BY frequency DESC LIMIT 1 + ) geom + FROM p) n; + + RETURN ret; + END +$$ LANGUAGE plpgsql; + +-- Interfacess of the server extension + +---- cdb_geocode_namedplace_point(city_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_namedplace_point(city_name text)') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_namedplace_point($1) AS mypoint", ["text"]) + rv = plpy.execute(plan, [city_name], 1) + + plpy.debug('Returning from Returning from geocode_namedplace') + return rv[0]["mypoint"] +$$ LANGUAGE plpythonu; + +---- cdb_geocode_namedplace_point(city_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text, country_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_namedplace_point(city_name text, country_name text)') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_namedplace_point($1, $2) AS mypoint", ["text", "text"]) + rv = plpy.execute(plan, [city_name, country_name], 1) + + plpy.debug('Returning from Returning from geocode_namedplace') + return rv[0]["mypoint"] +$$ LANGUAGE plpythonu; + +---- cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text, admin1_name text, country_name text) +RETURNS Geometry AS $$ + plpy.debug('Entering cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text)') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_namedplace_point($1, $2, $3) AS mypoint", ["text", "text", "text"]) + rv = plpy.execute(plan, [city_name, admin1_name, country_name], 1) + + plpy.debug('Returning from Returning from geocode_namedplace') + return rv[0]["mypoint"] +$$ LANGUAGE plpythonu; + +-------------------------------------------------------------------------------- + +-- Implementation of the server extension +-- Note: these functions depend on the cdb_geocoder extension + +---- cdb_geocode_namedplace_point(city_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_namedplace_point(city_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + WITH best AS (SELECT s AS q, (SELECT the_geom FROM global_cities_points_limited gp WHERE gp.lowername = lower(p.s) ORDER BY population DESC LIMIT 1) AS geom FROM (SELECT city_name as s) p), + next AS (SELECT p.s AS q, (SELECT gp.the_geom FROM global_cities_points_limited gp, global_cities_alternates_limited ga WHERE lower(p.s) = ga.lowername AND ga.geoname_id = gp.geoname_id ORDER BY preferred DESC LIMIT 1) geom FROM (SELECT city_name as s) p WHERE p.s NOT IN (SELECT q FROM best WHERE geom IS NOT NULL)) + SELECT q, geom, TRUE AS success FROM best WHERE geom IS NOT NULL + UNION ALL + SELECT q, geom, CASE WHEN geom IS NULL THEN FALSE ELSE TRUE END AS success FROM next + ) v; + + RETURN ret; + END +$$ LANGUAGE plpgsql; + +---- cdb_geocode_namedplace_point(city_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_namedplace_point(city_name text, country_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + WITH p AS (SELECT r.s, r.c, (SELECT iso2 FROM country_decoder WHERE lower(r.c) = ANY (synonyms)) i FROM (SELECT city_name AS s, country_name::text AS c) r), + best AS (SELECT p.s AS q, p.c AS c, (SELECT gp.the_geom AS geom FROM global_cities_points_limited gp WHERE gp.lowername = lower(p.s) AND gp.iso2 = p.i ORDER BY population DESC LIMIT 1) AS geom FROM p), + next AS (SELECT p.s AS q, p.c AS c, (SELECT gp.the_geom FROM global_cities_points_limited gp, global_cities_alternates_limited ga WHERE lower(p.s) = ga.lowername AND gp.iso2 = p.i AND ga.geoname_id = gp.geoname_id ORDER BY preferred DESC LIMIT 1) geom FROM p WHERE p.s NOT IN (SELECT q FROM best WHERE c = p.c AND geom IS NOT NULL)) + SELECT geom FROM best WHERE geom IS NOT NULL + UNION ALL + SELECT geom FROM next + ) v; + + RETURN ret; + END +$$ LANGUAGE plpgsql; + +---- cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text) +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + WITH inputcountry AS ( + SELECT iso2 as isoTwo FROM country_decoder WHERE lower(country_name) = ANY (synonyms) LIMIT 1 + ), + p AS ( + SELECT r.s, r.a1, (SELECT admin1 FROM admin1_decoder, inputcountry WHERE lower(r.a1) = ANY (synonyms) AND admin1_decoder.iso2 = inputcountry.isoTwo LIMIT 1) i FROM (SELECT city_name AS s, admin1_name::text AS a1) r), + best AS (SELECT p.s AS q, p.a1 as a1, (SELECT gp.the_geom AS geom FROM global_cities_points_limited gp WHERE gp.lowername = lower(p.s) AND gp.admin1 = p.i ORDER BY population DESC LIMIT 1) AS geom FROM p), + next AS (SELECT p.s AS q, p.a1 AS a1, (SELECT gp.the_geom FROM global_cities_points_limited gp, global_cities_alternates_limited ga WHERE lower(p.s) = ga.lowername AND ga.admin1 = p.i AND ga.geoname_id = gp.geoname_id ORDER BY preferred DESC LIMIT 1) geom FROM p WHERE p.s NOT IN (SELECT q FROM best WHERE geom IS NOT NULL)) + SELECT geom FROM best WHERE geom IS NOT NULL + UNION ALL + SELECT geom FROM next + ) v; + + RETURN ret; + END +$$ LANGUAGE plpgsql; + +-- Interface of the server extension + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_postalcode_point(username text, orgname text, code text) +RETURNS Geometry AS $$ + plpy.debug('Entering _cdb_geocode_postalcode_point') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_postalcode_point($1) AS point", ["text"]) + rv = plpy.execute(plan, [code], 1) + + plpy.debug('Returning from _cdb_geocode_postalcode_point') + return rv[0]["point"] +$$ LANGUAGE plpythonu; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_postalcode_point(username text, orgname text, code text, country text) +RETURNS Geometry AS $$ + plpy.debug('Entering _cdb_geocode_postalcode_point') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_postalcode_point($1, $2) AS point", ["TEXT", "TEXT"]) + rv = plpy.execute(plan, [code, country], 1) + + plpy.debug('Returning from _cdb_geocode_postalcode_point') + return rv[0]["point"] +$$ LANGUAGE plpythonu; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_postalcode_polygon(username text, orgname text, code text) +RETURNS Geometry AS $$ + plpy.debug('Entering _cdb_geocode_postalcode_polygon') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_postalcode_polygon($1) AS polygon", ["text"]) + rv = plpy.execute(plan, [code], 1) + + plpy.debug('Returning from _cdb_geocode_postalcode_polygon') + return rv[0]["polygon"] +$$ LANGUAGE plpythonu; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_postalcode_polygon(username text, orgname text, code text, country text) +RETURNS Geometry AS $$ + plpy.debug('Entering _cdb_geocode_postalcode_point') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_postalcode_polygon($1, $2) AS polygon", ["TEXT", "TEXT"]) + rv = plpy.execute(plan, [code, country], 1) + + plpy.debug('Returning from _cdb_geocode_postalcode_point') + return rv[0]["polygon"] +$$ LANGUAGE plpythonu; + + +-------------------------------------------------------------------------------- + +-- Implementation of the server extension +-- Note: these functions depend on the cdb_geocoder extension +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_postalcode_point(code text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + SELECT + q, ( + SELECT the_geom + FROM global_postal_code_points + WHERE postal_code = upper(d.q) + LIMIT 1 + ) geom + FROM (SELECT code q) d + ) v; + + RETURN ret; +END +$$ LANGUAGE plpgsql; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_postalcode_point(code text, country text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + SELECT + q, ( + SELECT the_geom + FROM global_postal_code_points + WHERE postal_code = upper(d.q) + AND iso3 = ( + SELECT iso3 FROM country_decoder WHERE + lower(country) = ANY (synonyms) LIMIT 1 + ) + LIMIT 1 + ) geom + FROM (SELECT code q) d + ) v; + + RETURN ret; +END +$$ LANGUAGE plpgsql; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_postalcode_polygon(code text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + SELECT + q, ( + SELECT the_geom + FROM global_postal_code_polygons + WHERE postal_code = upper(d.q) + LIMIT 1 + ) geom + FROM (SELECT code q) d + ) v; + + RETURN ret; +END +$$ LANGUAGE plpgsql; + +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_postalcode_polygon(code text, country text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + BEGIN + SELECT geom INTO ret + FROM ( + SELECT + q, ( + SELECT the_geom + FROM global_postal_code_polygons + WHERE postal_code = upper(d.q) + AND iso3 = ( + SELECT iso3 FROM country_decoder WHERE + lower(country) = ANY (synonyms) LIMIT 1 + ) + LIMIT 1 + ) geom + FROM (SELECT code q) d + ) v; + + RETURN ret; +END +$$ LANGUAGE plpgsql; +-- Interface of the server extension + +CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_ipaddress_point(username text, orgname text, ip text) +RETURNS Geometry AS $$ + plpy.debug('Entering _cdb_geocode_ipaddress_point') + plpy.debug('user = %s' % username) + + #--TODO: rate limiting check + #--TODO: quota check + + #-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html + plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_ipaddress_point($1) AS point", ["TEXT"]) + rv = plpy.execute(plan, [ip], 1) + + plpy.debug('Returning from _cdb_geocode_ipaddress_point') + return rv[0]["point"] +$$ LANGUAGE plpythonu; + + +-------------------------------------------------------------------------------- + +-- Implementation of the server extension +-- Note: these functions depend on the cdb_geocoder extension +CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_ipaddress_point(ip text) +RETURNS Geometry AS $$ + DECLARE + ret Geometry; + + new_ip INET; + BEGIN + BEGIN + IF family(ip::inet) = 6 THEN + new_ip := ip::inet; + ELSE + new_ip := ('::ffff:' || ip)::inet; + END IF; + EXCEPTION WHEN OTHERS THEN + SELECT NULL as geom INTO ret; + RETURN ret; + END; + + WITH + ips AS (SELECT ip s, new_ip net), + matches AS (SELECT s, (SELECT the_geom FROM ip_address_locations WHERE network_start_ip <= ips.net ORDER BY network_start_ip DESC LIMIT 1) geom FROM ips) + SELECT geom INTO ret + FROM matches; + RETURN ret; +END +$$ LANGUAGE plpgsql; +DO $$ +BEGIN + IF NOT EXISTS ( + SELECT * + FROM pg_catalog.pg_user + WHERE usename = 'geocoder_api') THEN + + CREATE USER geocoder_api; + END IF; + GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA cdb_geocoder_server TO geocoder_api; + GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA public TO geocoder_api; + GRANT USAGE ON SCHEMA cdb_geocoder_server TO geocoder_api; + GRANT USAGE ON SCHEMA public TO geocoder_api; + GRANT SELECT ON ALL TABLES IN SCHEMA public TO geocoder_api; +END$$; \ No newline at end of file