187 lines
10 KiB
PL/PgSQL
187 lines
10 KiB
PL/PgSQL
---- cdb_geocode_namedplace_point(city_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text)
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RETURNS Geometry AS $$
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try:
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mapzen_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_mapzen_geocode_namedplace($1, $2, $3) as point;", ["text", "text", "text"])
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return plpy.execute(mapzen_plan, [username, orgname, city_name])[0]['point']
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except BaseException as e:
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internal_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_internal_geocode_namedplace($1, $2, $3) as point;", ["text", "text", "text"])
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return plpy.execute(internal_plan, [username, orgname, city_name])[0]['point']
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$$ LANGUAGE plpythonu;
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---- cdb_geocode_namedplace_point(city_name text, country_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text, country_name text)
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RETURNS Geometry AS $$
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try:
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mapzen_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_mapzen_geocode_namedplace($1, $2, $3, NULL, $4) as point;", ["text", "text", "text", "text"])
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return plpy.execute(mapzen_plan, [username, orgname, city_name, country_name])[0]['point']
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except BaseException as e:
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internal_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_internal_geocode_namedplace($1, $2, $3, NULL, $4) as point;", ["text", "text", "text", "text"])
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return plpy.execute(internal_plan, [username, orgname, city_name, country_name])[0]['point']
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$$ LANGUAGE plpythonu;
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---- cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_namedplace_point(username text, orgname text, city_name text, admin1_name text, country_name text)
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RETURNS Geometry AS $$
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try:
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mapzen_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_mapzen_geocode_namedplace($1, $2, $3, $4, $5) as point;", ["text", "text", "text", "text", "text"])
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return plpy.execute(mapzen_plan, [username, orgname, city_name, admin1_name, country_name])[0]['point']
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except BaseException as e:
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internal_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_internal_geocode_namedplace($1, $2, $3, $4, $5) as point;", ["text", "text", "text", "text", "text"])
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return plpy.execute(internal_plan, [username, orgname, city_name, admin1_name, country_name])[0]['point']
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_geocode_namedplace(username text, orgname text, city_name text, admin1_name text DEFAULT NULL, country_name text DEFAULT NULL)
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RETURNS Geometry AS $$
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from cartodb_services.mapzen import MapzenGeocoder
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from cartodb_services.mapzen.types import country_to_iso3
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from cartodb_services.metrics import QuotaService
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from cartodb_services.tools import Logger,LoggerConfig
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_geocoder_config({0}, {1}, {2})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname), plpy.quote_nullable('mapzen')))
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user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
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plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
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logger_config = GD["logger_config"]
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logger = Logger(logger_config)
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quota_service = QuotaService(user_geocoder_config, redis_conn)
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if not quota_service.check_user_quota():
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raise Exception('You have reached the limit of your quota')
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try:
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geocoder = MapzenGeocoder(user_geocoder_config.mapzen_api_key, logger)
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country_iso3 = None
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if country_name:
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country_iso3 = country_to_iso3(country_name)
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coordinates = geocoder.geocode(searchtext=city_name, city=None,
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state_province=admin1_name,
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country=country_iso3, search_type='locality')
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if coordinates:
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quota_service.increment_success_service_use()
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plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
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point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
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return point['st_setsrid']
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else:
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quota_service.increment_empty_service_use()
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return None
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except BaseException as e:
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import sys
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quota_service.increment_failed_service_use()
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logger.error('Error trying to geocode city point using mapzen', sys.exc_info(), data={"username": username, "orgname": orgname})
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raise Exception('Error trying to geocode city point using mapzen')
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finally:
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quota_service.increment_total_service_use()
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_internal_geocode_namedplace(username text, orgname text, city_name text, admin1_name text DEFAULT NULL, country_name text DEFAULT NULL)
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RETURNS Geometry AS $$
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from cartodb_services.metrics import QuotaService
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from cartodb_services.metrics import InternalGeocoderConfig
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from cartodb_services.tools import Logger,LoggerConfig
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_internal_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_geocoder_config = GD["user_internal_geocoder_config_{0}".format(username)]
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plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
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logger_config = GD["logger_config"]
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logger = Logger(logger_config)
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quota_service = QuotaService(user_geocoder_config, redis_conn)
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try:
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if admin1_name and country_name:
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plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_namedplace_point(trim($1), trim($2), trim($3)) AS mypoint", ["text", "text", "text"])
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rv = plpy.execute(plan, [city_name, plpy.quote_nullable(admin1_name), plpy.quote_nullable(country_name)], 1)
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elif country_name:
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plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_namedplace_point(trim($1), trim($2)) AS mypoint", ["text", "text"])
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rv = plpy.execute(plan, [city_name, plpy.quote_nullable(country_name)], 1)
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else:
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plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_namedplace_point(trim($1)) AS mypoint", ["text"])
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rv = plpy.execute(plan, [city_name], 1)
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result = rv[0]["mypoint"]
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if result:
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quota_service.increment_success_service_use()
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return result
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else:
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quota_service.increment_empty_service_use()
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return None
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except BaseException as e:
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import sys
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quota_service.increment_failed_service_use()
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logger.error('Error trying to geocode namedplace point', sys.exc_info(), data={"username": username, "orgname": orgname})
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raise Exception('Error trying to geocode namedplace point')
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finally:
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quota_service.increment_total_service_use()
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$$ LANGUAGE plpythonu;
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--------------------------------------------------------------------------------
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-- Implementation of the server extension
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-- Note: these functions depend on the cdb_geocoder extension
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---- cdb_geocode_namedplace_point(city_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_namedplace_point(city_name text)
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RETURNS Geometry AS $$
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DECLARE
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ret Geometry;
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BEGIN
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SELECT geom INTO ret
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FROM (
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WITH best AS (SELECT s AS q, (SELECT the_geom FROM global_cities_points_limited gp WHERE gp.lowername = lower(p.s) ORDER BY population DESC LIMIT 1) AS geom FROM (SELECT city_name as s) p),
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next AS (SELECT p.s AS q, (SELECT gp.the_geom FROM global_cities_points_limited gp, global_cities_alternates_limited ga WHERE lower(p.s) = ga.lowername AND ga.geoname_id = gp.geoname_id ORDER BY preferred DESC LIMIT 1) geom FROM (SELECT city_name as s) p WHERE p.s NOT IN (SELECT q FROM best WHERE geom IS NOT NULL))
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SELECT q, geom, TRUE AS success FROM best WHERE geom IS NOT NULL
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UNION ALL
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SELECT q, geom, CASE WHEN geom IS NULL THEN FALSE ELSE TRUE END AS success FROM next
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) v;
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RETURN ret;
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END
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$$ LANGUAGE plpgsql;
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---- cdb_geocode_namedplace_point(city_name text, country_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_namedplace_point(city_name text, country_name text)
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RETURNS Geometry AS $$
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DECLARE
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ret Geometry;
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BEGIN
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SELECT geom INTO ret
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FROM (
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WITH p AS (SELECT r.s, r.c, (SELECT iso2 FROM country_decoder WHERE lower(r.c) = ANY (synonyms)) i FROM (SELECT city_name AS s, country_name::text AS c) r),
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best AS (SELECT p.s AS q, p.c AS c, (SELECT gp.the_geom AS geom FROM global_cities_points_limited gp WHERE gp.lowername = lower(p.s) AND gp.iso2 = p.i ORDER BY population DESC LIMIT 1) AS geom FROM p),
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next AS (SELECT p.s AS q, p.c AS c, (SELECT gp.the_geom FROM global_cities_points_limited gp, global_cities_alternates_limited ga WHERE lower(p.s) = ga.lowername AND gp.iso2 = p.i AND ga.geoname_id = gp.geoname_id ORDER BY preferred DESC LIMIT 1) geom FROM p WHERE p.s NOT IN (SELECT q FROM best WHERE c = p.c AND geom IS NOT NULL))
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SELECT geom FROM best WHERE geom IS NOT NULL
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UNION ALL
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SELECT geom FROM next
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) v;
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RETURN ret;
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END
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$$ LANGUAGE plpgsql;
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---- cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text)
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_namedplace_point(city_name text, admin1_name text, country_name text)
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RETURNS Geometry AS $$
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DECLARE
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ret Geometry;
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BEGIN
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SELECT geom INTO ret
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FROM (
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WITH inputcountry AS (
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SELECT iso2 as isoTwo FROM country_decoder WHERE lower(country_name) = ANY (synonyms) LIMIT 1
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),
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p AS (
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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),
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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),
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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))
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SELECT geom FROM best WHERE geom IS NOT NULL
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UNION ALL
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SELECT geom FROM next
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) v;
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RETURN ret;
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END
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$$ LANGUAGE plpgsql;
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