143 lines
7.5 KiB
PL/PgSQL
143 lines
7.5 KiB
PL/PgSQL
-- Get the Redis configuration from the _conf table --
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_redis_conf_v2(config_key text)
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RETURNS cdb_dataservices_server._redis_conf_params AS $$
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conf_query = "SELECT cartodb.CDB_Conf_GetConf('{0}') as conf".format(config_key)
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conf = plpy.execute(conf_query)[0]['conf']
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if conf is None:
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plpy.error("There is no redis configuration defined")
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else:
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import json
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params = json.loads(conf)
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return {
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"sentinel_host": params['sentinel_host'],
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"sentinel_port": params['sentinel_port'],
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"sentinel_master_id": params['sentinel_master_id'],
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"timeout": params['timeout'],
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"redis_db": params['redis_db']
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}
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$$ LANGUAGE plpythonu;
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-- Get the connection to redis from cache or create a new one
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._connect_to_redis(user_id text)
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RETURNS boolean AS $$
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cache_key = "redis_connection_{0}".format(user_id)
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if cache_key in GD:
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return False
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else:
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from cartodb_geocoder import redis_helper
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metadata_config_params = plpy.execute("""select c.sentinel_host, c.sentinel_port,
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c.sentinel_master_id, c.timeout, c.redis_db
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from cdb_dataservices_server._get_redis_conf_v2('redis_metadata_config') c;""")[0]
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metrics_config_params = plpy.execute("""select c.sentinel_host, c.sentinel_port,
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c.sentinel_master_id, c.timeout, c.redis_db
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from cdb_dataservices_server._get_redis_conf_v2('redis_metrics_config') c;""")[0]
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redis_metadata_connection = redis_helper.RedisHelper(metadata_config_params['sentinel_host'],
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metadata_config_params['sentinel_port'],
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metadata_config_params['sentinel_master_id'],
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timeout=metadata_config_params['timeout'],
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redis_db=metadata_config_params['redis_db']).redis_connection()
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redis_metrics_connection = redis_helper.RedisHelper(metrics_config_params['sentinel_host'],
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metrics_config_params['sentinel_port'],
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metrics_config_params['sentinel_master_id'],
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timeout=metrics_config_params['timeout'],
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redis_db=metrics_config_params['redis_db']).redis_connection()
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GD[cache_key] = {
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'redis_metadata_connection': redis_metadata_connection,
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'redis_metrics_connection': redis_metrics_connection,
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}
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return True
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$$ LANGUAGE plpythonu SECURITY DEFINER;
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-- Get the Redis configuration from the _conf table --
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_geocoder_config(username text, orgname text)
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RETURNS boolean AS $$
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cache_key = "user_geocoder_config_{0}".format(username)
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if cache_key in GD:
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return False
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else:
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import json
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from cartodb_geocoder import config_helper
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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_metadata_connection']
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heremaps_conf_json = plpy.execute("SELECT cartodb.CDB_Conf_GetConf('heremaps_conf') as heremaps_conf", 1)[0]['heremaps_conf']
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if not heremaps_conf_json:
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heremaps_app_id = None
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heremaps_app_code = None
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else:
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heremaps_conf = json.loads(heremaps_conf_json)
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heremaps_app_id = heremaps_conf['app_id']
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heremaps_app_code = heremaps_conf['app_code']
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geocoder_config = config_helper.GeocoderConfig(redis_conn, username, orgname, heremaps_app_id, heremaps_app_code)
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# --Think about the security concerns with this kind of global cache, it should be only available
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# --for this user session but...
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GD[cache_key] = geocoder_config
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return True
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$$ LANGUAGE plpythonu SECURITY DEFINER;
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-- Geocodes a street address given a searchtext and a state and/or country
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DROP FUNCTION IF EXISTS cdb_dataservices_server.cdb_geocode_street_point(TEXT, TEXT, TEXT, TEXT);
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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)
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RETURNS Geometry AS $$
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
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if user_geocoder_config.heremaps_geocoder:
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here_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_here_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
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return plpy.execute(here_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
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elif user_geocoder_config.google_geocoder:
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google_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_google_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
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return plpy.execute(google_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
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else:
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plpy.error('Requested geocoder is not available')
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$$ LANGUAGE plpythonu;
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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)
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RETURNS Geometry AS $$
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from heremaps import heremapsgeocoder
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from cartodb_geocoder import quota_service
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
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# -- Check the quota
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quota_service = quota_service.QuotaService(user_geocoder_config, redis_conn)
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if not quota_service.check_user_quota():
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plpy.error('You have reach the limit of your quota')
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try:
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geocoder = heremapsgeocoder.Geocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code)
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results = geocoder.geocode_address(searchtext=searchtext, city=city, state=state_province, country=country)
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coordinates = geocoder.extract_lng_lat_from_result(results[0])
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quota_service.increment_success_geocoder_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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except heremapsgeocoder.EmptyGeocoderResponse:
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quota_service.increment_empty_geocoder_use()
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return None
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except BaseException as e:
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import sys, traceback
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type_, value_, traceback_ = sys.exc_info()
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quota_service.increment_failed_geocoder_use()
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error_msg = 'There was an error trying to geocode using here maps geocoder: {0}'.format(e)
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plpy.notice(traceback.format_tb(traceback_))
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plpy.error(error_msg)
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$$ LANGUAGE plpythonu;
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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)
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RETURNS Geometry AS $$
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plpy.error('Google geocoder is not available yet')
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return None
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$$ LANGUAGE plpythonu;
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-- We apply again the grants to include the new functions
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GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA cdb_dataservices_server TO geocoder_api;
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GRANT EXECUTE ON ALL FUNCTIONS IN SCHEMA public TO geocoder_api;
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GRANT USAGE ON SCHEMA cdb_dataservices_server TO geocoder_api;
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GRANT USAGE ON SCHEMA public TO geocoder_api;
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GRANT SELECT ON ALL TABLES IN SCHEMA public TO geocoder_api;
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