Server 0.22.0 version release artifacts

server/extension/cdb_dataservices_server--0.21.0--0.22.0.sql

@@ -0,0 +1,292 @@
+--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 "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.22.0'" to load this file. \quit
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_route_with_waypoints(
+  username TEXT,
+  orgname TEXT,
+  waypoints geometry(Point, 4326)[],
+  mode TEXT,
+  options text[] DEFAULT ARRAY[]::text[],
+  units text DEFAULT 'kilometers')
+RETURNS cdb_dataservices_server.simple_route AS $$
+  import json
+  from cartodb_services.mapzen import MapzenRouting, MapzenRoutingResponse
+  from cartodb_services.mapzen.types import polyline_to_linestring
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Coordinate
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_routing_config = GD["user_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+
+  quota_service = QuotaService(user_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    client = MapzenRouting(user_routing_config.mapzen_api_key, logger, user_routing_config.mapzen_service_params)
+
+    if not waypoints or len(waypoints) < 2:
+      logger.info("Empty origin or destination")
+      quota_service.increment_empty_service_use()
+      return [None, None, None]
+
+    waypoint_coords = []
+    for waypoint in waypoints:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % waypoint)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % waypoint)[0]['lon']
+      waypoint_coords.append(Coordinate(lon,lat))
+
+    resp = client.calculate_route_point_to_point(waypoint_coords, mode, options, units)
+    if resp and resp.shape:
+      shape_linestring = polyline_to_linestring(resp.shape)
+      if shape_linestring:
+        quota_service.increment_success_service_use()
+        return [shape_linestring, resp.length, resp.duration]
+      else:
+        quota_service.increment_empty_service_use()
+        return [None, None, None]
+    else:
+      quota_service.increment_empty_service_use()
+      return [None, None, None]
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to calculate mapzen routing', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to calculate mapzen routing')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
+
+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 $$
+  from cartodb_services.here import HereMapsGeocoder
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  # -- Check the quota
+  quota_service = QuotaService(user_geocoder_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    geocoder = HereMapsGeocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code, logger, user_geocoder_config.heremaps_service_params)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country)
+    if coordinates:
+      quota_service.increment_success_service_use()
+      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
+      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
+      return point['st_setsrid']
+    else:
+      quota_service.increment_empty_service_use()
+      return None
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to geocode street point using here maps', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to geocode street point using here maps')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_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 $$
+  import cartodb_services
+  cartodb_services.init(plpy, GD)
+  from cartodb_services.mapzen import MapzenGeocoder
+  from cartodb_services.mapzen.types import country_to_iso3
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger
+  from cartodb_services.refactor.tools.logger import LoggerConfigBuilder
+  from cartodb_services.refactor.service.mapzen_geocoder_config import MapzenGeocoderConfigBuilder
+  from cartodb_services.refactor.core.environment import ServerEnvironmentBuilder
+  from cartodb_services.refactor.backend.server_config import ServerConfigBackendFactory
+  from cartodb_services.refactor.backend.user_config import UserConfigBackendFactory
+  from cartodb_services.refactor.backend.org_config import OrgConfigBackendFactory
+  from cartodb_services.refactor.backend.redis_metrics_connection import RedisMetricsConnectionFactory
+
+  server_config_backend = ServerConfigBackendFactory().get()
+  environment = ServerEnvironmentBuilder(server_config_backend).get()
+  user_config_backend = UserConfigBackendFactory(username, environment, server_config_backend).get()
+  org_config_backend = OrgConfigBackendFactory(orgname, environment, server_config_backend).get()
+
+  logger_config = LoggerConfigBuilder(environment, server_config_backend).get()
+  logger = Logger(logger_config)
+
+  mapzen_geocoder_config = MapzenGeocoderConfigBuilder(server_config_backend, user_config_backend, org_config_backend, username, orgname).get()
+
+  redis_metrics_connection = RedisMetricsConnectionFactory(environment, server_config_backend).get()
+
+  quota_service = QuotaService(mapzen_geocoder_config, redis_metrics_connection)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    geocoder = MapzenGeocoder(mapzen_geocoder_config.mapzen_api_key, logger, mapzen_geocoder_config.service_params)
+    country_iso3 = None
+    if country:
+      country_iso3 = country_to_iso3(country)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city,
+                                   state_province=state_province,
+                                   country=country_iso3, search_type='address')
+    if coordinates:
+      quota_service.increment_success_service_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_service_use()
+      return None
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to geocode street point using mapzen', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to geocode street point using mapzen')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isodistance(
+   username TEXT,
+   orgname TEXT,
+   source geometry(Geometry, 4326),
+   mode TEXT,
+   data_range integer[],
+   options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.mapzen import MatrixClient, MapzenIsolines
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    client = MatrixClient(user_isolines_routing_config.mapzen_matrix_api_key, logger, user_isolines_routing_config.mapzen_matrix_service_params)
+    mapzen_isolines = MapzenIsolines(client, logger)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      origin = {'lat': lat, 'lon': lon}
+    else:
+      raise Exception('source is NULL')
+
+    # -- TODO Support options properly
+    isolines = {}
+    for r in data_range:
+        isoline = mapzen_isolines.calculate_isodistance(origin, mode, r)
+        isolines[r] = isoline
+
+    result = []
+    for r in data_range:
+
+      if len(isolines[r]) >= 3:
+        # -- TODO encapsulate this block into a func/method
+        locations = isolines[r] + [ isolines[r][0] ] # close the polygon repeating the first point
+        wkt_coordinates = ','.join(["%f %f" % (l['lon'], l['lat']) for l in locations])
+        sql = "SELECT ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326) as geom".format(wkt_coordinates)
+        multipolygon = plpy.execute(sql, 1)[0]['geom']
+      else:
+        multipolygon = None
+
+      result.append([source, r, multipolygon])
+
+    quota_service.increment_success_service_use()
+    quota_service.increment_isolines_service_use(len(isolines))
+    return result
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to get mapzen isolines', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to get mapzen isolines')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isochrones(
+   username TEXT,
+   orgname TEXT,
+   source geometry(Geometry, 4326),
+   mode TEXT,
+   data_range integer[],
+   options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.mapzen import MatrixClient, MapzenIsochrones
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+  from cartodb_services.mapzen.types import coordinates_to_polygon
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  # -- Check the quota
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    mapzen_isochrones = MapzenIsochrones(user_isolines_routing_config.mapzen_matrix_api_key,
+                                         logger, user_isolines_routing_config.mapzen_isochrones_service_params)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      origin = {'lat': lat, 'lon': lon}
+    else:
+      raise Exception('source is NULL')
+
+    resp = mapzen_isochrones.isochrone(origin, mode, data_range)
+
+    if resp:
+      result = []
+      for isochrone in resp:
+        result_polygon = coordinates_to_polygon(isochrone.coordinates)
+        if result_polygon:
+          quota_service.increment_success_service_use()
+          result.append([source, isochrone.duration, result_polygon])
+        else:
+          quota_service.increment_empty_service_use()
+          result.append([source, isochrone.duration, None])
+      quota_service.increment_success_service_use()
+      quota_service.increment_isolines_service_use(len(result))
+      return result
+    else:
+      quota_service.increment_empty_service_use()
+      return []
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to get mapzen isochrones', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to get mapzen isochrones')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;

server/extension/cdb_dataservices_server--0.22.0--0.21.0.sql

@@ -0,0 +1,292 @@
+--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 "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.21.0'" to load this file. \quit
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_route_with_waypoints(
+  username TEXT,
+  orgname TEXT,
+  waypoints geometry(Point, 4326)[],
+  mode TEXT,
+  options text[] DEFAULT ARRAY[]::text[],
+  units text DEFAULT 'kilometers')
+RETURNS cdb_dataservices_server.simple_route AS $$
+  import json
+  from cartodb_services.mapzen import MapzenRouting, MapzenRoutingResponse
+  from cartodb_services.mapzen.types import polyline_to_linestring
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Coordinate
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_routing_config = GD["user_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+
+  quota_service = QuotaService(user_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    client = MapzenRouting(user_routing_config.mapzen_api_key, logger)
+
+    if not waypoints or len(waypoints) < 2:
+      logger.info("Empty origin or destination")
+      quota_service.increment_empty_service_use()
+      return [None, None, None]
+
+    waypoint_coords = []
+    for waypoint in waypoints:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % waypoint)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % waypoint)[0]['lon']
+      waypoint_coords.append(Coordinate(lon,lat))
+
+    resp = client.calculate_route_point_to_point(waypoint_coords, mode, options, units)
+    if resp and resp.shape:
+      shape_linestring = polyline_to_linestring(resp.shape)
+      if shape_linestring:
+        quota_service.increment_success_service_use()
+        return [shape_linestring, resp.length, resp.duration]
+      else:
+        quota_service.increment_empty_service_use()
+        return [None, None, None]
+    else:
+      quota_service.increment_empty_service_use()
+      return [None, None, None]
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to calculate mapzen routing', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to calculate mapzen routing')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
+
+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 $$
+  from cartodb_services.here import HereMapsGeocoder
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  # -- Check the quota
+  quota_service = QuotaService(user_geocoder_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    geocoder = HereMapsGeocoder(user_geocoder_config.heremaps_app_id, user_geocoder_config.heremaps_app_code, logger)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city, state=state_province, country=country)
+    if coordinates:
+      quota_service.increment_success_service_use()
+      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
+      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
+      return point['st_setsrid']
+    else:
+      quota_service.increment_empty_service_use()
+      return None
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to geocode street point using here maps', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to geocode street point using here maps')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_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 $$
+  import cartodb_services
+  cartodb_services.init(plpy, GD)
+  from cartodb_services.mapzen import MapzenGeocoder
+  from cartodb_services.mapzen.types import country_to_iso3
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger
+  from cartodb_services.refactor.tools.logger import LoggerConfigBuilder
+  from cartodb_services.refactor.service.mapzen_geocoder_config import MapzenGeocoderConfigBuilder
+  from cartodb_services.refactor.core.environment import ServerEnvironmentBuilder
+  from cartodb_services.refactor.backend.server_config import ServerConfigBackendFactory
+  from cartodb_services.refactor.backend.user_config import UserConfigBackendFactory
+  from cartodb_services.refactor.backend.org_config import OrgConfigBackendFactory
+  from cartodb_services.refactor.backend.redis_metrics_connection import RedisMetricsConnectionFactory
+
+  server_config_backend = ServerConfigBackendFactory().get()
+  environment = ServerEnvironmentBuilder(server_config_backend).get()
+  user_config_backend = UserConfigBackendFactory(username, environment, server_config_backend).get()
+  org_config_backend = OrgConfigBackendFactory(orgname, environment, server_config_backend).get()
+
+  logger_config = LoggerConfigBuilder(environment, server_config_backend).get()
+  logger = Logger(logger_config)
+
+  mapzen_geocoder_config = MapzenGeocoderConfigBuilder(server_config_backend, user_config_backend, org_config_backend, username, orgname).get()
+
+  redis_metrics_connection = RedisMetricsConnectionFactory(environment, server_config_backend).get()
+
+  quota_service = QuotaService(mapzen_geocoder_config, redis_metrics_connection)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    geocoder = MapzenGeocoder(mapzen_geocoder_config.mapzen_api_key, logger)
+    country_iso3 = None
+    if country:
+      country_iso3 = country_to_iso3(country)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city,
+                                   state_province=state_province,
+                                   country=country_iso3, search_type='address')
+    if coordinates:
+      quota_service.increment_success_service_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_service_use()
+      return None
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to geocode street point using mapzen', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to geocode street point using mapzen')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isodistance(
+   username TEXT,
+   orgname TEXT,
+   source geometry(Geometry, 4326),
+   mode TEXT,
+   data_range integer[],
+   options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.mapzen import MatrixClient, MapzenIsolines
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    client = MatrixClient(user_isolines_routing_config.mapzen_matrix_api_key, logger)
+    mapzen_isolines = MapzenIsolines(client, logger)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      origin = {'lat': lat, 'lon': lon}
+    else:
+      raise Exception('source is NULL')
+
+    # -- TODO Support options properly
+    isolines = {}
+    for r in data_range:
+        isoline = mapzen_isolines.calculate_isodistance(origin, mode, r)
+        isolines[r] = isoline
+
+    result = []
+    for r in data_range:
+
+      if len(isolines[r]) >= 3:
+        # -- TODO encapsulate this block into a func/method
+        locations = isolines[r] + [ isolines[r][0] ] # close the polygon repeating the first point
+        wkt_coordinates = ','.join(["%f %f" % (l['lon'], l['lat']) for l in locations])
+        sql = "SELECT ST_MPolyFromText('MULTIPOLYGON((({0})))', 4326) as geom".format(wkt_coordinates)
+        multipolygon = plpy.execute(sql, 1)[0]['geom']
+      else:
+        multipolygon = None
+
+      result.append([source, r, multipolygon])
+
+    quota_service.increment_success_service_use()
+    quota_service.increment_isolines_service_use(len(isolines))
+    return result
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to get mapzen isolines', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to get mapzen isolines')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_isochrones(
+   username TEXT,
+   orgname TEXT,
+   source geometry(Geometry, 4326),
+   mode TEXT,
+   data_range integer[],
+   options text[])
+RETURNS SETOF cdb_dataservices_server.isoline AS $$
+  import json
+  from cartodb_services.mapzen import MatrixClient, MapzenIsochrones
+  from cartodb_services.metrics import QuotaService
+  from cartodb_services.tools import Logger,LoggerConfig
+  from cartodb_services.mapzen.types import coordinates_to_polygon
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
+
+  plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
+  logger_config = GD["logger_config"]
+  logger = Logger(logger_config)
+  # -- Check the quota
+  quota_service = QuotaService(user_isolines_routing_config, redis_conn)
+  if not quota_service.check_user_quota():
+    raise Exception('You have reached the limit of your quota')
+
+  try:
+    mapzen_isochrones = MapzenIsochrones(user_isolines_routing_config.mapzen_matrix_api_key,
+                                         logger)
+
+    if source:
+      lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
+      lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
+      origin = {'lat': lat, 'lon': lon}
+    else:
+      raise Exception('source is NULL')
+
+    resp = mapzen_isochrones.isochrone(origin, mode, data_range)
+
+    if resp:
+      result = []
+      for isochrone in resp:
+        result_polygon = coordinates_to_polygon(isochrone.coordinates)
+        if result_polygon:
+          quota_service.increment_success_service_use()
+          result.append([source, isochrone.duration, result_polygon])
+        else:
+          quota_service.increment_empty_service_use()
+          result.append([source, isochrone.duration, None])
+      quota_service.increment_success_service_use()
+      quota_service.increment_isolines_service_use(len(result))
+      return result
+    else:
+      quota_service.increment_empty_service_use()
+      return []
+  except BaseException as e:
+    import sys
+    quota_service.increment_failed_service_use()
+    logger.error('Error trying to get mapzen isochrones', sys.exc_info(), data={"username": username, "orgname": orgname})
+    raise Exception('Error trying to get mapzen isochrones')
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu SECURITY DEFINER;

server/extension/cdb_dataservices_server.control

@@ -1,5 +1,5 @@
 comment = 'CartoDB dataservices server extension'
-default_version = '0.21.0'
+default_version = '0.22.0'
 requires = 'plpythonu, plproxy, postgis, cdb_geocoder'
 superuser = true
 schema = cdb_dataservices_server