text: --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 '0.8.0'" to load this file. \quit
  
  DROP FUNCTION IF EXISTS cdb_dataservices_server.cdb_route_with_waypoints(text, text, geometry(Geometry, 4326)[], text, text[], text);
  DROP FUNCTION IF EXISTS cdb_dataservices_server._cdb_mapzen_route_with_waypoints(text, text, geometry(Geometry, 4326)[], text, text[], text);
  
  CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_route_point_to_point(
    username TEXT,
    orgname TEXT,
    origin geometry(Point, 4326),
    destination 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
  
    redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
    user_routing_config = GD["user_routing_config_{0}".format(username)]
  
    quota_service = QuotaService(user_routing_config, redis_conn)
    if not quota_service.check_user_quota():
      plpy.error('You have reached the limit of your quota')
  
    try:
      client = MapzenRouting(user_routing_config.mapzen_api_key)
  
      if not origin or not destination:
        plpy.notice("Empty origin or destination")
        quota_service.increment_empty_service_use()
        return [None, None, None]
  
      orig_lat = plpy.execute("SELECT ST_Y('%s') AS lat" % origin)[0]['lat']
      orig_lon = plpy.execute("SELECT ST_X('%s') AS lon" % origin)[0]['lon']
      origin_coordinates = Coordinate(orig_lon, orig_lat)
      dest_lat = plpy.execute("SELECT ST_Y('%s') AS lat" % destination)[0]['lat']
      dest_lon = plpy.execute("SELECT ST_X('%s') AS lon" % destination)[0]['lon']
      dest_coordinates = Coordinate(dest_lon, dest_lat)
  
      resp = client.calculate_route_point_to_point(origin_coordinates, dest_coordinates, 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, traceback
      type_, value_, traceback_ = sys.exc_info()
      quota_service.increment_failed_service_use()
      error_msg = 'There was an error trying to obtain route using mapzen provider: {0}'.format(e)
      plpy.notice(traceback.format_tb(traceback_))
      plpy.error(error_msg)
    finally:
      quota_service.increment_total_service_use()
  $$ LANGUAGE plpythonu SECURITY DEFINER;
  
  CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_route_point_to_point(
    username TEXT,
    orgname TEXT,
    origin geometry(Point, 4326),
    destination geometry(Point, 4326),
    mode TEXT,
    options text[] DEFAULT ARRAY[]::text[],
    units text DEFAULT 'kilometers')
  RETURNS cdb_dataservices_server.simple_route 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_routing_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
    user_routing_config = GD["user_routing_config_{0}".format(username)]
  
    mapzen_plan = plpy.prepare("SELECT * FROM cdb_dataservices_server._cdb_mapzen_route_point_to_point($1, $2, $3, $4, $5, $6, $7) as route;", ["text", "text", "geometry(Point, 4326)", "geometry(Point, 4326)", "text", "text[]", "text"])
    result = plpy.execute(mapzen_plan, [username, orgname, origin, destination, mode, options, units])
    return [result[0]['shape'],result[0]['length'], result[0]['duration']]
  $$ LANGUAGE plpythonu;