125 lines
6.3 KiB
PL/PgSQL
125 lines
6.3 KiB
PL/PgSQL
-- Get the Redis configuration from the _conf table --
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_isolines_routing_config(username text, orgname text)
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RETURNS boolean AS $$
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cache_key = "user_isolines_routing_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_services.metrics import IsolinesRoutingConfig
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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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routing_config = IsolinesRoutingConfig(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] = routing_config
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return True
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$$ LANGUAGE plpythonu SECURITY DEFINER;
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CREATE TYPE cdb_dataservices_server.isoline AS (center geometry(Geometry,4326), data_range integer, the_geom geometry(Multipolygon,4326));
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_here_routing_isolines(username TEXT, orgname TEXT, type TEXT, source geometry(Geometry, 4326), mode TEXT, data_range integer[], options text[])
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RETURNS SETOF cdb_dataservices_server.isoline AS $$
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import json
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from cartodb_services.here import HereMapsRoutingIsoline
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from cartodb_services.metrics import QuotaService
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from cartodb_services.here.types import geo_polyline_to_multipolygon
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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user_isolines_routing_config = GD["user_isolines_routing_config_{0}".format(username)]
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# -- Check the quota
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quota_service = QuotaService(user_isolines_routing_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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client = HereMapsRoutingIsoline(user_isolines_routing_config.heremaps_app_id, user_isolines_routing_config.heremaps_app_code, base_url = HereMapsRoutingIsoline.PRODUCTION_ROUTING_BASE_URL)
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if source:
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lat = plpy.execute("SELECT ST_Y('%s') AS lat" % source)[0]['lat']
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lon = plpy.execute("SELECT ST_X('%s') AS lon" % source)[0]['lon']
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source_str = 'geo!%f,%f' % (lat, lon)
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else:
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source_str = None
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if type == 'isodistance':
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resp = client.calculate_isodistance(source_str, mode, data_range, options)
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elif type == 'isochrone':
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resp = client.calculate_isochrone(source_str, mode, data_range, options)
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if resp:
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result = []
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for isoline in resp:
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data_range_n = isoline['range']
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polyline = isoline['geom']
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multipolygon = geo_polyline_to_multipolygon(polyline)
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result.append([source, data_range_n, multipolygon])
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quota_service.increment_success_geocoder_use()
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quota_service.increment_isolines_service_use(len(resp))
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return result
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else:
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quota_service.increment_empty_geocoder_use()
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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 obtain isodistances: {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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finally:
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quota_service.increment_total_geocoder_use()
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$$ LANGUAGE plpythonu SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_isodistance(username TEXT, orgname TEXT, source geometry(Geometry, 4326), mode TEXT, range integer[], options text[] DEFAULT array[]::text[])
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RETURNS SETOF cdb_dataservices_server.isoline AS $$
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_isolines_routing_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_isolines_config = GD["user_isolines_routing_config_{0}".format(username)]
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type = 'isodistance'
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if user_isolines_config.google_services_user:
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plpy.error('This service is not available for google service users.')
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here_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_here_routing_isolines($1, $2, $3, $4, $5, $6, $7) as isoline; ", ["text", "text", "text", "geometry(Geometry, 4326)", "text", "integer[]", "text[]"])
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result = plpy.execute(here_plan, [username, orgname, type, source, mode, range, options])
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isolines = []
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for element in result:
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isoline = element['isoline']
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isoline = isoline.translate(None, "()").split(',')
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isolines.append(isoline)
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return isolines
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_isochrone(username TEXT, orgname TEXT, source geometry(Geometry, 4326), mode TEXT, range integer[], options text[] DEFAULT array[]::text[])
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RETURNS SETOF cdb_dataservices_server.isoline AS $$
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_isolines_routing_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_isolines_config = GD["user_isolines_routing_config_{0}".format(username)]
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type = 'isochrone'
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if user_isolines_config.google_services_user:
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plpy.error('This service is not available for google service users.')
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here_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_here_routing_isolines($1, $2, $3, $4, $5, $6, $7) as isoline; ", ["text", "text", "text", "geometry(Geometry, 4326)", "text", "integer[]", "text[]"])
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result = plpy.execute(here_plan, [username, orgname, type, source, mode, range, options])
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isolines = []
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for element in result:
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isoline = element['isoline']
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isoline = isoline.translate(None, "()").split(',')
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isolines.append(isoline)
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return isolines
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$$ LANGUAGE plpythonu;
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