dataservices-api/server/extension/sql/110_data_observatory_augmentation.sql

--
-- Observatory connection config
--
-- The purpose of this function is provide to the PL/Proxy functions
-- the connection string needed to connect with the current production database

CREATE OR REPLACE FUNCTION cdb_dataservices_server._obs_server_conn_str(
  username TEXT,
  orgname TEXT)
RETURNS text 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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_snapshot_config_{0}".format(username)]

  return user_obs_config.connection_str
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetDemographicSnapshotJSON(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  time_span TEXT DEFAULT NULL,
  geometry_level TEXT DEFAULT NULL)
RETURNS json AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetDemographicSnapshot(geom, time_span, geometry_level);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_demographic_snapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  time_span TEXT DEFAULT NULL,
  geometry_level TEXT DEFAULT NULL)
RETURNS json AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig
  import json

  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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_snapshot_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getdemographicsnapshot', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetDemographicSnapshotJSON($1, $2, $3, $4, $5) as snapshot;", ["text", "text", "geometry(Geometry, 4326)", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, time_span, geometry_level])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['snapshot']
        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 obs_get_demographic_snapshot', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to obs_get_demographic_snapshot')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetDemographicSnapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  time_span TEXT DEFAULT NULL,
  geometry_level TEXT DEFAULT NULL)
RETURNS SETOF json AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT * FROM cdb_observatory.OBS_GetDemographicSnapshot(geom, time_span, geometry_level);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetDemographicSnapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  time_span TEXT DEFAULT NULL,
  geometry_level TEXT DEFAULT NULL)
RETURNS SETOF JSON AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_snapshot_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getdemographicsnapshot', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetDemographicSnapshot($1, $2, $3, $4, $5) as snapshot;", ["text", "text", "geometry(Geometry, 4326)", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, time_span, geometry_level])
        if result:
          resp = []
          for element in result:
            value = element['snapshot']
            resp.append(value)
          quota_service.increment_success_service_use()
          return resp
        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 obs_get_demographic_snapshot', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to obs_get_demographic_snapshot')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetSegmentSnapshotJSON(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  geometry_level TEXT DEFAULT NULL)
RETURNS json AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetSegmentSnapshot(geom, geometry_level);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_segment_snapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  geometry_level TEXT DEFAULT NULL)
RETURNS json AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig
  import json

  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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_snapshot_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getsegmentsnapshot', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetSegmentSnapshotJSON($1, $2, $3, $4) as snapshot;", ["text", "text", "geometry(Geometry, 4326)", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, geometry_level])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['snapshot']
        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 obs_get_segment_snapshot', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to obs_get_segment_snapshot')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetSegmentSnapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  geometry_level TEXT DEFAULT NULL)
RETURNS SETOF json AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT * FROM cdb_observatory.OBS_GetSegmentSnapshot(geom, geometry_level);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetSegmentSnapshot(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  geometry_level TEXT DEFAULT NULL)
RETURNS SETOF JSON AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_snapshot_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getsegmentsnapshot', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT * FROM cdb_dataservices_server._OBS_GetSegmentSnapshot($1, $2, $3, $4) as snapshot;", ["text", "text", "geometry(Geometry, 4326)", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, geometry_level])
        if result:
          resp = []
          for element in result:
            value = element['snapshot']
            resp.append(value)
          quota_service.increment_success_service_use()
          return resp
        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 OBS_GetSegmentSnapshot', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetSegmentSnapshot')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetMeasure(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  measure_id TEXT,
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetMeasure(geom, measure_id, normalize, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetMeasure(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  measure_id TEXT,
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getmeasure', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetMeasure($1, $2, $3, $4, $5, $6, $7) as measure;", ["text", "text", "geometry(Geometry, 4326)", "text", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, measure_id, normalize, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['measure']
        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 OBS_GetMeasure', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetMeasure')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetCategory(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  category_id TEXT,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS TEXT AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetCategory(geom, category_id, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetCategory(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  category_id TEXT,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS TEXT AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getcategory', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetCategory($1, $2, $3, $4, $5, $6) as category;", ["text", "text", "geometry(Geometry, 4326)", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, category_id, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['category']
        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 OBS_GetCategory', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetCategory')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetUSCensusMeasure(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  name TEXT,
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetUSCensusMeasure(geom, name, normalize, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetUSCensusMeasure(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  name TEXT,
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getuscensusmeasure', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetUSCensusMeasure($1, $2, $3, $4, $5, $6, $7) as census_measure;", ["text", "text", "geometry(Geometry, 4326)", "text", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, name, normalize, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['census_measure']
        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 OBS_GetUSCensusMeasure', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetUSCensusMeasure')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetUSCensusCategory(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  name TEXT,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS TEXT AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetUSCensusCategory(geom, name, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetUSCensusCategory(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  name TEXT,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS TEXT AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getuscensuscategory', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetUSCensusCategory($1, $2, $3, $4, $5, $6) as census_category;", ["text", "text", "geometry(Geometry, 4326)", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, name, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['census_category']
        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 OBS_GetUSCensusCategory', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetUSCensusCategory')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetPopulation(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetPopulation(geom, normalize, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetPopulation(
  username TEXT,
  orgname TEXT,
  geom geometry(Geometry, 4326),
  normalize TEXT DEFAULT NULL,
  boundary_id TEXT DEFAULT NULL,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getpopulation', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetPopulation($1, $2, $3, $4, $5, $6) as population;", ["text", "text", "geometry(Geometry, 4326)", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom, normalize, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['population']
        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 OBS_GetPopulation', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetPopulation')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetMeasureById(
  username TEXT,
  orgname TEXT,
  geom_ref TEXT,
  measure_id TEXT,
  boundary_id TEXT,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
  SELECT cdb_observatory.OBS_GetMeasureById(geom_ref, measure_id, boundary_id, time_span);
$$ LANGUAGE plproxy;

CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetMeasureById(
  username TEXT,
  orgname TEXT,
  geom_ref TEXT,
  measure_id TEXT,
  boundary_id TEXT,
  time_span TEXT DEFAULT NULL)
RETURNS NUMERIC AS $$
  from cartodb_services.metrics import metrics
  from cartodb_services.metrics import QuotaService
  from cartodb_services.tools import Logger,LoggerConfig

  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_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
  user_obs_config = GD["user_obs_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_obs_config, redis_conn)
  if not quota_service.check_user_quota():
    raise Exception('You have reached the limit of your quota')

  with metrics('obs_getmeasurebyid', user_obs_config, logger):
    try:
        obs_plan = plpy.prepare("SELECT cdb_dataservices_server._OBS_GetMeasureById($1, $2, $3, $4, $5, $6) as measure;", ["text", "text", "text", "text", "text", "text"])
        result = plpy.execute(obs_plan, [username, orgname, geom_ref, measure_id, boundary_id, time_span])
        if result:
          quota_service.increment_success_service_use()
          return result[0]['measure']
        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 OBS_GetMeasureById', sys.exc_info(), data={"username": username, "orgname": orgname})
        raise Exception('Error trying to OBS_GetMeasureById')
    finally:
        quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;