dataservices-api/server/extension/sql/110_data_observatory.sql
2016-04-20 15:58:39 +02:00

76 lines
3.4 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_demographic_snapshot(
username TEXT,
orgname TEXT,
geom geometry(Geometry, 4326),
time_span TEXT DEFAULT '2009 - 2013',
geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
RETURNS json AS $$
from cartodb_services.metrics import QuotaService
import json
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_data_observatory_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_data_observatory_config = GD["user_data_observatory_config_{0}".format(username)]
quota_service = QuotaService(user_data_observatory_config, redis_conn)
if not quota_service.check_user_quota():
plpy.error('You have reached the limit of your quota')
try:
obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetDemographicSnapshot($1, $2, $3) as snapshot;", ["geometry(Geometry, 4326)", "text", "text"])
result = plpy.execute(obs_plan, [geom, time_span, geometry_level])
if result:
quota_service.increment_success_service_use()
return result[0]['snapshot']
else:
quota_service.increment_empty_service_use()
return None
except BaseException as e:
import sys, traceback
type_, value_, traceback_ = sys.exc_info()
quota_service.increment_failed_service_use()
error_msg = 'There was an error trying to use get_geographic_snapshot: {0}'.format(e)
plpy.notice(traceback.format_tb(traceback_))
plpy.error(error_msg)
finally:
quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_segment_snapshot(
username TEXT,
orgname TEXT,
geom geometry(Geometry, 4326),
geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
RETURNS json AS $$
from cartodb_services.metrics import QuotaService
import json
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_data_observatory_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_data_observatory_config = GD["user_data_observatory_config_{0}".format(username)]
quota_service = QuotaService(user_data_observatory_config, redis_conn)
if not quota_service.check_user_quota():
plpy.error('You have reached the limit of your quota')
try:
obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetSegmentSnapshot($1, $2) as snapshot;", ["geometry(Geometry, 4326)", "text"])
result = plpy.execute(obs_plan, [geom, geometry_level])
if result:
quota_service.increment_success_service_use()
return result[0]['snapshot']
else:
quota_service.increment_empty_service_use()
return None
except BaseException as e:
import sys, traceback
type_, value_, traceback_ = sys.exc_info()
quota_service.increment_failed_service_use()
error_msg = 'There was an error trying to use get_segment_snapshot: {0}'.format(e)
plpy.notice(traceback.format_tb(traceback_))
plpy.error(error_msg)
finally:
quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;