dataservices-api/server/extension/sql/115_data_observatory_exploration.sql
2016-11-11 11:13:08 +01:00

117 lines
5.3 KiB
PL/PgSQL

CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_Search(
username TEXT,
orgname TEXT,
search_term TEXT,
relevant_boundary TEXT DEFAULT NULL)
RETURNS TABLE(id text, description text, name text, aggregate text, source text) AS $$
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
SELECT * FROM cdb_observatory.OBS_Search(search_term, relevant_boundary);
$$ LANGUAGE plproxy;
CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_Search(
username TEXT,
orgname TEXT,
search_term TEXT,
relevant_boundary TEXT DEFAULT NULL)
RETURNS TABLE(id text, description text, name text, aggregate text, source text) AS $$
from cartodb_services.metrics import metrics
from cartodb_services.metrics import QuotaService
from cartodb_services.tools import Logger,LoggerConfig
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_obs_config = GD["user_obs_config_{0}".format(username)]
plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
logger_config = GD["logger_config"]
logger = Logger(logger_config)
quota_service = QuotaService(user_obs_config, redis_conn)
if not quota_service.check_user_quota():
raise Exception('You have reached the limit of your quota')
with metrics('obs_search', user_obs_config, logger):
try:
obs_plan = plpy.prepare("SELECT * FROM cdb_dataservices_server._OBS_Search($1, $2, $3, $4);", ["text", "text", "text", "text"])
result = plpy.execute(obs_plan, [username, orgname, search_term, relevant_boundary])
if result:
resp = []
for element in result:
id = element['id']
description = element['description']
name = element['name']
aggregate = element['aggregate']
source = element['source']
resp.append([id, description, name, aggregate, source])
quota_service.increment_success_service_use()
return resp
else:
quota_service.increment_empty_service_use()
return [None, None, None, None, None]
except BaseException as e:
import sys
quota_service.increment_failed_service_use()
logger.error('Error trying to OBS_Search', sys.exc_info(), data={"username": username, "orgname": orgname})
raise Exception('Error trying to OBS_Search')
finally:
quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetAvailableBoundaries(
username TEXT,
orgname TEXT,
geom geometry(Geometry, 4326),
time_span TEXT DEFAULT NULL)
RETURNS TABLE(boundary_id text, description text, time_span text, tablename text) AS $$
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
SELECT * FROM cdb_observatory.OBS_GetAvailableBoundaries(geom, time_span);
$$ LANGUAGE plproxy;
CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetAvailableBoundaries(
username TEXT,
orgname TEXT,
geom geometry(Geometry, 4326),
time_span TEXT DEFAULT NULL)
RETURNS TABLE(boundary_id text, description text, time_span text, tablename text) AS $$
from cartodb_services.metrics import metrics
from cartodb_services.metrics import QuotaService
from cartodb_services.tools import Logger,LoggerConfig
plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
plpy.execute("SELECT cdb_dataservices_server._get_obs_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
user_obs_config = GD["user_obs_config_{0}".format(username)]
plpy.execute("SELECT cdb_dataservices_server._get_logger_config()")
logger_config = GD["logger_config"]
logger = Logger(logger_config)
quota_service = QuotaService(user_obs_config, redis_conn)
if not quota_service.check_user_quota():
raise Exception('You have reached the limit of your quota')
with metrics('obs_getavailableboundaries', user_obs_config, logger):
try:
obs_plan = plpy.prepare("SELECT * FROM cdb_dataservices_server._OBS_GetAvailableBoundaries($1, $2, $3, $4) as available_boundaries;", ["text", "text", "geometry(Geometry, 4326)", "text"])
result = plpy.execute(obs_plan, [username, orgname, geom, time_span])
if result:
resp = []
for element in result:
id = element['boundary_id']
description = element['description']
tspan = element['time_span']
tablename = element['tablename']
resp.append([id, description, tspan, tablename])
quota_service.increment_success_service_use()
return resp
else:
quota_service.increment_empty_service_use()
return []
except BaseException as e:
import sys
quota_service.increment_failed_service_use()
logger.error('Error trying to OBS_GetMeasureById', sys.exc_info(), data={"username": username, "orgname": orgname})
raise Exception('Error trying to OBS_GetMeasureById')
finally:
quota_service.increment_total_service_use()
$$ LANGUAGE plpythonu;