116 lines
5.0 KiB
PL/PgSQL
116 lines
5.0 KiB
PL/PgSQL
--
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-- Observatory connection config
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--
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-- The purpose of this function is provide to the PL/Proxy functions
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-- the connection string needed to connect with the current production database
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._obs_server_conn_str(
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username TEXT,
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orgname TEXT)
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RETURNS text AS $$
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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plpy.execute("SELECT cdb_dataservices_server._get_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_obs_snapshot_config = GD["user_obs_snapshot_config_{0}".format(username)]
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return user_obs_snapshot_config.connection_str
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_demographic_snapshot(
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username TEXT,
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orgname TEXT,
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geom geometry(Geometry, 4326),
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time_span TEXT DEFAULT '2009 - 2013',
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geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
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RETURNS json AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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SELECT cdb_dataservices_server._obs_get_demographic_snapshot (username, orgname, geom, time_span, geometry_level);
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$$ LANGUAGE plproxy;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._obs_get_demographic_snapshot(
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username TEXT,
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orgname TEXT,
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geom geometry(Geometry, 4326),
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time_span TEXT DEFAULT '2009 - 2013',
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geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
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RETURNS json AS $$
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from cartodb_services.metrics import QuotaService
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import json
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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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_obs_snapshot_config = GD["user_obs_snapshot_config_{0}".format(username)]
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quota_service = QuotaService(user_obs_snapshot_config, redis_conn)
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if not quota_service.check_user_quota():
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plpy.error('You have reached the limit of your quota')
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try:
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obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetDemographicSnapshot($1, $2, $3) as snapshot;", ["geometry(Geometry, 4326)", "text", "text"])
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result = plpy.execute(obs_plan, [geom, time_span, geometry_level])
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if result:
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quota_service.increment_success_service_use()
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return result[0]['snapshot']
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else:
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quota_service.increment_empty_service_use()
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return None
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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_service_use()
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error_msg = 'There was an error trying to use get_geographic_snapshot: {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_service_use()
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server.obs_get_segment_snapshot(
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username TEXT,
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orgname TEXT,
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geom geometry(Geometry, 4326),
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geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
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RETURNS json AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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SELECT cdb_dataservices_server._obs_get_segment_snapshot (username, orgname, geom, geometry_level);
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$$ LANGUAGE plproxy;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._obs_get_segment_snapshot(
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username TEXT,
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orgname TEXT,
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geom geometry(Geometry, 4326),
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geometry_level TEXT DEFAULT '"us.census.tiger".block_group')
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RETURNS json AS $$
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from cartodb_services.metrics import QuotaService
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import json
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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_obs_snapshot_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
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user_obs_snapshot_config = GD["user_obs_snapshot_config_{0}".format(username)]
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quota_service = QuotaService(user_obs_snapshot_config, redis_conn)
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if not quota_service.check_user_quota():
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plpy.error('You have reached the limit of your quota')
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try:
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obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetSegmentSnapshot($1, $2) as snapshot;", ["geometry(Geometry, 4326)", "text"])
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result = plpy.execute(obs_plan, [geom, geometry_level])
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if result:
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quota_service.increment_success_service_use()
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return result[0]['snapshot']
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else:
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quota_service.increment_empty_service_use()
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return None
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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_service_use()
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error_msg = 'There was an error trying to use get_segment_snapshot: {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_service_use()
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$$ LANGUAGE plpythonu;
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