Server data observatory functions

2016-04-19 18:45:45 +02:00
parent dda13033b0
commit 3c5325c1d7
12 changed files with 212 additions and 7 deletions
--- a/server/extension/sql/110_data_observatory.sql
+++ b/server/extension/sql/110_data_observatory.sql
@@ -0,0 +1,76 @@
+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 $$
+  from cartodb_services.metrics import QuotaService
+  import json
+
+  plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  plpy.execute("SELECT cdb_dataservices_server._get_data_observatory_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
+  user_data_observatory_config = GD["user_data_observatory_config_{0}".format(username)]
+
+  quota_service = QuotaService(user_data_observatory_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reach the limit of your quota')
+
+  try:
+      obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetDemographicSnapshot($1, $2, $3) as snapshot;", ["geometry(Geometry, 4326)", "text", "text"])
+      result = plpy.execute(obs_plan, [geom, time_span, geometry_level])
+      if result:
+        quota_service.increment_success_service_use()
+        return result[0]['snapshot']
+      else:
+        quota_service.increment_empty_service_use()
+        return None
+  except BaseException as e:
+      import sys, traceback
+      type_, value_, traceback_ = sys.exc_info()
+      quota_service.increment_failed_service_use()
+      error_msg = 'There was an error trying to use get_geographic_snapshot: {0}'.format(e)
+      plpy.notice(traceback.format_tb(traceback_))
+      plpy.error(error_msg)
+  finally:
+      quota_service.increment_total_service_use()
+$$ 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 $$
+  from cartodb_services.metrics import QuotaService
+  import json
+
+  plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  plpy.execute("SELECT cdb_dataservices_server._get_data_observatory_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
+  user_data_observatory_config = GD["user_data_observatory_config_{0}".format(username)]
+
+  quota_service = QuotaService(user_data_observatory_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reach the limit of your quota')
+
+  try:
+      obs_plan = plpy.prepare("SELECT cdb_observatory.OBS_GetSegmentSnapshot($1, $2) as snapshot;", ["geometry(Geometry, 4326)", "text"])
+      result = plpy.execute(obs_plan, [geom, geometry_level])
+      if result:
+        quota_service.increment_success_service_use()
+        return result[0]['snapshot']
+      else:
+        quota_service.increment_empty_service_use()
+        return None
+  except BaseException as e:
+      import sys, traceback
+      type_, value_, traceback_ = sys.exc_info()
+      quota_service.increment_failed_service_use()
+      error_msg = 'There was an error trying to use get_segment_snapshot: {0}'.format(e)
+      plpy.notice(traceback.format_tb(traceback_))
+      plpy.error(error_msg)
+  finally:
+      quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;