Exposes geocoder providers in public geocoder functions

Add config function in postgres explicitly to get MapzenGeocoderConfig.
Bump versions for client and server APIs. New MapzenGeocoderConfig
included to be able to use current QuotaServices with non-configured
users.

server/extension/cdb_dataservices_server--0.10.0--0.11.0.sql

@@ -0,0 +1,101 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.11.0'" to load this file. \quit
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_here_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
+RETURNS Geometry AS $$
+  plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  plpy.execute("SELECT cdb_dataservices_server._get_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
+  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
+
+  if user_geocoder_config.heremaps_geocoder:
+    here_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_here_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
+    return plpy.execute(here_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
+  else:
+    plpy.error('Here geocoder is not available for your account.')
+
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_google_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
+RETURNS Geometry AS $$
+  plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  plpy.execute("SELECT cdb_dataservices_server._get_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
+  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
+
+  if user_geocoder_config.google_geocoder:
+    google_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_google_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
+    return plpy.execute(google_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
+  else:
+    plpy.error('Google geocoder is not available for your account.')
+
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_mapzen_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
+RETURNS Geometry AS $$
+  # The configuration is retrieved but no checks are performed on it
+  plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  plpy.execute("SELECT cdb_dataservices_server._get_mapzen_geocoder_config({0}, {1})".format(plpy.quote_nullable(username), plpy.quote_nullable(orgname)))
+  user_geocoder_config = GD["user_mapzen_geocoder_config_{0}".format(username)]
+
+  mapzen_plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_mapzen_geocode_street_point($1, $2, $3, $4, $5, $6) as point; ", ["text", "text", "text", "text", "text", "text"])
+  return plpy.execute(mapzen_plan, [username, orgname, searchtext, city, state_province, country], 1)[0]['point']
+
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
+RETURNS Geometry AS $$
+  from cartodb_services.mapzen import MapzenGeocoder
+  from cartodb_services.mapzen.types import country_to_iso3
+  from cartodb_services.metrics import QuotaService
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_mapzen_geocoder_config = GD["user_mapzen_geocoder_config_{0}".format(username)]
+  quota_service = QuotaService(user_mapzen_geocoder_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reached the limit of your quota')
+
+  try:
+    geocoder = MapzenGeocoder(user_mapzen_geocoder_config.mapzen_api_key)
+    country_iso3 = None
+    if country:
+      country_iso3 = country_to_iso3(country)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city,
+                                   state_province=state_province,
+                                   country=country_iso3)
+    if coordinates:
+      quota_service.increment_success_service_use()
+      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
+      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
+      return point['st_setsrid']
+    else:
+      quota_service.increment_empty_service_use()
+      return None
+  except BaseException as e:
+    import sys, traceback
+    type_, value_, traceback_ = sys.exc_info()
+    quota_service.increment_failed_service_use()
+    error_msg = 'There was an error trying to geocode using mapzen geocoder: {0}'.format(e)
+    plpy.notice(traceback.format_tb(traceback_))
+    plpy.error(error_msg)
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_mapzen_geocoder_config(username text, orgname text)
+RETURNS boolean AS $$
+  cache_key = "user_mapzen_geocoder_config_{0}".format(username)
+  if cache_key in GD:
+    return False
+  else:
+    from cartodb_services.metrics import MapzenGeocoderConfig
+    plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+    redis_conn = GD["redis_connection_{0}".format(username)]['redis_metadata_connection']
+    mapzen_geocoder_config = MapzenGeocoderConfig(redis_conn, plpy, username, orgname)
+    GD[cache_key] = mapzen_geocoder_config
+    return True
+$$ LANGUAGE plpythonu SECURITY DEFINER;

server/extension/cdb_dataservices_server--0.11.0--0.10.0.sql

@@ -0,0 +1,46 @@
+--DO NOT MODIFY THIS FILE, IT IS GENERATED AUTOMATICALLY FROM SOURCES
+-- Complain if script is sourced in psql, rather than via CREATE EXTENSION
+\echo Use "ALTER EXTENSION cdb_dataservices_server UPDATE TO '0.10.0'" to load this file. \quit
+DROP FUNCTION IF EXISTS cdb_dataservices_server.cdb_here_geocode_street_point(TEXT, TEXT, TEXT, TEXT, TEXT, TEXT);
+DROP FUNCTION IF EXISTS cdb_dataservices_server.cdb_google_geocode_street_point(TEXT, TEXT, TEXT, TEXT, TEXT, TEXT);
+DROP FUNCTION IF EXISTS cdb_dataservices_server.cdb_mapzen_geocode_street_point(TEXT, TEXT, TEXT, TEXT, TEXT, TEXT);
+DROP FUNCTION IF EXISTS cdb_dataservices_server._get_mapzen_geocoder_config(text, text);
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_mapzen_geocode_street_point(username TEXT, orgname TEXT, searchtext TEXT, city TEXT DEFAULT NULL, state_province TEXT DEFAULT NULL, country TEXT DEFAULT NULL)
+RETURNS Geometry AS $$
+  from cartodb_services.mapzen import MapzenGeocoder
+  from cartodb_services.mapzen.types import country_to_iso3
+  from cartodb_services.metrics import QuotaService
+
+  redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
+  user_geocoder_config = GD["user_geocoder_config_{0}".format(username)]
+  quota_service = QuotaService(user_geocoder_config, redis_conn)
+  if not quota_service.check_user_quota():
+    plpy.error('You have reached the limit of your quota')
+
+  try:
+    geocoder = MapzenGeocoder(user_geocoder_config.mapzen_api_key)
+    country_iso3 = None
+    if country:
+      country_iso3 = country_to_iso3(country)
+    coordinates = geocoder.geocode(searchtext=searchtext, city=city,
+                                   state_province=state_province,
+                                   country=country_iso3)
+    if coordinates:
+      quota_service.increment_success_service_use()
+      plan = plpy.prepare("SELECT ST_SetSRID(ST_MakePoint($1, $2), 4326); ", ["double precision", "double precision"])
+      point = plpy.execute(plan, [coordinates[0], coordinates[1]], 1)[0]
+      return point['st_setsrid']
+    else:
+      quota_service.increment_empty_service_use()
+      return None
+  except BaseException as e:
+    import sys, traceback
+    type_, value_, traceback_ = sys.exc_info()
+    quota_service.increment_failed_service_use()
+    error_msg = 'There was an error trying to geocode using mapzen geocoder: {0}'.format(e)
+    plpy.notice(traceback.format_tb(traceback_))
+    plpy.error(error_msg)
+  finally:
+    quota_service.increment_total_service_use()
+$$ LANGUAGE plpythonu;

server/extension/cdb_dataservices_server.control

@@ -1,5 +1,5 @@
 comment = 'CartoDB dataservices server extension'
-default_version = '0.10.0'
+default_version = '0.11.0'
 requires = 'plpythonu, plproxy, postgis, cdb_geocoder'
 superuser = true
 schema = cdb_dataservices_server

server/extension/sql/15_config_helper.sql

@@ -12,6 +12,20 @@ RETURNS boolean AS $$
     return True
 $$ LANGUAGE plpythonu SECURITY DEFINER;
 
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_mapzen_geocoder_config(username text, orgname text)
+RETURNS boolean AS $$
+  cache_key = "user_mapzen_geocoder_config_{0}".format(username)
+  if cache_key in GD:
+    return False
+  else:
+    from cartodb_services.metrics import MapzenGeocoderConfig
+    plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
+    redis_conn = GD["redis_connection_{0}".format(username)]['redis_metadata_connection']
+    mapzen_geocoder_config = MapzenGeocoderConfig(redis_conn, plpy, username, orgname)
+    GD[cache_key] = mapzen_geocoder_config
+    return True
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
 CREATE OR REPLACE FUNCTION cdb_dataservices_server._get_internal_geocoder_config(username text, orgname text)
 RETURNS boolean AS $$
   cache_key = "user_internal_geocoder_config_{0}".format(username)