Client example using the cdb_conf table

server/lib/python/cartodb_geocoder/example/client_func_example.sql

@@ -1,12 +1,29 @@
-CREATE OR REPLACE FUNCTION geocode_admin0_polygons(search text)
-    RETURNS SETOF Geometry AS $$
-BEGIN
-    RETURN QUERY SELECT geocode_admin0_polygons(search, session_user, txid_current());
-END;
-$$ LANGUAGE plpgsql;
+# cdb_conf geocoder config example
+INSERT INTO cdb_conf VALUES ('geocoder_conf', '{"geocoder_db": {"host": "localhost", "port": "5432", db": "cartodb_dev_user_274bf952-8568-4598-9efd-be92ed3d2ead_db", "user": "development_cartodb_user_274bf952-8568-4598-9efd-be92ed3d2ead"}, "redis": {"host": "localhost", "port": 6379, "db": 5 } }')
 
-CREATE OR REPLACE FUNCTION geocode_admin0_polygons(search text, user_id name, tx_id bigint)
+CREATE OR REPLACE FUNCTION cartodb._Geocoder_Admin0_Polygons(search text)
+    RETURNS Geometry AS
+$$
+    db_connection_str = plpy.execute("SELECT * FROM cartodb._Geocoder_Server_Conf() conf;")[0]['conf']
+    return plpy.execute("SELECT cartodb._Geocoder_Admin0_Polygons('{0}', session_user, txid_current(), '{1}') as geom".format(search, db_connection_str))[0]['geom']
+$$ LANGUAGE plpythonu SECURITY DEFINER;
+
+CREATE OR REPLACE
+FUNCTION cartodb._Geocoder_Server_Conf()
+    RETURNS text AS
+$$
+    conf = plpy.execute("SELECT cartodb.CDB_Conf_GetConf('geocoder_conf') conf")[0]['conf']
+    if conf is None:
+      raise "There is no geocoder server configuration "
+    else:
+      import json
+      params = json.loads(conf)
+      db_params = params['geocoder_db']
+      return "host={0} port={1} dbname={2} user={3}".format(db_params['host'],db_params['port'],db_params['db'],db_params['user'])
+$$ LANGUAGE 'plpythonu';
+
+CREATE OR REPLACE FUNCTION cartodb._Geocoder_Admin0_Polygons(search text, user_id name, tx_id bigint, db_connection_str text)
 RETURNS Geometry AS $$
-	CONNECT 'dbname=cartodb_dev_user_274bf952-8568-4598-9efd-be92ed3d2ead_db user=postgres';
-    SELECT geom FROM geocode_admin0(search, tx_id, user_id);
+    CONNECT db_connection_str;
+    SELECT geocode_admin0(search, tx_id, user_id);
 $$ LANGUAGE plproxy;