1 files changed, 50 insertions, 0 deletions
diff --git a/db/rest/util/_api_raise.sql b/db/rest/util/_api_raise.sql
new file mode 100644
index 0000000..5c740c6
--- /dev/null
+++ b/db/rest/util/_api_raise.sql
@@ -0,0 +1,50 @@
+CREATE TABLE _api.err_map (
+	err		INTEGER,
+	pg_err	TEXT
+);
+
+ALTER TABLE _api.err_map OWNER TO xssbook;
+
+ALTER TABLE ONLY _api.err_map
+	ADD CONSTRAINT err_map_pkey PRIMARY KEY (err);
+
+INSERT INTO _api.err_map (err, pg_err)
+VALUES
+	(400, 'P0001'),
+	(401, '42501'),
+	(403, '42501'),
+	(404, '42883'),
+	(409, '23505'),
+	(500, 'XX001');
+
+CREATE FUNCTION _api.raise(
+	_msg TEXT DEFAULT '',
+	_detail TEXT DEFAULT '',
+	_hint TEXT DEFAULT '',
+	_err INTEGER DEFAULT 400
+)
+RETURNS BOOLEAN
+LANGUAGE plpgsql VOLATILE
+AS $BODY$
+DECLARE
+	_pg_err TEXT;
+BEGIN
+
+	SELECT pg_err INTO _pg_err
+		FROM _api.err_map
+		WHERE err = _err;
+
+	RAISE EXCEPTION USING
+		MESSAGE := _msg,
+		DETAIL := _detail,
+		HINT := _hint,
+		ERRCODE := _pg_err;
+
+	RETURN FALSE;
+END
+$BODY$;
+
+GRANT SELECT ON TABLE _api.err_map
+	TO rest_anon, rest_user;
+GRANT EXECUTE ON FUNCTION _api.raise(TEXT, TEXT, TEXT, INTEGER)
+	TO rest_anon, rest_user;