50 lines
951 B
PL/PgSQL
50 lines
951 B
PL/PgSQL
CREATE FUNCTION _api.post_update()
|
|
RETURNS TRIGGER
|
|
LANGUAGE plpgsql VOLATILE
|
|
AS $BODY$
|
|
DECLARE
|
|
_user_id INTEGER;
|
|
_changed BOOLEAN;
|
|
BEGIN
|
|
_user_id = _api.get_user_id();
|
|
_changed = FALSE;
|
|
|
|
IF OLD.user_id <> _user_id THEN
|
|
PERFORM _api.raise_deny();
|
|
END IF;
|
|
|
|
NEW.content = COALESCE(NEW.content, OLD.content);
|
|
NEW.content := _api.trim(NEW.content);
|
|
PERFORM _api.validate_text(
|
|
_text => NEW.content,
|
|
_column => 'content',
|
|
_min => 1,
|
|
_max => 4096
|
|
);
|
|
|
|
IF NEW.content IS DISTINCT FROM OLD.content THEN
|
|
_changed = TRUE;
|
|
END IF;
|
|
|
|
IF _changed THEN
|
|
UPDATE admin.post
|
|
SET content = NEW.content
|
|
WHERE id = OLD.id;
|
|
END IF;
|
|
|
|
RETURN NEW;
|
|
END
|
|
$BODY$;
|
|
|
|
GRANT EXECUTE ON FUNCTION _api.post_update()
|
|
TO rest_user;
|
|
GRANT UPDATE ON TABLE api.post
|
|
TO rest_user;
|
|
GRANT UPDATE ON TABLE admin.post
|
|
TO rest_user;
|
|
|
|
CREATE TRIGGER api_post_update_trgr
|
|
INSTEAD OF UPDATE
|
|
ON api.post
|
|
FOR EACH ROW
|
|
EXECUTE PROCEDURE _api.post_update();
|