end
end
+ def replace_system_picture attr
+ d = attr["system_picture"]
+ return nil if d.blank?
+ sp = SystemPicture.store Base64.decode64(d.to_s)
+ return false unless sp
+ attr["system_picture_id"] = sp.id
+ attr.delete "system_picture"
+ true
+ end
+
def modify_object(name, attr, key = 'name')
c = 'find_by_' + key.to_s
r = self.__send__ c, name