search for: user_permissions

Hi, I want to show the validate - message in the flash[:error] - field but I can''t find any options. An example: class UserPermission < ActiveRecord::Base validates_presence_of :name, :message => "Please insert a name" ... | end V flash[:error] = "Error - " Has anybody a solution for this

At present I have the following models: users <-> permissions <-> objects I wish to expand this to include groups, so that groups can contain users and have permissions (a user might be part of more than one group). However, the only way I see to do this is: users <-> user_permissions <-> objects users <-> group_memberships <-> groups <-> group_permissions <-> objects Is there a nicer way to do this so that I only need one permissions model, or is this the best way to do it? Also, whichever way I do it, is there a nice way to make groups for spe...