can [:new, :create, :edit, :update, :comment, :subscribe, :unsubscribe], DiaryEntry
can [:make_friend, :remove_friend], Friendship
can [:new, :create, :reply, :show, :inbox, :outbox, :mark, :destroy], Message
can [:close, :reopen], Note
can [:show, :edit, :update], :preference
can [:new, :create, :edit, :update, :comment, :subscribe, :unsubscribe], DiaryEntry
can [:make_friend, :remove_friend], Friendship
can [:new, :create, :reply, :show, :inbox, :outbox, :mark, :destroy], Message
can [:close, :reopen], Note
can [:show, :edit, :update], :preference