+ render :nothing => true, :status => :not_found
+ end
+ end
+
+ def make_friend
+ if params[:display_name]
+ name = params[:display_name]
+ new_friend = User.find_by_display_name(name)
+ friend = Friend.new
+ friend.user_id = @user.id
+ friend.friend_user_id = new_friend.id
+ unless @user.is_friends_with?(new_friend)
+ if friend.save
+ flash[:notice] = "#{name} is now your friend."
+ Notifier::deliver_friend_notification(friend)
+ else
+ friend.add_error("Sorry, failed to add #{name} as a friend.")
+ end
+ else
+ flash[:notice] = "You are already friends with #{name}."
+ end
+ redirect_to :controller => 'user', :action => 'view'