+ @not_found_user = params[:display_name]
+ render :action => 'no_such_user', :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'
+ end
+ end
+
+ def remove_friend
+ if params[:display_name]
+ name = params[:display_name]
+ friend = User.find_by_display_name(name)
+ if @user.is_friends_with?(friend)
+ Friend.delete_all "user_id = #{@user.id} AND friend_user_id = #{friend.id}"
+ flash[:notice] = "#{friend.display_name} was removed from your friends."
+ else
+ flash[:notice] = "#{friend.display_name} was not already one of your friends."
+ end
+ redirect_to :controller => 'user', :action => 'view'