class UsersController < ApplicationController

  def index
    @user_table = get_html_table "aim", "name"
  end

  def show
   @user = User.find(params[:id])
  end

  private

  def build_link(action,content,id)
    '<a href="' +
    url_for(:controller => 'users', :action => action, :id => id) +
    %{">#{content}</a>}
  end

  def get_html_table(*columns)
    columns = User.column_names if columns.empty?
    User.formatted_table(:html, :columns => columns) do |e|
      e.rewrite_column("name")  { |r|
        build_link(:show,r["name"],r["id"])
      }
      e.rewrite_column("email") { |r|
        r["email"].gsub("@","at").gsub(".","dot")
      }
    end
  end

end