Interview Question #4

application_helper.rb

module ApplicationHelper
  def pretty_user_name
    "<span class='pretty'>" + @user.first_name + " " + @user.last_name + "</span>"
  end
end

comment.rb

class Comment < ActiveRecord::Base
  attr_accessible :name, :active
  belongs_to :user
end

show.html.erb

# /app/views/users/show.html.erb
<h1> Displaying User: <%= pretty_user_name %></h1>
<% @comments.each do |c| %>
  <div class="comment">
    <p class='title'><%= c.name %></p>
  </div>
<% end %>

user.rb

class User < ActiveRecord::Base
  attr_accessible :first_name, :last_name
  has_many :comments
end

users_controller.rb

class UsersController < ApplicationController
  def show
    @user = User.find params[:id]
    @comments = Comment.where("status = 'active' and user_id = ?", @user.id)
  end
end