Learn to build a Ruby on Rails Application.

CREATE RESTAURANTS#SHOW

add tests and application logic to controller

add view code to show a restaurant object

• overview ‘http://localhost:3000/restaurants/:id’ is a place were we should be able to look at an object from the database.

git checkout -b show-restaurant

rails console => Restaurant.create name: “Mc Ruby on Rails”

• note the Restaurant id #

rm -rf test/

mkdir spec/requests

touch spec/requests/restaurant_spec.rb

visit http://localhost:3000/restaurants/:id

• note :id should be whatever the id from the restaurant object above was

modify spec/requests/restaurant_spec.rb

require 'spec_helper'

describe RestaurantsController do
  context "GET /restaurants/:id" do
    before do
      @restaurant = FactoryGirl.create :restaurant
    end

    context "resource exists" do
      subject {get "restaurants/#{@restaurant.id}"}
      it { expect(subject).to render_template(:show)}
    end

    context "resource doesn't exist" do
      subject {get "restaurants/#{@restaurant.id + 1}"}
      it { expect(subject).to redirect_to(:root) }
    end
  end
end

expect red

rspec spec/requests/restaurants_spec.rb

modify app/controllers/restaurants_controller.rb

def show
  @restaurant = Restaurant.find_by_id params[:id]
  if @restaurant
    render :show
  else
    flash[:warning] = "sorry that restaurant doesn't exist"
    redirect_to root_path
  end
end

expect green

rspec spec/requests/restaurants_spec.rb

modify app/views/restaurants/show.html.haml

.row
  .large-8.columns.large-centered
    %h1
      = @restaurant.name

verify & visit http://localhost:3000/restaurants/:id