armandofox

h1, #topHeadline, p.bigheader {
  color: red;
  font-size: 125%;
  text-align: center;
  border: 1px solid #d0d0c0;
}

armandofox

Feature: User can search for a movie (vague)
Feature: User can search for a movie by title (specific)

armandofox

# Run 'rails generate migration create_reviews' and then
#   edit db/migrate/*_create_reviews.rb to look like this:
class CreateReviews < ActiveRecord::Migration
  def up
    create_table 'reviews' do |t|
      t.integer    'potatoes'
      t.text       'comments'
      t.references 'moviegoer'
      t.references 'movie'
    end

armandofox

class ApplicationController < ActionController::Base
  before_filter :set_current_user
  protected # prevents method from being invoked by a route
  def set_current_user
    # we exploit the fact that find_by_id(nil) returns nil
    @current_user ||= Moviegoer.find_by_id(session[:user_id])
    redirect_to login_path and return unless @current_user
  end
end

armandofox

#login
  - if @current_user
    %p.welcome  Welcome, #{@current_user.name}!
    = link_to 'Log Out', logout_path
  - else
    %p.login= link_to 'Log in with your Twitter account', '/auth/twitter'

armandofox

get  'auth/:provider/callback' => 'sessions#create'
post 'logout' => 'sessions#destroy'
get  'auth/failure' => 'sessions#failure'

armandofox

class SessionsController < ApplicationController
  # user shouldn't have to be logged in before logging in!
  skip_before_filter :set_current_user
  def create
    auth=request.env["omniauth.auth"]
    user=Moviegoer.find_by_provider_and_uid(auth["provider"],auth["uid"]) ||
      Moviegoer.create_with_omniauth(auth)
    session[:user_id] = user.id
    redirect_to movies_path
  end

armandofox

# somewhat contrived example of an around-filter
around_filter :only => ['withdraw_money', 'transfer_money'] do
  # log who is trying to move money around
  start = Time.now
  yield   # do the action
  # note how long it took
  logger.info params
  logger.info (Time.now - start)
end

armandofox

class UsersController < ApplicationController
  before_filter :logged_in?, :except => [:login, :process_login]
  private # subsequent methods are private to this class, until 'public' given
  def logged_in?
    redirect_to login_path and return unless
      (@current_user = get_logged_in_user)
  end
  public
  # ...controller actions go here
end

armandofox

# replaces the 'create' method in controller:
def create
  @movie = Movie.new(params[:movie])
  if @movie.save
    flash[:notice] = "#{@movie.title} was successfully created."
    redirect_to movies_path
  else
    render 'new' # note, 'new' template can access @movie's field values!
  end
end