gistfile1.txt

class Movie < ActiveRecord::Base
end 

module Crawler
  extend self

  def run
    html = Net::HTTP.get "..."
    doc = Nokogiri.HTML(html)
    doc.css(".movies").each do |movie|
      Movie.create! :name => "Name"
      Theater.create! :name => "Name"
      ...
    end
  end
end

class Movie
  extend Crawler
  Movie.run
end

class CrawlerController
  def initialize
  end

  def run
  end
end

CrawlerController.new.run

module Crawler
  extend self

  def run
    html = Net::HTTP.get "..."
    doc = Nokogiri.HTML(html)
    doc.css(".movies").each do |movie|
      Movie.create! :name => "Name"
      Theater.create! :name => "Name"
      ...
    end
  end
end

Crawler.run

module Crawler
  def self.run
      ...
  end
end

# /lib/crawler.rb
module Crawler
end

# /lib/crawler/movies.rb
module Crawler::Movies
  def self.run
      ...
  end
end

# /lib/crawler/schedules.rb
module Crawler::Schedules
  def self.run
      ...
  end
end

# Rakefile
Movies.transaction do
  Crawler::Movies.run
  Crawler::Schedules.run
end

I always get an "uninitialized constant Movie" Error ...