gistfile1.txt

class Movie < ActiveRecord::Base
  acts_as_taggable
  has_one :download, :as => :resource, :dependent => :destroy
  has_attached_file :poster, :styles => {:medium => "300x300>", :thumb => "100x100>"}
  
  before_validation :download_remote_image, :if => :image_url_provided?
  
  validates_associated :download  
  validates_presence_of :title
  validates_numericality_of :year, :allow_nil => true
  validates_numericality_of :imdbid, :allow_nil => true
  validates_numericality_of :imdbrating, :allow_nil => true
  validates_url_format_of :posterurl, :allow_nil => true
  
  validates_inclusion_of :autogenerated, :in => [true, false]
    
  attr_accessor :genres
      
  private
  
  def image_url_provided?
    !self.posterurl.blank?
  end
 
  def download_remote_image
    self.poster = do_download_remote_image
  end
 
  def do_download_remote_image
    io = open(URI.parse(posterurl))
    def io.original_filename; base_uri.path.split('/').last; end
    io.original_filename.blank? ? nil : io
  rescue Exception => e # catch url errors with validations instead of exceptions (Errno::ENOENT, OpenURI::HTTPError, etc...)
    puts e.message
  end
  
  def self.per_page
    15
  end
  
  def self.from_imdb(imdbid)
    # Check to see if this movie is already in the DB. Warning: IMDBID must be known to be valid, lame.
    imdbid = imdbid.id if imdbid.class == Imdb::Movie
    movie = Movie.find_by_imdbid(imdbid)
    if movie.nil?
      movie = Movie.new_from_imdb(imdbid) 
    end
    movie
  end
  
  def self.new_from_imdb(imdbid)
    imdb = Imdb::Movie.new(imdbid)
    
  # If a movie has been found on IMDB, parse out it's details for our own use
    puts "imdb record title #{imdb.title}"
    movieinfo = {
      :title => imdb.title,
      :year => imdb.year,
      :director => imdb.director.join(", ").gsub(/[^A-Za-z0-9'", ]/, ''),
      :imdbid => imdbid,
      :imdbrating => imdb.rating,
      :posterurl => imdb.poster,
      :synopsis => imdb.plot,
      :tagline => imdb.tagline,
      :length => imdb.length,
      :autogenerated => true
    }
    
    movie = Movie.new(movieinfo)
    movie.genres = imdb.genres
    movie
  end
end