gistfile1.rb

class MoviesController < ApplicationController
  def index
    if params[:filter] == "coming_soon"
      @movies = Movie.coming_soon
    else
      @movies_for_the_week = Movie.for_the_week
    end
    
    @view = params[:filter]
  end
  
  def new
    @movie = Movie.new
    @movie.showtimes.build
    @movie.showtimes.first.hours.build
  end
  
  def create
    @movie = Movie.new(params[:movie])
    if @movie.save
      flash[:notice] = "Movie successfully created!"
      redirect_to movies_path
    else
      render :action => :new
    end
  end
  
  def update
    @movie = Movie.find(params[:id])

    @movie.showtimes.delete_all
    if @movie.update_attributes(params[:movie])
      flash[:notice] = 'Movie was successfully updated.'
      redirect_to movies_path
    else
      render :action => "edit"
    end
  end
  
  def edit
    @movie = Movie.find(params[:id])
  end
end



class Movie < ActiveRecord::Base
  RATINGS = %w[G PG PG-13 R NC-17]
    
  acts_as_taggable_on :genre, :cast, :director
  has_many :showtimes, :dependent => :delete_all
  
  has_attached_file :poster, 
    :styles => { :carousel => "318x470#", :small => "145x214#", :medium => "230x342#" },
    :storage => (APP_CONFIG["s3_bucket"] ? :s3 : :filesystem),
    :s3_credentials => "#{RAILS_ROOT}/config/app_config.yml",
    :path => (APP_CONFIG["s3_bucket"] ? ":attachment/:id/:style.:extension" : ":rails_root/public/system/:attachment/:id/:style/:filename"),
    :bucket => APP_CONFIG["s3_bucket"]
  
  accepts_nested_attributes_for :showtimes, :allow_destroy => true
  
  validates_associated :showtimes
  validates_presence_of :title
  validates_presence_of :description
  validates_presence_of :poster
  validates_format_of :trailer, :with => /v=[^&]+/, :message => "is invalid", :if => :has_video?
  
  validates_attachment_size :poster, :less_than => 5.megabytes
  validates_attachment_content_type :poster, :content_type => ['image/jpeg', 'image/pjpeg', 'image/jpg', 'image/png', 'image/gif']
  
  named_scope :coming_soon, lambda {{:conditions => ['premiere > ?', Date.today]}} 
  named_scope :that_plays,  lambda { |day| {
              :joins => :showtimes, 
              :group => "showtimes.day", 
              :having => ["showtimes.day = ?", day] }}

  before_save :cache_premiere
  
  def self.for_the_week
    movies = []
    
    for i in 0..6
      date = Date.today+i 
      items = self.that_plays date
      
      movies[i] = { :date => date, :items => items }
    end
    
    movies
  end
  
  def trailer_video(size = :small)
    width = 0
    height = 0
    
    case size
    when :small
      width = 250
      height = 154
    when :medium
      width = 480
      height = 295
    when :large
      width = 560
      height = 340
    when :high_quality
      width = 640
      height = 385
    when :high_definition
      width = 853
      height = 505
    end
    
    embed =  "<object width='#{width}' height='#{height}'>"
    embed << "<param name='movie' value='http://www.youtube.com/v/#{trailer_v}&hl=en_US&fs=1&hd=1'></param>"
    embed << "<param name='allowFullScreen' value='true'></param>" 
    embed << "<param name='allowscriptaccess' value='always'></param>"
    embed << "<embed src='http://www.youtube.com/v/#{trailer_v}&hl=en_US&fs=1&hd=1' type='application/x-shockwave-flash' allowscriptaccess='always' allowfullscreen='true' width='#{width}' height='#{height}'></embed>"
    embed << "</object>"
  end
  
  protected

  def cache_premiere
    self.premiere = self.showtimes.collect{|s| s.day }.sort.first
  end

  def trailer_v
    trailer.scan(/v=[^&]+/)[0].delete("v=")
  end
  
  def has_video?
    not trailer.empty?
  end
end