You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: pages_controller.rb
    path of file: ./repos/alonetone/app/controllers
    
    the code of the file until where you have to start completion: class PagesController < ApplicationController
  layout 'pages', only: %i[about faq help why privacy]
  layout 'application', only: %i[error four_oh_four]

  def twentyfour
    render layout: '24houralbum'
  end

  def rpm_challenge
    set_2009_albums
    set_2010_albums
    render layout: 'rpm_challenge'
  end

  def about
    @page_title = "About alonetone"
  end

  def help
    @page_title = "Help!"
  end

  def privacy
    @page_title = "Privacy Policy"
  end

  def faq
    @page_title = "Frequently Asked Questions"
  end

  def why
    @pag
    
  def home; end

  def raise_error
    raise("A Purposeful Error Occurred")
  end

  def error
    @page_title = "Something Broke!"
    render status: 500
  end

  def four_oh_four
    @page_title = "404 Not found"
    render status: 404
  end

  def help_an_app_support_brutha_out
    query      = "SELECT version FROM schema_migrations ORDER BY version DESC LIMIT 1"
    version    = ActiveRecord::Base.connection.select_value(query)
    time       = Time.now.to_formatted_s(:rfc822)
    render(text: "O Hai. You can haz alonetone. kthxbai!")
  end

  def press; end

  def stats
    @page_title = "Listening and Song Statistics"
    @number_of_musicians = User.musicians.count
    @comments_per_user = User.average('comments_count').try(:ceil) || 0
    @average_length_of_track = Asset.formatted_time(Asset.average('length').try(:ceil) || 0)
    @listens_per_track = Asset.average('listens_count').try(:ceil) || 0
    @listens_per_user = User.average('listens_count').try(:ceil) || 0
    @tracks_per_user = User.average('assets_count').try(:ceil) || 0
    @listens_per_week_per_track = Asset.average('listens_per_week').try(:ceil) || 0
  end

  def itunes
    @page_title = "How to get your music on iTunes (as a music podcast) with alonetone"
  end

  def ok
    ActiveRecord::Base.connection.execute("SELECT 1")
    ok = "OK"
    ok += '_QUEUE_UNDER_200' if Sidekiq::Stats.new.enqueued < 200
    ok += '_AND_WORKERS_UP' unless Sidekiq::ProcessSet.new.size > 0
    render plain: ok
  end

  def sitemap
    respond_to do |wants|
      wants.xml
    end
  end

  def toggle_theme
    respond_to :js
    if logged_in?
      current_user.toggle! :dark_theme
      session[:theme] = current_user.dark_theme? ? 'dark' : 'light'
    else
      session[:theme] = 'dark' if session[:theme] == 'light'
      session[:theme] ||= 'light'
    end
  end

  protected

  def set_2009_albums
    ids_2009 = [986, 951, 945, 924, 912, 915, 916, 918, 921, 923,
            926, 927, 928, 933, 935, 944, 910,
            906, 904, 899, 893, 892, 891, 887, 886, 882, 880,
            879, 877, 875, 872, 864, 863, 860, 858, 857, 856,
            855, 852, 849, 846, 845, 843, 842, 841,
            840, 838, 836, 834, 832, 831, 829, 828, 827,
            826, 825, 824, 823, 822, 821, 818, 817, 816, 814,
            812, 810, 806, 805, 804, 802, 801, 800, 716, 799, 798,
            797, 787, 786, 767, 762,
            760, 753, 745, 742, 739, 724, 729, 809, 819, 830]
    @albums_2009 = Playlist.where(id: ids_2009).order('created_at ASC').with_preloads
  end

  def set_2010_albums
    ids_2010 = [2140, 2037, 2151, 2096, 2152, 2082, 2158, 2157, 2107,
                2045, 2161, 2163, 2160, 2127, 2162, 2021, 2139, 2147,
                2141, 2164, 2167, 2046, 2084, 2153, 2173, 2172, 2007,
                2138, 2175, 2125, 2148, 2180, 2044, 2129, 2184, 2165,
                2078, 2108, 2029, 2195, 2083, 2194, 2187, 2182, 2196,
                2174, 2197, 2200, 2202, 2150, 2209, 2012, 2215, 2245,
                2241, 2234]
    @albums_2010 = Playlist.where(id: ids_2010).with_preloads
  end
end