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: dashboard_controller.rb
    path of file: ./repos/poly/app/controllers
    
    the code of the file until where you have to start completion: class DashboardController < SecureController
  skip_after_action :verify_authorized, only: [:index]
  skip_after_action :verify_policy_scoped, only: [:index]

  def index
    @user = current_user
    @hashedEmail = Digest::MD5.hexdigest(@user.email)
    @books = Book
      .most_recent_with_content
      .map do |book|
        BookSerializer.new(book)
    end
    @authoredBooks = Book
      .where(user_id: @user)
      .order("created_at DESC")
      .map do |book|
          BookS
    
  def index
    @user = current_user
    @hashedEmail = Digest::MD5.hexdigest(@user.email)
    @books = Book
      .most_recent_with_content
      .map do |book|
        BookSerializer.new(book)
    end
    @authoredBooks = Book
      .where(user_id: @user)
      .order("created_at DESC")
      .map do |book|
          BookSerializer.new(book)
    end

    @favorites = FavoriteBook
      .where(user_id: @user)
      .order("created_at DESC")
      .map do |fav_book|
        begin
          book = Book.find(fav_book.book_id)
          BookSerializer.new(book)
        rescue
          fav_book.destroy
        end
    end