Quick and dirty removing screenshots from mac OS desktop

clean_desktop.rb

require "fileutils"

class CleanDesktop
  EXTENSIONS = %w(.png .jpg .jpeg)

  attr_reader :directory_name

  def initialize(directory_name)
    @directory_name = directory_name
  end

  def run
    create_bucket(directory_name)
    move_files!
    print_result
  end

  def print_result
    puts "#{checked_files ? 'Something went wrong' : 'Transfer Complete' }"
  end

  def create_bucket(path)
    if Dir.entries(Dir.home).include? "#{path}"
      puts "'#{path}' directory already exists"
      puts "Continuing file transfer"
      puts ""
    else
      puts "Creating directory #{path}."
      FileUtils.mkdir(path)
    end
  end

  def desktop_files
    return @files if defined? @files

    desktop = File.join(Dir.home, "Desktop")
    @files = Dir.entries(desktop).select { |file| EXTENSIONS.include?(File.extname(file)) }
  end

  def source_files
    desktop = File.join(Dir.home, "Desktop")
    desktop_files.map { |p| File.join(desktop, p) }
  end

  def destination
    File.join(Dir.home, directory_name)
  end

  def destination_files
    source = File.join(Dir.home, directory_name)
    Dir.entries(source)
  end

  def checked_files
    checked = destination_files.each_with_object([]) do |el, results|
      results << desktop_files.member?(el)
    end

    checked.all?
  end

  def move_files!
    FileUtils.mv source_files, destination if confirmed?
  end

  def confirmed?
    puts "File list"
    puts desktop_files

    STDOUT.puts "Ready for transfer. #{desktop_files.size} files will be moved. Do you want to proceed? (y/n)" 
    response = STDIN.gets.strip
    return true if  response == 'y'
    abort "You chose not to transfer. Quitting the transfer now."
  end
end

CleanDesktop.new("screen_shots").run