zhdk/madek

module UserModules
  module Dropbox
    extend ActiveSupport::Concern

    # returns the path as string or false if it doesn't exist
    def dropbox_dir
      _dropbox_dir = dropbox_dir_path
      File.directory?(_dropbox_dir) and _dropbox_dir
    end

    # returns the path as string, even if it doesn't exist
    def dropbox_dir_path
      File.join(Settings.dropbox.root_dir, dropbox_dir_name)
    end

    def dropbox_files
      if dd = dropbox_dir
        Dir.glob(File.join(dd, '**', '*')).
          select {|x| not File.directory?(x) }.
          map {|f| {:dirname=> File.dirname(f).gsub(dd, ''),
                    :filename=> File.basename(f),
                    :size => File.size(f) }}
      end
    end

    def dropbox_dir_name
      if persisted?
        digest = OpenSSL::Digest.new('sha1');
        message= password_digest
        secret= Rails.application.secrets.secret_key_base
        OpenSSL::HMAC.hexdigest(digest, secret, message)
      else
        raise "The user record has to be persisted."
      end
    end


  end
end