class Geminabox::Proxy::Copier

def self.copy(file_name)
  copier = new(file_name)
  copier.get_file
  copier
end

def copy_local
  FileUtils.cp local_path, proxy_path
end

def get_file
  return true if proxy_file_exists?
  return copy_local if local_file_exists?
  get_remote
end

def get_remote
  begin
    if rc = remote_content
      File.open(proxy_path, 'w'){|f| f.write(rc) }
    end
  rescue
    File.unlink(proxy_path) if File.exists?(proxy_path)
    raise $!
  end
end