Method: HTTPX::Plugins::ResponseCache::FileStore#set

Defined in:
lib/httpx/plugins/response_cache/file_store.rb

#set(request, response) ⇒ Object 



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# File 'lib/httpx/plugins/response_cache/file_store.rb', line 39

def set(request, response)
  path = file_path(request)

  file_exists = File.exist?(path)

  mode = file_exists ? File::RDWR : File::CREAT | File::Constants::WRONLY

  File.open(path, mode: mode | File::BINARY) do |f|
    f.flock(File::Constants::LOCK_EX)

    if file_exists
      cached_response = read_from_file(request, f)

      if cached_response
        next if cached_response == request.cached_response

        cached_response.close

        f.truncate(0)

        f.rewind
      end
    end
    # cache the request headers
    f << request.verb << CRLF
    f << request.uri << CRLF

    request.headers.each do |field, value|
      f << field << ":" << value << CRLF
    end

    f << CRLF

    # cache the response
    f << response.status << CRLF
    f << response.version << CRLF

    response.headers.each do |field, value|
      f << field << ":" << value << CRLF
    end

    f << CRLF

    response.body.rewind

    IO.copy_stream(response.body, f)
  end
end