http.ruby

require 'net/http'
require 'time'

@response = Net::HTTP.get_response(URI('https://about.gitlab.com'))
puts "Response:"
puts @response.header.to_hash

def response
  @response = Net::HTTP.get_response(URI('https://about.gitlab.com'))
end

def can_request?
  last_response_date = @response.header.get_fields('date').to_s
  last_requested_time = Time.now - Time.parse(last_response_date)
  true if last_requested_time >= five_minutes
end

def five_minutes
  60 * 5
end

while true
  puts response.header.to_hash if can_request?
end