ExternalResource

external_resource.rb

module ExternalResource

  # TODO: handle: Timeout::Error (time's up!):

  # Requires a block with the HTTPClient.get call or what-have-you
  # see InvitationRequestsController for details  
  def self.load( name = "" )
    retries = 12
    total   = retries
    
    puts "Started ExternalResource load call to: #{name}"
    Rails.logger.info( "Started ExternalResource load call" )
    
    begin
      r = SystemTimer.timeout_after( 20 ) do
        yield
      end
      return r
    rescue Timeout::Error
      Rails.logger.info( "Hit elusive 'Time's up!' error" )
      puts "Hit elusive 'Time's up!' error"
      
      retries -= 1
      sleep 0.5 and retry
    rescue => e
      retries -= 1

      Rails.logger.info( "Working on retry ##{retries} of #{total}" )
      puts "Working on retry ##{retries} of #{total}"
      Rails.logger.info( e )
      puts e
      
      if retries > 0
        sleep 0.5 and retry
      else
        Rails.logger.error( "ERROR: Unable to receive or push external resource : #{e}" )
      end
    end
  end
  
end