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memoize_until_3.rb

class Middleware::CustomLogging
  def initialize(app)
    @app = app
  end

  def call(env)
    if debug_logging?
      Rails.logger.level = Logger::DEBUG
    end

    @status, @headers, @response = @app.call(env)

  ensure
    Rails.logger.level = Logger::INFO if Rails.logger.debug?
  end

  private
  def debug_logging?
    MemoizeUntil.hour(:debug_logging) {
      $redis.get(“DEBUG_LOGGING”)
    }
  end
end