utility module for backtrace

backtracable.rb

module Backtracable

  def self.included(klass)
    klass.class_eval do
      include InstanceMethods
    end
  end
  
  module InstanceMethods
    def backtrace(e: nil, logger: Rails.logger, method: :warn)
      e.nil? ? backtrace_info(logger, method) : backtrace_via_exception(e, logger, method)
    end

    def backtrace_via_exception(e, logger, method)
      logger.send(method, e.to_s)
      logger.send(method, e.backtrace.join("\n"))
    end

    def backtrace_info(logger, method)
      logger.send(method, caller.join("\n"))
    end
  end

end