module ActiveRecord::SessionStore::Extension::LoggerSilencer

def add_with_threadsafety(severity, message = nil, progname = nil, &block)
  if (defined?(@logdev) && @logdev.nil?) || (severity || UNKNOWN) < level
    true
  else
    add_without_threadsafety(severity, message, progname, &block)
  end
end

def level_with_threadsafety
  thread_level || level_without_threadsafety
end

def silence_logger(temporary_level = Logger::ERROR)
  if silencer
    begin
      self.thread_level = temporary_level
      yield self
    ensure
      self.thread_level = nil
    end
  else
    yield self
  end
end

def thread_hash_level_key
  @thread_hash_level_key ||= :"ThreadSafeLogger##{object_id}@level"
end

def thread_level
  Thread.current[thread_hash_level_key]
end

def thread_level=(level)
  Thread.current[thread_hash_level_key] = level
end