text: # -*- coding: utf-8 -*-
  
  import json
  import requests
  import datetime
  
  url = "https://hooks.slack.com/services/"
  USERNAME = "yurei"
  CHANNEL = "#room"
  
  def create_timespan_string(timespan):
      return "%d日%d時間%d分" % (timespan.days, timespan.seconds / (60 * 60), timespan.seconds % (60 * 60) / 60)
  
  def notify_active(username, timespan):
      item = {"text": "%sさんが入室しました。(前回の退室から %s ぶり)" % (username.encode("utf-8"), create_timespan_string(timespan)), "username": USERNAME, "icon_emoji": ":ghost:", "channel": CHANNEL }
      try:
          r = requests.post(url, data = json.dumps(item))
      except Exception as e:
          pass
  
  def notify_deactive(username, timespan):
      item = {"text": "%sさんが退室しました。(今回の滞在時間: %s)" % (username.encode("utf-8"), create_timespan_string(timespan)), "username": USERNAME, "icon_emoji": ":ghost:", "channel": CHANNEL }
      try:
          r = requests.post(url, data = json.dumps(item))
      except Exception as e:
          pass
  
  