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Users Online on Django

/ Published in: Django
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  1. ### models.py
  2. class UsersOnline(models.Model):
  3.     username    = models.CharField(max_length=100)
  4.     time        = models.DateTimeField()
  5.     url         = models.URLField()
  6.  
  7.     def __unicode__(self):
  8.         return self.username
  9.  
  10. def recountUsersOnline():
  11.     users = UsersOnline.objects.all()
  12.     date_now = datetime.now()
  13.     # Deleting expired users
  14.     for user in users:
  15.         dt = date_now - user.time
  16.         if (dt.seconds > 300):
  17.             # User expired
  18.             user.delete()
  19.  
  20. def addUserOnline(username, url):
  21.     try:
  22.         user = UsersOnline.objects.get(username=username)
  23.         user.time = datetime.now()
  24.     except:
  25.         user = UsersOnline(username=username, time=datetime.now(), url=url)
  26.     user.save()

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