import datetime
from django.db import models
from django.contrib.auth.models import User
from django.contrib.sessions.models import Session

class UserActivity(models.Model):
	user = models.ForeignKey(User,null=True,blank=True,db_index=True)
	session = models.ForeignKey(Session,db_index=True,null=True,blank=True)
	date = models.DateTimeField(help_text="Date Request started processing",auto_now_add=True,db_index=True)
	request_time = models.IntegerField(help_text="Time the request took to process (in microseconds)",null=True, blank=True)
	request_url = models.CharField(maxlength=800,db_index=True)
	referer_url = models.URLField(verify_exists=False,db_index=True,blank=True,null=True)
	client_address = models.IPAddressField(blank=True,null=True)
	client_host = models.CharField(maxlength=256,blank=True,null=True)
	browser_info = models.TextField(null=True,blank=True)
	error = models.TextField(null=True,blank=True)
	def set_request_time(self):
		from datetime import datetime
		self.request_time = (datetime.now()-self.date).microseconds
		self.save()
	def __str__(self):
		return '%s: %s %s - %s - %s' % (self.user,self.date,self.error,self.request_url,self.request_time)
	class Admin:
		pass