poli_planning/polyclinic_scheduling/apps/RUG_template/middleware.py

38 lines
1.6 KiB
Python

import pytz
import requests
from ipware import get_client_ip
from django.utils import timezone
# make sure you add `TimezoneMiddleware` appropriately in settings.py: 'apps.RUG_template.middleware.TimezoneMiddleware'
class TimezoneMiddleware:
""" Middleware to check user timezone. """
def __init__(self, get_response):
self.get_response = get_response
# One-time configuration and initialization.
def __call__(self, request):
# Code to be executed for each request before
# the view (and later middleware) are called.
client_ip, is_routable = get_client_ip(request)
user_time_zone = request.session.get('user_time_zone', None)
try:
if user_time_zone is None and is_routable and client_ip is not None:
# Here we use an online service to get visitor info. Maybe not the nicest way to do it, but it is a way
# Also we only check when we get a public IP address. Local networks will not be checked online
# https://freegeoip.app
freegeoip_response = requests.get('https://freegeoip.app/json/{0}'.format(client_ip))
freegeoip_response_json = freegeoip_response.json()
user_time_zone = freegeoip_response_json['time_zone']
if user_time_zone:
request.session['user_time_zone'] = user_time_zone
timezone.activate(pytz.timezone(user_time_zone))
except:
pass
response = self.get_response(request)
# Code to be executed for each request/response after
# the view is called.
return response