# -*- coding: utf-8 -*-
from django.utils.functional import SimpleLazyObject


def _get_full_base_url(request):
    if not hasattr(request, '_cached_full_base_url'):
        scheme = u'https' if request.is_secure() else u'http'
        request._cached_full_base_url = u'%s://%s' % (scheme, request.get_host())
    return request._cached_full_base_url


class FullBaseUrlMiddleware(object):
    def process_request(self, request):
        request.full_base_url = SimpleLazyObject(lambda: _get_full_base_url(request))