def check_free_table(request):
    from django.db.models import Count
    from django.db.models import Q

    if request.is_ajax and request.method == 'GET':
        date = request.GET.get('date')
        print(date)
        tab = Order.objects.filter(date=date)
        print(tab)
        ser_instance = serializers.serialize('json', tab)
        return JsonResponse({'tables': ser_instance}, status=200, safe=False)
    else:
        return JsonResponse({'errors': ""}, status=400)