if eid =='' or phone == '':
    return JsonResponse({'status':10021,'message':'parameter error'})

try:
    result = Event.objects.get(id=eid)
except Event.DoesNotExist:
    return JsonResponse({'status': 10022, 'message': 'event id null'})

if result.status is False:
    return JsonResponse({'status': 10023, 'message': 'event status is not available'})

event_time = result.start_time     # 发布会时间
timeArray = time.strptime(str(event_time), "%Y-%m-%d %H:%M:%S")
e_time = int(time.mktime(timeArray))

n_time = int(time.time())   # 当前时间

if n_time >= e_time:
    return JsonResponse({'status':10024,'message':'event has started'})

result = Guest.objects.filter(phone=phone)
if not result:
    return JsonResponse({'status':10025,'message':'user phone null'})
else:
    for res in result:
        if res.event_id == int(eid):
            break
    else:
        return JsonResponse({'status': 10026, 'message': 'user did not participate in the conference'})

result = Guest.objects.get(event_id=eid, phone=phone)
print(result.sign)
if result.sign is True:
    return JsonResponse({'status':10027,'message':'user has sign in'})
else:
    result.sign = True
    result.save()
    return JsonResponse({'status':200,'message':'sign success'})