[英]How do I link a User with a django model as soon as the User is created?
我是 Django 的新手,我的問題是如何將 Django User
與我在用戶注冊后立即創建的Climber
model 鏈接? 到目前為止,我可以使用 Django 的內置用戶注冊表單注冊一個新User
。 但是當我 go 進入我的管理頁面時,我看到我必須手動創建一個新的Climber
和 select 我希望它鏈接到的User
。 先感謝您!
class Climber(models.Model):
user = models.OneToOneField(User, on_delete=models.CASCADE)
grades = [('v'+str(i),'v'+str(i))for i in range(0,13)]
highest_grade = models.CharField(max_length=3, choices=grades, default='v0')
team = models.ForeignKey(Team, null=True, on_delete=models.SET_NULL)
climbs_completed = models.ManyToManyField(Climb, blank=True)
def __str__(self):
return self.user.username
# for each climbs_completed, sum up the points
def total_score(self):
pass
你可以用信號做到這一點。
例子:
from django.contrib.auth import get_user_model
from django.db.models.signals import post_save
from django.dispatch import receiver
from myapp.models import Climber
User = get_user_model()
@receiver(post_save, sender=User)
def my_handler(sender, instance, created, **kwargs):
if created:
Climber.objects.create(user=instance, ...)
另一種方法是覆蓋User
模型的clean()
或save()
方法,考慮到您自己有一個自定義用戶 model。
你應該使用信號
在模型 Climber 中創建 function
@receiver(post_save, sender=User)
def link_climber(sender, instance, created, **kwargs):
""" If new user is created, create climber for him """
if created:
Climber.objects.create(user=instance)
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