在Django的admin -Django上记录活动

from django.db import models
from django.contrib.auth.models import User

class AdminActivityLog(models.Model):
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    action = models.CharField(max_length=255)
    timestamp = models.DateTimeField(auto_now_add=True)
    details = models.TextField(blank=True, null=True)

    def __str__(self):
        return f"{self.user} - {self.action} - {self.timestamp}"

from django.contrib import admin
from django.contrib.admin.signals import pre_save, post_save, pre_delete
from django.dispatch import receiver
from .models import YourModel, AdminActivityLog

@receiver(pre_save, sender=YourModel)
def log_pre_save(sender, instance, **kwargs):
    log = AdminActivityLog(
        user=admin.site.user,
        action=f"Pre-save {instance}",
        details=str(instance.__dict__)
    )
    log.save()

@receiver(post_save, sender=YourModel)
def log_post_save(sender, instance, created, **kwargs):
    action = "Created" if created else "Updated"
    log = AdminActivityLog(
        user=admin.site.user,
        action=f"{action} {instance}",
        details=str(instance.__dict__)
    )
    log.save()

@receiver(pre_delete, sender=YourModel)
def log_pre_delete(sender, instance, **kwargs):
    log = AdminActivityLog(
        user=admin.site.user,
        action=f"Pre-delete {instance}",
        details=str(instance.__dict__)
    )
    log.save()