backup before mayor changes

nonpacks/announcements/models.py

@@ -1,5 +1,6 @@
 from django.conf import settings
 from django.db import models
+from django.utils import timezone
 
 from library.models import Project
 
@@ -63,12 +64,21 @@ class AnnouncementComment(models.Model):
         related_name='announcement_comments',
     )
     body = models.TextField()
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
+    created_at = models.DateTimeField(default=timezone.now)
+    updated_at = models.DateTimeField(default=timezone.now)
 
     class Meta:
         ordering = ['created_at', 'pk']
 
+    def save(self, *args, **kwargs):
+        if self._state.adding:
+            now = timezone.now()
+            self.created_at = now
+            self.updated_at = now
+        else:
+            self.updated_at = timezone.now()
+        super().save(*args, **kwargs)
+
     def __str__(self):
         return f'{self.user.username}: {self.body[:40]}'