From 5d6f47b85258b3c63766266a1ad460b74acdc7cb Mon Sep 17 00:00:00 2001
From: "Edgar P. Burkhart" <git@edgarpierre.fr>
Date: Sun, 22 May 2022 11:14:05 +0200
Subject: [PATCH] Fix snapshot diff update issue

---
 nummi/main/models.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nummi/main/models.py b/nummi/main/models.py
index 83c924e..d2e761f 100644
--- a/nummi/main/models.py
+++ b/nummi/main/models.py
@@ -122,6 +122,13 @@ class Snapshot(models.Model):
             self.diff = self.value - self.previous.value
         super().save(*args, **kwargs)
 
+        try:
+            _next = self.__class__.objects.get(previous=self)
+        except self.__class__.DoesNotExist:
+            pass
+        else:
+            _next.save(only_super=True)
+
     def delete(self, *args, only_super=False, **kwargs):
         if not only_super:
             try: