fix(translations): Disable updates to an existing translation

src/dgsi/models.py

@@ -69,6 +69,14 @@ class Bylaws(LegalDocument):
         verbose_name_plural = _("Règlements Intérieurs")
 
 
+# class TermsAndConditions(LegalDocument):
+#     """
+#     Terms and Conditions of use regarding a service offered by the association.
+#     """
+#
+#     service = models.ForeignKey(Service, on_delete=models.CASCADE)
+
+
 class Translation(models.Model):
     cas_login = models.CharField(max_length=255, unique=True)
     username = models.CharField(max_length=255, unique=True)
@@ -76,6 +84,12 @@ class Translation(models.Model):
     def __str__(self) -> str:
         return f"{self.cas_login} → {self.username}"
 
+    def save(self, **kwargs) -> None:  # pyright: ignore
+        # INFO: Only update the model if it does not already exist
+        #       This will prevent a lot of pain
+        if self.pk is None:
+            return super().save(**kwargs)
+
     class Meta:  # pyright: ignore
         verbose_name = _("Correspondance de login")
         verbose_name_plural = _("Correspondances de login")