Renamed my_pre_save to do_before_save

Also: fixed self.user not being set anymore

backend/backend_app/models/abstract/my_model/myModelSerializer.py

@@ -89,6 +89,12 @@ class MyModelSerializer(MySerializerWithJSON):
     class Meta:
         model = MyModel
 
+    def get_user_from_request(self):
+        """
+        Function to retrieve the user from the request
+        """
+        return self.context["request"].user
+
     def validate(self, attrs):
         """
         Validate `MyModel` fields and enforce certain field at the backend level.
@@ -100,8 +106,7 @@ class MyModelSerializer(MySerializerWithJSON):
             requested_obj_moder_lv = attrs["obj_moderation_level"]
 
             try:
-                user = self.context["request"].user
-                user_level = get_user_level(user)
+                user_level = get_user_level(self.get_user_from_request())
             except KeyError:
                 # if for some reason we don't have the user in the request
                 # we set the level to the default one
@@ -139,11 +144,10 @@ class MyModelSerializer(MySerializerWithJSON):
         for key in new_data:
             self.validated_data[key] = new_data[key]
 
-    def my_pre_save(self):
+    def do_before_save(self):
         """
-        TODO, Analyse if usefull
+        Action to perform before saving a model
         """
-
         pass
 
     def save(self, *args, **kwargs):
@@ -157,7 +161,7 @@ class MyModelSerializer(MySerializerWithJSON):
         user_level = get_user_level(user)
 
         self.clean_validated_data()
-        self.my_pre_save()
+        self.do_before_save()
         ct = ContentType.objects.get_for_model(self.Meta.model)
 
         if is_moderation_required(

backend/backend_app/models/user/userData.py

@@ -36,11 +36,18 @@ class UserDataSerializer(MyModelSerializer):
     def get_owner_can_post_to(self, obj):
         return list_user_post_permission(obj.owner)
 
-    def my_pre_save(self):
-        self.override_validated_data({"owner": self.user})
+    def do_before_save(self):
+        """
+        For safety: enforce (for sure) that we update the model corresponding to the user/owner.
+        """
+        super().do_before_save()
+
+        user = self.get_user_from_request()
+
+        self.override_validated_data({"owner": user})
 
         # we try to recover the correct instance
-        query = UserData.objects.filter(owner=self.user)
+        query = UserData.objects.filter(owner=user)
         if len(query) == 1:
             self.instance = query[0]