From 8cfd1841969c9282b88d5cc51495527ac566caa8 Mon Sep 17 00:00:00 2001
From: Ostap Zherebetskyi <ozherebetskyi@exoft.net>
Date: Mon, 6 Jan 2025 13:13:02 +0200
Subject: [PATCH] Update _id deletion comments to clarify cache update trigger

---
 osf/models/preprint.py                                    | 6 +++---
 osf_tests/management_commands/test_check_crossref_dois.py | 2 +-
 osf_tests/test_guid.py                                    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/osf/models/preprint.py b/osf/models/preprint.py
index bc75a8b9c1d..6dcf699acc3 100644
--- a/osf/models/preprint.py
+++ b/osf/models/preprint.py
@@ -313,7 +313,7 @@ def create(cls, provider, title, creator, description):
         )
         versioned_guid.save()
 
-        del preprint._id
+        del preprint._id  # trigger _id cache update
 
         return preprint
 
@@ -426,7 +426,7 @@ def create_version(cls, create_from_guid, auth):
         )
         guid_version.save()
 
-        del preprint._id
+        del preprint._id  # trigger _id cache update
 
         # Add contributors
         for contributor_info in latest_version.contributor_set.exclude(user=latest_version.creator).values('visible', 'user_id', '_order'):
@@ -442,7 +442,7 @@ def create_version(cls, create_from_guid, auth):
             guid_obj.object_id = preprint.pk
             guid_obj.content_type = ContentType.objects.get_for_model(preprint)
             guid_obj.save()
-            del preprint._id
+            del preprint._id  # trigger _id cache update
 
         return preprint, data_to_update
 
diff --git a/osf_tests/management_commands/test_check_crossref_dois.py b/osf_tests/management_commands/test_check_crossref_dois.py
index aca48cc6cbd..05cc3dfdbf5 100644
--- a/osf_tests/management_commands/test_check_crossref_dois.py
+++ b/osf_tests/management_commands/test_check_crossref_dois.py
@@ -32,7 +32,7 @@ def stuck_preprint(self):
         guid._id = 'guid0'
         guid.save()
 
-        del preprint._id
+        del preprint._id  # trigger _id cache update
         preprint.save()
         return preprint
 
diff --git a/osf_tests/test_guid.py b/osf_tests/test_guid.py
index 952990d7b0b..66eb21ec7be 100644
--- a/osf_tests/test_guid.py
+++ b/osf_tests/test_guid.py
@@ -565,6 +565,6 @@ def test_versioned_preprint_id_property(self, creator, preprint_provider):
         assert preprint._id == expected_guid
 
         GuidVersionsThrough.objects.filter(guid=preprint_guid).delete()
-        del preprint._id
+        del preprint._id  # trigger _id cache update
 
         assert preprint._id is None