Files
linkding/bookmarks/migrations/0044_bookmark_latest_snapshot.py
2026-01-04 12:13:48 +01:00

46 lines
1.3 KiB
Python

# Generated by Django 5.1.7 on 2025-03-22 12:28
import django.db.models.deletion
from django.db import migrations, models
from django.db.models import OuterRef, Subquery
def forwards(apps, schema_editor):
# Update the latest snapshot for each bookmark
Bookmark = apps.get_model("bookmarks", "bookmark")
BookmarkAsset = apps.get_model("bookmarks", "bookmarkasset")
latest_snapshots = (
BookmarkAsset.objects.filter(
bookmark=OuterRef("pk"), asset_type="snapshot", status="complete"
)
.order_by("-date_created")
.values("id")[:1]
)
Bookmark.objects.update(latest_snapshot_id=Subquery(latest_snapshots))
def reverse(apps, schema_editor):
pass
class Migration(migrations.Migration):
dependencies = [
("bookmarks", "0043_userprofile_collapse_side_panel"),
]
operations = [
migrations.AddField(
model_name="bookmark",
name="latest_snapshot",
field=models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.SET_NULL,
related_name="latest_snapshot",
to="bookmarks.bookmarkasset",
),
),
migrations.RunPython(forwards, reverse),
]