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6bba4f35c8
* Prefer local snapshot over web archive link * Update latest snapshot when it is deleted * fix filter in migration * improve migration performance
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# Generated by Django 5.1.7 on 2025-03-22 12:28
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import django.db.models.deletion
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from django.db import migrations, models
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from django.db.models import OuterRef, Subquery
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def forwards(apps, schema_editor):
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# Update the latest snapshot for each bookmark
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Bookmark = apps.get_model("bookmarks", "bookmark")
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BookmarkAsset = apps.get_model("bookmarks", "bookmarkasset")
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latest_snapshots = (
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BookmarkAsset.objects.filter(
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bookmark=OuterRef("pk"), asset_type="snapshot", status="complete"
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)
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.order_by("-date_created")
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.values("id")[:1]
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)
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Bookmark.objects.update(latest_snapshot_id=Subquery(latest_snapshots))
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def reverse(apps, schema_editor):
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pass
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class Migration(migrations.Migration):
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dependencies = [
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("bookmarks", "0043_userprofile_collapse_side_panel"),
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]
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operations = [
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migrations.AddField(
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model_name="bookmark",
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name="latest_snapshot",
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.SET_NULL,
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related_name="latest_snapshot",
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to="bookmarks.bookmarkasset",
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),
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),
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migrations.RunPython(forwards, reverse),
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]
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