feat(organization): backfill Asset search field for owner label TASK-…

…1334 (#5391)

### 📣 Summary
Populated the asset search field to include the owner username and
organization name for improved search functionality.


### 📖 Description
The asset search field has been updated to include tthe owner username
and organization name, ensuring better usability when searching for
asset owner labels. This backfill operation populates the field for
existing assets where the owner label was previously missing.

kobo/apps/long_running_migrations/jobs/0004_back_fill_asset_search_field_for_owner_label.py

@@ -0,0 +1,42 @@
+# Generated on 2024-12-19 15:34
+from django.db.models import Prefetch
+from more_itertools import chunked
+
+from kobo.apps.organizations.models import Organization
+from kpi.models.asset import Asset
+
+
+def run():
+    """
+    Transfers all assets owned by members to their respective organizations.
+    """
+    CHUNK_SIZE = 2000
+
+    assets = (
+        Asset.objects.only('search_field', 'name', 'uid', 'owner')
+        .exclude(search_field__has_keys='owner_username')
+        .select_related('owner')
+        .prefetch_related(
+            Prefetch(
+                'owner__organizations_organization',
+                queryset=Organization.objects.all().order_by(
+                    '-organization_users__created'
+                ),
+                to_attr='organizations',
+            )
+        )
+    ).iterator(CHUNK_SIZE)
+
+    for asset_batch in chunked(assets, CHUNK_SIZE):
+        for asset in asset_batch:
+            try:
+                organization_name = asset.owner.organizations[0].name
+            except IndexError:
+                organization_name = f'{asset.owner.username}’s organization'
+
+            asset.update_search_field(
+                owner_username=asset.owner.username,
+                organization_name=organization_name,
+            )
+
+        Asset.objects.bulk_update(asset_batch, fields=['search_field'])

kobo/apps/long_running_migrations/migrations/0004_back_fill_asset_search_field_for_owner_label.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.2.15 on 2024-12-19 14:54
+
+from django.db import migrations
+
+
+def add_long_running_migration(apps, schema_editor):
+    LongRunningMigration = apps.get_model('long_running_migrations', 'LongRunningMigration')  # noqa
+    LongRunningMigration.objects.create(
+        name='0004_back_fill_asset_search_field_for_owner_label'
+    )
+
+
+def noop(*args, **kwargs):
+    pass
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('long_running_migrations', '0003_transfer_members_data_ownership_to_org'),
+    ]
+
+    operations = [
+        migrations.RunPython(add_long_running_migration, noop),
+    ]