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53 lines
1.7 KiB
53 lines
1.7 KiB
# Generated by Django 4.1.10 on 2023-11-03 08:59
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from django.db import migrations
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def migrate_assets_labels(apps, schema_editor):
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old_label_model = apps.get_model('assets', 'Label')
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new_label_model = apps.get_model('labels', 'Label')
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asset_model = apps.get_model('assets', 'Asset')
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labeled_item_model = apps.get_model('labels', 'LabeledResource')
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old_labels = old_label_model.objects.all()
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new_labels = []
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old_new_label_map = {}
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for label in old_labels:
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new_label = new_label_model(name=label.name, value=label.value, org_id=label.org_id)
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old_new_label_map[label.id] = new_label
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new_labels.append(new_label)
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new_label_model.objects.bulk_create(new_labels, ignore_conflicts=True)
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label_relations = asset_model.labels.through.objects.all()
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bulk_size = 1000
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count = 0
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content_type = apps.get_model('contenttypes', 'contenttype').objects.get_for_model(asset_model)
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while True:
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relations = label_relations[count:count + bulk_size]
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if not relations:
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break
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count += bulk_size
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tagged_items = []
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for relation in relations:
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new_label = old_new_label_map[relation.label_id]
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tagged_item = labeled_item_model(
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label_id=new_label.id, res_type=content_type,
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res_id=relation.asset_id, org_id=new_label.org_id
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)
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tagged_items.append(tagged_item)
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labeled_item_model.objects.bulk_create(tagged_items, ignore_conflicts=True)
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class Migration(migrations.Migration):
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dependencies = [
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('labels', '0001_initial'),
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('assets', '0125_auto_20231011_1053')
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]
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operations = [
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migrations.RunPython(migrate_assets_labels),
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]
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