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# Generated by Django 2.2.7 on 2019-12-06 08:07
import assets.models.asset
from django.db import migrations, models
import django.db.models.deletion
def migrate_platform_to_asset_type(apps, schema_editor):
asset_model = apps.get_model("assets", "Asset")
platform_model = apps.get_model("assets", "Platform")
db_alias = schema_editor.connection.alias
platforms = platform_model.objects.using(db_alias).all()
platforms_map = {p.name: p for p in platforms}
for name, p in platforms_map.items():
asset_model.objects.using(db_alias)\
.filter(_platform=name)\
.update(platform=p)
class Migration(migrations.Migration):
dependencies = [
('assets', '0044_platform'),
]
operations = [
migrations.RenameField(
model_name='asset',
old_name='platform',
new_name='_platform',
),
migrations.AddField(
model_name='asset',
name='platform',
field=models.ForeignKey(
default='',
on_delete=django.db.models.deletion.PROTECT,
related_name='assets', to='assets.Platform',
verbose_name='Platform'),
),
migrations.RunPython(migrate_platform_to_asset_type),
migrations.RemoveField(
model_name='asset',
name='_platform',
),
]