61 lines
2.4 KiB
Python
61 lines
2.4 KiB
Python
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# (Partially) Generated by Django 4.0.2 on 2022-02-04 18:01
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from django.db import migrations, models
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import django.db.models.deletion
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def migrate_certification_version_forward(apps, schema_editor):
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db_alias = schema_editor.connection.alias
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Certification = apps.get_model("paperwork", "Certification")
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CertificationVersion = apps.get_model("paperwork", "CertificationVersion")
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for certification in Certification.objects.using(db_alias).all():
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(version, _) = CertificationVersion.objects.using(db_alias).get_or_create(
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definition=certification.certification, version=certification.version
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)
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certification.certification_version = version
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certification.save()
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class Migration(migrations.Migration):
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dependencies = [
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('membershipworks', '0001_initial'),
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('paperwork', '0001_initial'),
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]
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operations = [
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migrations.CreateModel(
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name='CertificationVersion',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('version', models.CharField(blank=True, db_column='Version', max_length=255, null=True)),
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('definition', models.ForeignKey(db_column='Certification', on_delete=django.db.models.deletion.PROTECT, to='paperwork.certificationdefinition')),
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],
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),
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migrations.AddConstraint(
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model_name='certificationversion',
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constraint=models.UniqueConstraint(fields=('definition', 'version'), name='unique_certification_version'),
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),
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migrations.AddField(
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model_name='certification',
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name='certification_version',
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field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='paperwork.certificationversion', null=True),
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),
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migrations.RunPython(migrate_certification_version_forward),
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migrations.AlterField(
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model_name='certification',
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name='certification_version',
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field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='paperwork.certificationversion'),
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),
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migrations.RemoveField(
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model_name='certification',
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name='certification',
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),
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migrations.RemoveField(
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model_name='certification',
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name='version',
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),
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]
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