46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# Generated by Django 2.2.7 on 2020-01-28 17:54
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from django.db import migrations, models
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import django.db.models.deletion
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def delete_unused_partners(apps, schema_editor):
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PartnerToEstablishment = apps.get_model('partner', 'PartnerToEstablishment')
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Partner = apps.get_model('partner', 'Partner')
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ids_to_preserve = []
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for p_t_e in PartnerToEstablishment.objects.all():
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ids_to_preserve.append(p_t_e.partner.pk)
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Partner.objects.exclude(id__in=ids_to_preserve).delete()
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class Migration(migrations.Migration):
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dependencies = [
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('location', '0037_address_district_name'),
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('establishment', '0083_establishment_instagram'),
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('partner', '0004_auto_20200128_1746'),
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]
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operations = [
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migrations.RemoveField(
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model_name='partner',
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name='establishments',
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),
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migrations.AddField(
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model_name='partner',
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name='country',
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field=models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.SET_NULL,
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to='location.Country'),
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),
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migrations.RemoveField(
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model_name='partner',
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name='establishment',
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),
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migrations.AddField(
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model_name='partner',
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name='establishment',
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field=models.ManyToManyField(related_name='partners', through='partner.PartnerToEstablishment',
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to='establishment.Establishment', verbose_name='Establishments'),
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),
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migrations.RunPython(delete_unused_partners, migrations.RunPython.noop, atomic=True)
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]
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