gault-millau/apps/partner/migrations/0004_auto_20200128_1746.py
2020-01-28 20:58:54 +03:00

45 lines
2.1 KiB
Python

# Generated by Django 2.2.7 on 2020-01-28 17:46
from django.db import migrations, models
import django.db.models.deletion
import django.utils.timezone
def make_relations(apps, schemaeditor):
PartnerToEstablishment = apps.get_model('partner', 'PartnerToEstablishment')
Partner = apps.get_model('partner', 'Partner')
Establishment = apps.get_model('establishment', 'Establishment')
touched_partners_ids = []
for establishment in Establishment.objects.filter(partners__isnull=False):
for related_partner in establishment.partners.all():
real_partner = Partner.objects.filter(name=related_partner.name, type=related_partner.type,
url=related_partner.url).first()
touched_partners_ids.append(related_partner.pk)
PartnerToEstablishment(establishment=establishment, partner=real_partner, partner_bind_date=real_partner.created).save()
class Migration(migrations.Migration):
dependencies = [
('establishment', '0083_establishment_instagram'),
('partner', '0003_auto_20191121_1059'),
]
operations = [
migrations.CreateModel(
name='PartnerToEstablishment',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('partner_bind_date', models.DateTimeField(default=django.utils.timezone.now, editable=False, verbose_name='Date partner binded')),
('establishment', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='establishment.Establishment')),
('partner', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='partner.Partner')),
],
),
migrations.AddField(
model_name='partner',
name='establishments',
field=models.ManyToManyField(null=True, related_name='new_partners', through='partner.PartnerToEstablishment', to='establishment.Establishment', verbose_name='Establishments'),
),
migrations.RunPython(make_relations, migrations.RunPython.noop),
]