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41 lines
1.5 KiB
41 lines
1.5 KiB
7 months ago
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# Generated by Django 4.2.11 on 2024-04-12 14:03
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from django.db import migrations, models
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# V migracích nemáme Osoba.OSLOVENI_*, tak si to sem nakopíruji.
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OSLOVENI_MUZSKE = 'resitel'
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OSLOVENI_ZENSKE = 'resitelka'
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OSLOVENI_ZADNE = ''
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def pohlavi_to_osloveni(apps, schema_editor):
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Osoba = apps.get_model('seminar', 'Osoba')
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Osoba.objects.filter(pohlavi_muz=True).update(osloveni=OSLOVENI_MUZSKE)
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Osoba.objects.filter(pohlavi_muz=False).update(osloveni=OSLOVENI_ZENSKE)
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def osloveni_to_pohlavi(apps, schema_editor):
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Osoba = apps.get_model('seminar', 'Osoba')
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nebinarni = Osoba.objects.filter(osloveni=OSLOVENI_ZADNE)
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if nebinarni.count() > 0:
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raise Exception("Nelze odmigrovat: v databázi jsou nebinární osoby, které starý model nereprezentuje správně.")
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Osoba.objects.filter(osloveni=OSLOVENI_MUZSKE).update(pohlavi_muz=True)
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Osoba.objects.filter(osloveni=OSLOVENI_MUZSKE).update(pohlavi_muz=False)
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class Migration(migrations.Migration):
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dependencies = [
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('seminar', '0114_related_name_se_zmenilo_a_django_chce_migraci_tak_dostane_migraci'),
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]
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operations = [
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migrations.AddField(
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model_name='osoba',
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name='osloveni',
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field=models.CharField(blank=True, choices=[('resitel', 'Řešitel'), ('resitelka', 'Řešitelka')], max_length=32, verbose_name='Oslovení'),
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),
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migrations.RunPython(pohlavi_to_osloveni, osloveni_to_pohlavi),
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migrations.RemoveField(
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model_name='osoba',
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name='pohlavi_muz',
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),
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]
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