Pavel "LEdoian" Turinsky
7 months ago
9 changed files with 79 additions and 21 deletions
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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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