40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
from django.db import migrations
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from django.utils.text import slugify
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def generate_slug(instance, **query_filters):
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base_slug = slugify(instance.label)
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slug = base_slug
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i = 1
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while True:
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queryset = instance._meta.model.objects.filter(slug=slug, **query_filters).exclude(pk=instance.pk)
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if not queryset.exists():
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break
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slug = '%s-%s' % (base_slug, i)
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i += 1
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return slug
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def set_slug_on_absence_reasons(apps, schema_editor):
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AbsenceReason = apps.get_model('agendas', 'AbsenceReason')
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for reason in AbsenceReason.objects.all().order_by('-pk'):
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if (
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reason.slug
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and not AbsenceReason.objects.filter(slug=reason.slug, group=reason.group)
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.exclude(pk=reason.pk)
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.exists()
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):
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continue
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reason.slug = generate_slug(reason, group=reason.group)
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reason.save(update_fields=['slug'])
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class Migration(migrations.Migration):
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dependencies = [
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('agendas', '0083_reason_slug'),
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]
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operations = [
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migrations.RunPython(set_slug_on_absence_reasons, migrations.RunPython.noop),
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]
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