59 lines
2.0 KiB
Python
59 lines
2.0 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_agendas(apps, schema_editor):
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Agenda = apps.get_model('agendas', 'Agenda')
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for agenda in Agenda.objects.all().order_by('-pk'):
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if not Agenda.objects.filter(slug=agenda.slug).exclude(pk=agenda.pk).exists():
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continue
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agenda.slug = generate_slug(agenda)
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agenda.save(update_fields=['slug'])
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def set_slug_on_desks(apps, schema_editor):
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Desk = apps.get_model('agendas', 'Desk')
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for desk in Desk.objects.all().order_by('-pk'):
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if not Desk.objects.filter(slug=desk.slug, agenda=desk.agenda).exclude(pk=desk.pk).exists():
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continue
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desk.slug = generate_slug(desk, agenda=desk.agenda)
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desk.save(update_fields=['slug'])
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def set_slug_on_meetingtypes(apps, schema_editor):
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MeetingType = apps.get_model('agendas', 'MeetingType')
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for meetingtype in MeetingType.objects.all().order_by('-pk'):
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if (
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not MeetingType.objects.filter(slug=meetingtype.slug, agenda=meetingtype.agenda)
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.exclude(pk=meetingtype.pk)
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.exists()
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):
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continue
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meetingtype.slug = generate_slug(meetingtype, agenda=meetingtype.agenda)
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meetingtype.save(update_fields=['slug'])
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class Migration(migrations.Migration):
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dependencies = [
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('agendas', '0029_auto_20191106_1320'),
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]
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operations = [
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migrations.RunPython(set_slug_on_agendas, lambda x, y: None),
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migrations.RunPython(set_slug_on_desks, lambda x, y: None),
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migrations.RunPython(set_slug_on_meetingtypes, lambda x, y: None),
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]
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