forked from ungleich-public/dynamicweb
39 lines
1 KiB
Python
39 lines
1 KiB
Python
import uuid
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from django.db import models
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class UrlconfRevision(models.Model):
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revision = models.CharField(max_length=255)
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class Meta:
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app_label = 'cms'
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def save(self, *args, **kwargs):
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"""
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Simply forces this model to be a singleton.
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"""
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self.pk = 1
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super().save(*args, **kwargs)
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@classmethod
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def get_or_create_revision(cls, revision=None):
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"""
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Convenience method for getting or creating revision.
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"""
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if revision is None:
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revision = str(uuid.uuid4())
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obj, created = cls.objects.get_or_create(
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pk=1, defaults=dict(revision=revision))
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return obj.revision, created
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@classmethod
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def update_revision(cls, revision):
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"""
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Convenience method for updating the revision.
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"""
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obj, created = cls.objects.get_or_create(
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pk=1, defaults=dict(revision=revision))
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if not created:
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obj.revision = revision
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obj.save()
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