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5895253803
when you count, it's usually because there are many, so this extra complication is probaly going to be required
27 lines
722 B
Python
27 lines
722 B
Python
from django.apps import apps
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from django.utils import timezone
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from snappea.decorators import shared_task
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from bugsink.transaction import durable_atomic, immediate_atomic
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from .models import CachedModelCount
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@shared_task
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def count_model(app_label, model_name):
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ModelClass = apps.get_model(app_label, model_name)
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# separate transaction for the expensive counting
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with durable_atomic():
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count = ModelClass.objects.count()
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with immediate_atomic():
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CachedModelCount.objects.update_or_create(
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app_label=app_label,
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model_name=model_name,
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defaults={
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'count': count,
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'last_updated': timezone.now(),
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},
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)
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