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Mise à 0 du solde quand pas de vente

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Hugo LEVY-FALK 2019-02-05 19:43:17 +01:00
parent ef664804de
commit e11ad583cb
1 changed files with 1 additions and 1 deletions
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comet/account/models.py
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@ -19,7 +19,7 @@ class Account(models.Model):
"""Adjust the ballance according to the sales,
without saving the model."""
self.balance = Sale.objects.filter(account=self)\
.aggregate(models.Sum('price'))['price__sum']
.aggregate(models.Sum('price'))['price__sum'] or 0
class Sale(models.Model):