HackSoftware/Django-Styleguide
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Add transaction.atomic to an example

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martin056 2021-11-24 13:42:19 +02:00 committed by Radoslav Georgiev
parent 2720e607c6
commit 8a6e4e9635
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1 changed files with 10 additions and 2 deletions
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@ -799,12 +799,14 @@ When creating the required state for a given test, one can use a combination of:
```python ```python
from django.contrib.auth.models import User from django.contrib.auth.models import User
from django.core.exceptions import ValidationError from django.core.exceptions import ValidationError
from django.db import transaction
from project.payments.selectors import items_get_for_user from project.payments.selectors import items_get_for_user
from project.payments.models import Item, Payment from project.payments.models import Item, Payment
from project.payments.tasks import payment_charge from project.payments.tasks import payment_charge
@transaction.atomic
def item_buy( def item_buy(
*, *,
item: Item, item: Item,
@ -813,13 +815,19 @@ def item_buy(
if item in items_get_for_user(user=user): if item in items_get_for_user(user=user):
raise ValidationError(f'Item {item} already in {user} items.') raise ValidationError(f'Item {item} already in {user} items.')
payment = Payment.objects.create( payment = Payment(
item=item, item=item,
user=user, user=user,
successful=False successful=False
) )
payment.full_clean()
payment.save()
payment_charge.delay(payment_id=payment.id) # NOTE: We have to make sure that the objects is created
# in the DB in order to use in the Celery task
transaction.on_commit(
lambda: payment_charge.delay(payment_id=payment.id)
)
return payment return payment
``` ```