[codestyle] shortly explain why we wrap .create()
in a transaction
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@ -48,6 +48,8 @@ class DetailView(generic.DetailView):
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@require_http_methods(["POST"])
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@require_http_methods(["POST"])
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def enter(request: HttpRequest) -> HttpResponse:
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def enter(request: HttpRequest) -> HttpResponse:
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try:
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try:
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# if .create() failed, the transaction is rolled back and we are in a
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# clean (database) state to handle exceptions
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with transaction.atomic():
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with transaction.atomic():
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teil = Teil.objects.create(name=request.POST["new_name"])
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teil = Teil.objects.create(name=request.POST["new_name"])
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except Exception:
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except Exception:
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