def save(self, invoice):
with transaction():
self.invoice_issueing_signal.send(invoice)
save_model(invoice)
self.invoice_issued_signal.send(invoice)
if invoice.email and self.options["send_email"]:
self.send_email(invoice.email, invoice)
def update_model_vat_rates(self):
with transaction():
query = current_app.features.models.query(self.model)
for country_code in EU_COUNTRIES:
rate = self.service.get_vat_rate(country_code)
for obj in query.filter(eu_vat_country=country_code, eu_vat_rate__ne=rate).all():
obj.eu_vat_rate = rate
self.model_rate_updated_signal.send(obj)
save_model(obj)
self.rates_updated_signal.send(self)