def init_from_registered_applications(self, request):
created_items = []
for backend in CostTrackingRegister.get_registered_backends():
try:
items = backend.get_default_price_list_items()
except NotImplementedError:
continue
for item in items:
if not models.DefaultPriceListItem.objects.filter(resource_content_type=item.resource_content_type,
item_type=item.item_type, key=item.key).exists():
if not item.name:
item.name = '{}: {}'.format(item.item_type, item.key)
item.save()
created_items.append(item)
if created_items:
message = ungettext(
'Price item was created: {}'.format(created_items[0].name),
'Price items were created: {}'.format(', '.join(item.name for item in created_items)),
len(created_items)
)
self.message_user(request, message)
else:
self.message_user(request, "Price items exist for all registered applications")
return redirect(reverse('admin:cost_tracking_defaultpricelistitem_changelist'))
def init_from_registered_applications(self, request):
created_items = []
for backend in CostTrackingRegister.get_registered_backends():
try:
items = backend.get_default_price_list_items()
except NotImplementedError:
continue
with transaction.atomic():
for item in items:
item, created = models.DefaultPriceListItem.objects.update_or_create(
resource_content_type=item.resource_content_type,
item_type=item.item_type,
key=item.key,
defaults={
'value': item.value,
'name': '{}: {}'.format(item.item_type, item.key),
'metadata': item.metadata,
'units': item.units
})
if created:
created_items.append(item)
if created_items:
message = ungettext(
'Price item was created: {}'.format(created_items[0].name),
'Price items were created: {}'.format(', '.join(
item.name for item in created_items)), len(created_items))
self.message_user(request, message)
else:
self.message_user(
request,
"Price items for all registered applications have been updated"
)
return redirect(
reverse('admin:cost_tracking_defaultpricelistitem_changelist'))