def add_elements(self, elements: Iterable[AutoupdateElement]):
"""
Method to add elements to the history. This does not trigger autoupdate.
"""
with transaction.atomic():
instances = []
history_time = now()
for element in elements:
if element.get("disable_history"):
# Do not update history if history is disabled.
continue
# HistoryData is not a root rest element so there is no autoupdate and not history saving here.
data = HistoryData.objects.create(
full_data=element.get("full_data"))
instance = self.model(
element_id=get_element_id(element["collection_string"],
element["id"]),
now=history_time,
information=element.get("information", []),
user_id=element.get("user_id"),
full_data=data,
)
instance.save()
instances.append(instance)
return instances
async def set_config(key, value):
"""
Set a config variable in the element_cache without hitting the database.
"""
collection_string = config.get_collection_string()
config_id = config.key_to_id[key] # type: ignore
full_data = {'id': config_id, 'key': key, 'value': value}
await element_cache.change_elements(
{get_element_id(collection_string, config_id): full_data})
await sync_to_async(inform_data_collection_element_list)([
CollectionElement.from_values(collection_string,
config_id,
full_data=full_data)
])
def _add_elements_other_dbs(self, elements, history_time):
history_entries = []
for element in elements:
# HistoryData is not a root rest element so there is no autoupdate and not history saving here.
data = HistoryData.objects.create(full_data=element.get("full_data"))
instance = self.model(
element_id=get_element_id(element["collection_string"], element["id"]),
now=history_time,
information=element.get("information", []),
user_id=element.get("user_id"),
full_data=data,
)
instance.save()
history_entries.append(instance)
return history_entries
def _add_elements_postgres(self, elements, history_time):
"""
Postgres supports returning ids from bulk requests, so after doing `bulk_create`
every HistoryData has an id. This can be used to bulk_create History-Models in a
second step.
"""
history_data = [
HistoryData(full_data=element.get("full_data")) for element in elements
]
HistoryData.objects.bulk_create(history_data)
history_entries = [
self.model(
element_id=get_element_id(element["collection_string"], element["id"]),
now=history_time,
information=element.get("information", []),
user_id=element.get("user_id"),
full_data_id=hd.id,
)
for element, hd in zip(elements, history_data)
]
self.bulk_create(history_entries)
return history_entries