def save_submission(xform, xml, media_files, new_uuid, submitted_by, status,
date_created_override):
if not date_created_override:
date_created_override = get_submission_date_from_xml(xml)
# We have to save the `Instance` to the database before we can associate
# any `Attachment`s with it, but we are inside a transaction and saving
# attachments is slow! Usually creating an `Instance` updates the
# submission count of the parent `XForm` automatically via a `post_save`
# signal, but that takes a lock on `logger_xform` that persists until the
# end of the transaction. We must avoid doing that until all attachments
# are saved, and we are as close as possible to the end of the transaction.
# See https://github.com/kobotoolbox/kobocat/issues/490.
#
# `_get_instance(..., defer_counting=True)` skips incrementing the
# submission counters and returns an `Instance` with a `defer_counting`
# attribute set to `True` *if* a new instance was created. We are
# responsible for calling `update_xform_submission_count()` if the returned
# `Instance` has `defer_counting = True`.
instance = _get_instance(xml,
new_uuid,
submitted_by,
status,
xform,
defer_counting=True)
save_attachments(instance, media_files)
# override date created if required
if date_created_override:
if not timezone.is_aware(date_created_override):
# default to utc?
date_created_override = timezone.make_aware(
date_created_override, timezone.utc)
instance.date_created = date_created_override
instance.save()
if instance.xform is not None:
pi, created = ParsedInstance.objects.get_or_create(instance=instance)
if not created:
pi.save(async=False)
# Now that the slow tasks are complete and we are (hopefully!) close to the
# end of the transaction, update the submission count if the `Instance` was
# newly created
if getattr(instance, 'defer_counting', False):
# Remove the Python-only attribute
del instance.defer_counting
update_xform_submission_count(sender=None,
instance=instance,
created=True)
return instance
def save_submission(xform, xml, media_files, new_uuid, submitted_by, status,
date_created_override):
if not date_created_override:
date_created_override = get_submission_date_from_xml(xml)
# We have to save the `Instance` to the database before we can associate
# any `Attachment`s with it, but we are inside a transaction and saving
# attachments is slow! Usually creating an `Instance` updates the
# submission count of the parent `XForm` automatically via a `post_save`
# signal, but that takes a lock on `logger_xform` that persists until the
# end of the transaction. We must avoid doing that until all attachments
# are saved, and we are as close as possible to the end of the transaction.
# See https://github.com/kobotoolbox/kobocat/issues/490.
#
# `_get_instance(..., defer_counting=True)` skips incrementing the
# submission counters and returns an `Instance` with a `defer_counting`
# attribute set to `True` *if* a new instance was created. We are
# responsible for calling `update_xform_submission_count()` if the returned
# `Instance` has `defer_counting = True`.
instance = _get_instance(xml, new_uuid, submitted_by, status, xform,
defer_counting=True)
save_attachments(instance, media_files)
# override date created if required
if date_created_override:
if not timezone.is_aware(date_created_override):
# default to utc?
date_created_override = timezone.make_aware(
date_created_override, timezone.utc)
instance.date_created = date_created_override
instance.save()
if instance.xform is not None:
pi, created = ParsedInstance.objects.get_or_create(
instance=instance)
if not created:
pi.save(async=False)
# Now that the slow tasks are complete and we are (hopefully!) close to the
# end of the transaction, update the submission count if the `Instance` was
# newly created
if getattr(instance, 'defer_counting', False):
# Remove the Python-only attribute
del instance.defer_counting
update_xform_submission_count(sender=None, instance=instance,
created=True)
return instance