def get_history(project, human_readable_names=True):
"""
Fetch history for all models associated with a given project.
:param human_readable_names Whether to replace id numbers with readable names
:return A sorted list of dicts with history information
"""
person_query, project_query, bill_query = get_history_queries(project)
history = []
for version_list in [
person_query.all(),
project_query.all(),
bill_query.all()
]:
for version in version_list:
object_type = {
"Person": _("Person"),
"Bill": _("Bill"),
"Project": _("Project"),
}[parent_class(type(version)).__name__]
# Use the old name if applicable
if version.previous:
object_str = describe_version(version.previous)
else:
object_str = describe_version(version)
common_properties = {
"time":
version.transaction.issued_at.strftime("%Y-%m-%dT%H:%M:%SZ"),
"operation_type":
version.operation_type,
"object_type":
object_type,
"object_desc":
object_str,
"ip":
version.transaction.remote_addr,
}
if version.operation_type == Operation.UPDATE:
# Only iterate the changeset if the previous version
# Was logged
if version.previous:
changeset = version.changeset
if isinstance(version, BillVersion):
if version.owers != version.previous.owers:
added, removed = describe_owers_change(
version, human_readable_names)
if added:
changeset["owers_added"] = (None, added)
if removed:
changeset["owers_removed"] = (None, removed)
for (
prop,
(val_before, val_after),
) in changeset.items():
if human_readable_names:
if prop == "payer_id":
prop = "payer"
if val_after is not None:
val_after = describe_version(version.payer)
if version.previous and val_before is not None:
val_before = describe_version(
version.previous.payer)
else:
val_after = None
next_event = common_properties.copy()
next_event["prop_changed"] = prop
next_event["val_before"] = val_before
next_event["val_after"] = val_after
history.append(next_event)
else:
history.append(common_properties)
else:
history.append(common_properties)
return sorted(history, key=history_sort_key, reverse=True)
def describe_version(version_obj):
"""Use the base model str() function to describe a version object"""
return parent_class(type(version_obj)).__str__(version_obj)
def test_throws_error_for_non_version_class(self):
with raises(KeyError):
parent_class(self.Article)
def test_parent_class_for_version_class(self):
ArticleVersion = version_class(self.Article)
assert parent_class(ArticleVersion) == self.Article
def _marshal_changed_entities(transaction: TransactionBase, with_details):
return [{
'entity': parent_class(versioned_class).__name__,
'changesets': [_marshal_changeset(changeset, with_details) for changeset in changesets]
} for versioned_class, changesets in transaction.changed_entities.items()]
