def _serialize_entity(self, entity: ffd.Entity, add_new: bool = False):
relationships = self._get_relationships(entity.__class__)
if len(relationships.keys()) > 0:
obj = entity.to_dict(force_all=True,
skip=list(relationships.keys()))
for k, v in relationships.items():
if v['this_side'] == 'one':
try:
sub_entity = getattr(entity, k)
if sub_entity is not None:
if add_new:
exists = self._cache_get(
f'aggregate_references.{sub_entity.__class__}.{sub_entity.id_value()}'
)
if exists is None:
e = self._registry(v['target']).find(
sub_entity.id_value())
if e is not None:
self._cache_set(
f'aggregate_references.{sub_entity.__class__}.{sub_entity.id_value()}',
True)
else:
self._registry(
v['target']).append(sub_entity)
obj[k] = sub_entity.id_value()
except AttributeError:
obj[k] = None
elif v['this_side'] == 'many':
obj[k] = []
for f in getattr(entity, k):
try:
if add_new:
exists = self._cache_get(
f'aggregate_references.{f.__class__}.{f.id_value()}'
)
if exists is None:
e = self._registry(v['target']).find(
f.id_value())
if e is not None:
self._cache_set(
f'aggregate_references.{f.__class__}.{f.id_value()}',
True)
else:
self._registry(v['target']).append(f)
obj[k].append(f.id_value())
except AttributeError:
obj[k].append(None)
else:
obj = entity.to_dict(force_all=True)
return self._serializer.serialize(obj)
def _get_hash(self, entity: ffd.Entity):
return hashlib.md5(self._serializer.serialize(entity.to_dict(force_all=True)).encode('utf-8')).hexdigest()