def create_concept_relationship(db: PartitionedDatabase,
body: JsonDict) -> Tuple[JsonDict, int]:
from_model = body.get("from", None)
to_model = body.get("to", None)
name = body["name"]
display_name = body["display_name"]
description = body["description"]
with db.transaction() as tx:
if from_model is None and to_model is None:
relationship = to_legacy_relationship(
db.create_model_relationship_stub_tx(tx,
name=name,
display_name=display_name,
description=description))
else:
relationship = to_legacy_relationship(
db.create_model_relationship_tx(
tx,
from_model=from_model,
name=name,
display_name=display_name,
to_model=to_model,
one_to_many=True,
description=description,
))
return relationship, 201
def create_schema_linked_properties(db: PartitionedDatabase, id_: ModelId,
body: JsonDict):
with db.transaction() as tx:
return (
[
to_schema_linked_property(
db.create_model_relationship_tx(
tx,
from_model=id_,
name=p["name"],
to_model=p["to"],
one_to_many=False,
display_name=p["displayName"],
index=p.get("position", None),
)) for p in body
],
201,
)