updateEntity method

@override Future<AssignmentEntity> updateEntity(String documentID, AssignmentEntity value)

Implementation

@override
Future<AssignmentEntity> updateEntity(
    String documentID, AssignmentEntity value) {
  return assignmentCollection
      .doc(documentID)
      .update(value.toDocument())
      .then((_) => value)
      .then((v) async {
    var newValue = await getEntity(documentID);
    if (newValue == null) {
      return value;
    } else {
      return newValue;
    }
  });
}