Sync Memory V1

@classmethod
def from_dict(cls, obj: Optional[Dict[str, Any]]) -> Optional[Self]:
    """Create an instance of SyncMemoryV1 from a dict"""
    if obj is None:
        return None

    if not isinstance(obj, dict):
        return cls.model_validate(obj)

    _obj = cls.model_validate(
        {
            "createdAt": obj.get("createdAt"),
            "data": obj.get("data"),
            "deletedAt": obj.get("deletedAt"),
            "hideAt": obj.get("hideAt"),
            "id": obj.get("id"),
            "isSaved": obj.get("isSaved"),
            "memoryAt": obj.get("memoryAt"),
            "ownerId": obj.get("ownerId"),
            "seenAt": obj.get("seenAt"),
            "showAt": obj.get("showAt"),
            "type": obj.get("type"),
            "updatedAt": obj.get("updatedAt"),
        }
    )
    return _obj

@classmethod
def from_json(cls, json_str: str) -> Optional[Self]:
    """Create an instance of SyncMemoryV1 from a JSON string"""
    return cls.from_dict(json.loads(json_str))

def to_dict(self) -> Dict[str, Any]:
    """Return the dictionary representation of the model using alias.

    This has the following differences from calling pydantic's
    `self.model_dump(by_alias=True)`:

    * `None` is only added to the output dict for nullable fields that
      were set at model initialization. Other fields with value `None`
      are ignored.
    """
    excluded_fields: Set[str] = set([])

    _dict = self.model_dump(
        by_alias=True,
        exclude=excluded_fields,
        exclude_none=True,
    )
    # set to None if deleted_at (nullable) is None
    # and model_fields_set contains the field
    if self.deleted_at is None and "deleted_at" in self.model_fields_set:
        _dict["deletedAt"] = None

    # set to None if hide_at (nullable) is None
    # and model_fields_set contains the field
    if self.hide_at is None and "hide_at" in self.model_fields_set:
        _dict["hideAt"] = None

    # set to None if seen_at (nullable) is None
    # and model_fields_set contains the field
    if self.seen_at is None and "seen_at" in self.model_fields_set:
        _dict["seenAt"] = None

    # set to None if show_at (nullable) is None
    # and model_fields_set contains the field
    if self.show_at is None and "show_at" in self.model_fields_set:
        _dict["showAt"] = None

    return _dict

def to_json(self) -> str:
    """Returns the JSON representation of the model using alias"""
    # TODO: pydantic v2: use .model_dump_json(by_alias=True, exclude_unset=True) instead
    return json.dumps(self.to_dict())

def to_str(self) -> str:
    """Returns the string representation of the model using alias"""
    return pprint.pformat(self.model_dump(by_alias=True))