Shared Link Create Dto

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

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

    _obj = cls.model_validate(
        {
            "albumId": obj.get("albumId"),
            "allowDownload": obj.get("allowDownload")
            if obj.get("allowDownload") is not None
            else True,
            "allowUpload": obj.get("allowUpload"),
            "assetIds": obj.get("assetIds"),
            "description": obj.get("description"),
            "expiresAt": obj.get("expiresAt"),
            "password": obj.get("password"),
            "showMetadata": obj.get("showMetadata")
            if obj.get("showMetadata") is not None
            else True,
            "slug": obj.get("slug"),
            "type": obj.get("type"),
        }
    )
    return _obj

@classmethod
def from_json(cls, json_str: str) -> Optional[Self]:
    """Create an instance of SharedLinkCreateDto 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 description (nullable) is None
    # and model_fields_set contains the field
    if self.description is None and "description" in self.model_fields_set:
        _dict["description"] = None

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

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

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