async def get(cls,
loc_id: str,
*,
_thumbnail: bool = False) -> TelegramFile | None:
q = (
"SELECT id, mxc, mime_type, was_converted, timestamp, size, width, height, thumbnail,"
" decryption_info "
"FROM telegram_file WHERE id=$1")
row = await cls.db.fetchrow(q, loc_id)
if row is None:
return None
data = {**row}
thumbnail_id = data.pop("thumbnail", None)
if _thumbnail:
# Don't allow more than one level of recursion
thumbnail_id = None
decryption_info = data.pop("decryption_info", None)
return cls(
**data,
thumbnail=(await cls.get(thumbnail_id, _thumbnail=True))
if thumbnail_id else None,
decryption_info=EncryptedFile.parse_json(decryption_info)
if decryption_info else None,
)
def process_result_value(self, value: str,
dialect) -> Optional[EncryptedFile]:
if value is not None:
return EncryptedFile.parse_json(value)
return None