document_t

struct banana::api::document_t

This object represents a general file (as opposed to photos, voice messages and audio files).

string_t file_id

Identifier for this file, which can be used to download or reuse the file

string_t file_unique_id

Unique identifier for this file, which is supposed to be the same over time and for different bots. Can’t be used to download or reuse the file.

optional_t<photo_size_t> thumbnail

Optional. Document thumbnail as defined by the sender

optional_t<string_t> file_name

Optional. Original filename as defined by the sender

optional_t<string_t> mime_type

Optional. MIME type of the file as defined by the sender

optional_t<integer_t> file_size

Optional. File size in bytes. It can be bigger than 2^31 and some programming languages may have difficulty/silent defects in interpreting it. But it has at most 52 significant bits, so a signed 64-bit integer or double-precision float type are safe for storing this value.