docs: def fileupdate(self, data):
          """Method to update extra metadata fields with dict obtained
          through `fileinfo`"""
  
          self.name = data["name"]
          add = self.__additional
          add["filetype"] = "other"
          for filetype in ("book", "image", "video", "audio", "archive"):
              if filetype in data:
                  add["filetype"] = filetype
                  break
          if add["filetype"] in ("image", "video", "audio"):
              add["thumb"] = data.get("thumb", dict())
          # checksum is md5
          add["checksum"] = data["checksum"]
          add["expire_time"] = data["expires"] / 1000
          add["size"] = data["size"]
          add["info"] = data.get(add["filetype"], dict())
          add["uploader"] = data["user"]
          if self.room.admin:
              add["info"].update({"room": data.get("room")})
              add["info"].update({"uploader_ip": data.get("uploader_ip")})
          self.updated = True