getChat method
Use this method to get up to date information about the chat (current name of the user for one-on-one conversations, current username of a user, group or channel, etc.).
Returns a Chat object on success.
Implementation
Future<Chat> getChat(dynamic chatId) async {
if (chatId is! String && chatId is! int) {
return Future.error(TelegramException(
'Attribute \'chatId\' can only be either type of String or int'));
}
var requestUrl = _apiUri('getChat');
var body = <String, dynamic>{'chat_id': chatId};
return Chat.fromJson(await HttpClient.httpPost(requestUrl, body: body));
}