telegram bot ui settings and code sending

src/ui_interface.rs

@@ -1392,6 +1392,20 @@ pub fn verify2fa(code: String) -> bool {
     res
 }
 
+pub fn has_valid_bot() -> bool {
+    crate::auth_2fa::TelegramBot::get().map_or(false, |bot| bot.is_some())
+}
+
+pub fn verify_bot(token: String) -> String {
+    match crate::auth_2fa::get_chatid_telegram(&token) {
+        Err(err) => err.to_string(),
+        Ok(None) => {
+            "To activate the bot, simply send a message like \"hello\" to its chat.".to_owned()
+        }
+        _ => "".to_owned(),
+    }
+}
+
 pub fn check_hwcodec() {
     #[cfg(feature = "hwcodec")]
     #[cfg(any(target_os = "windows", target_os = "linux"))]