teloxide/examples/dialogue_bot/src/main.rs

// This is a bot that asks you three questions, e.g. a simple test.
//
// # Example
// ```
//  - Hey
//  - Let's start! What's your full name?
//  - Gandalf the Grey
//  - How old are you?
//  - 223
//  - What's your location?
//  - Middle-earth
//  - Full name: Gandalf the Grey
//    Age: 223
//    Location: Middle-earth
// ```

#![allow(clippy::trivial_regex)]
#![allow(dead_code)]

#[macro_use]
extern crate frunk;

mod dialogue;

use crate::dialogue::Dialogue;
use teloxide::prelude::*;

#[tokio::main]
async fn main() {
    run().await;
}

async fn run() {
    teloxide::enable_logging!();
    log::info!("Starting dialogue_bot...");

    let bot = Bot::from_env().auto_send();

    teloxide::dialogues_repl(bot, |message, dialogue| async move {
        handle_message(message, dialogue).await.expect("Something wrong with the bot!")
    })
    .await;
}

async fn handle_message(
    cx: UpdateWithCx<AutoSend<Bot>, Message>,
    dialogue: Dialogue,
) -> TransitionOut<Dialogue> {
    match cx.update.text().map(ToOwned::to_owned) {
        None => {
            cx.answer("Send me a text message.").await?;
            next(dialogue)
        }
        Some(ans) => dialogue.react(cx, ans).await,
    }
}