basic_chatbot.rs

extern crate discord;

use discord::model::Event;
use discord::Discord;
use std::env;

fn main() {
	// Log in to Discord using a bot token from the environment
	let discord = Discord::from_bot_token(&env::var("DISCORD_TOKEN").expect("Expected token"))
		.expect("login failed");

	// Establish and use a websocket connection
	let (mut connection, _) = discord.connect().expect("connect failed");
	println!("Ready.");
	loop {
		match connection.recv_event() {
			Ok(Event::MessageCreate(message)) => {
				println!("{} says: {}", message.author.name, message.content);
				if message.content == "!test" {
					let _ = discord.send_message(
						message.channel_id,
						"This is a reply to the test.",
						"",
						false,
					);
				} else if message.content == "!quit" {
					println!("Quitting.");
					break;
				}
			}
			Ok(_) => {}
			Err(discord::Error::Closed(code, body)) => {
				println!("Gateway closed on us with code {:?}: {}", code, body);
				break;
			}
			Err(err) => println!("Receive error: {:?}", err),
		}
	}
}