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|
use crate::agenda::{
parse_message,
AgendaPoint
};
use discord::{
model::{
ChannelId,
Event,
PossibleServer,
},
Discord,
Error,
};
use futures::join;
use std::sync::{
Arc,
Mutex,
};
use tokio::{
sync::mpsc,
task::{
spawn,
spawn_blocking,
},
};
const TOKEN: Option<&str> = None;
const CHANNEL: Option<ChannelId> = None;
pub async fn handle(
sender: mpsc::UnboundedSender<AgendaPoint>,
receiver: mpsc::UnboundedReceiver<AgendaPoint>,
) {
println!("Setting up Discord");
let token = std::env::var("DISCORD_API_TOKEN").unwrap_or_else(|_| TOKEN.expect("Missing Discord token").to_string());
let client = Discord::from_bot_token(&token);
if let Ok(client) = client {
let (connection, _) = client.connect().expect("Discord connect failed"); //TODO
let our_id = client.get_current_user().unwrap().id;
let client = Arc::new(Mutex::new(client));
let channel = match std::env::var("DISCORD_CHANNEL") {
Ok(channel) => Some(ChannelId(channel.parse::<u64>().unwrap())),
Err(_) => CHANNEL,
};
let (_, _) = join!( //TODO?
spawn(receive_from_slack(receiver, Arc::clone(&client), channel)),
spawn_blocking(move || receive_events(our_id, connection, sender, client, channel)),
);
}
}
fn receive_events(
_our_id: discord::model::UserId,
mut connection: discord::Connection,
sender: mpsc::UnboundedSender<AgendaPoint>,
client: Arc<Mutex<discord::Discord>>,
channel: Option<ChannelId>,
) {
loop {
match connection.recv_event() {
Ok(Event::ServerCreate(server)) => {
if channel.is_none() {
if let PossibleServer::Online(server) = server {
println!("Discord channels in {}: {:#?}",
server.name,
server
.channels
.iter()
.map(|channel| format!("{}: {} ({:?})",
channel.name,
channel.id,
channel.kind))
.collect::<Vec<_>>());
}
}
}
Ok(Event::MessageCreate(message)) => {
if let Some(channel) = channel {
if channel == message.channel_id {
if let Ok(Some(s)) = parse_message(
&message.content,
&message.author.name,
&sender,
) {
client.lock().unwrap().send_message(channel,
&s,
"",
false).unwrap();
}
}
}
}
Ok(_) => {}
Err(Error::Closed(code, body)) => {
println!("Discord closed with code {:?}: {}", code, body);
break;
}
Err(e) => {
println!("Discord error: {:?}", e);
}
}
}
}
async fn receive_from_slack(
mut receiver: mpsc::UnboundedReceiver<AgendaPoint>,
client: Arc<Mutex<discord::Discord>>,
channel: Option<ChannelId>
) {
if let Some(channel) = channel {
while let Some(point) = receiver.recv().await {
println!("Discord received '{}'", point);
client.lock().unwrap().send_message(channel,
&point.to_add_message(),
"",
false).unwrap();
}
}
}
|
