port of memejoin from js to rust

patrick/test-ci
Patrick Cleavelin 2023-02-12 01:56:53 -06:00
commit 7772a39526
7 changed files with 2312 additions and 0 deletions

1
.gitignore vendored Normal file
View File

@ -0,0 +1 @@
/target

1956
Cargo.lock generated Normal file

File diff suppressed because it is too large Load Diff

15
Cargo.toml Normal file
View File

@ -0,0 +1,15 @@
[package]
name = "memejoin-rs"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
serde = "1.0.152"
serde_json = "1.0.93"
serenity = { version = "0.11.5", default-features = false, features = ["client", "gateway", "rustls_backend", "model", "cache", "voice"] }
songbird = "0.3.0"
tokio = { version = "1.25.0", features = ["rt-multi-thread", "macros", "signal"] }
tracing = "0.1.37"
tracing-subscriber = "0.3.16"

94
flake.lock Normal file
View File

@ -0,0 +1,94 @@
{
"nodes": {
"flake-utils": {
"locked": {
"lastModified": 1667395993,
"narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"flake-utils_2": {
"locked": {
"lastModified": 1659877975,
"narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1675942811,
"narHash": "sha256-/v4Z9mJmADTpXrdIlAjFa1e+gkpIIROR670UVDQFwIw=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "724bfc0892363087709bd3a5a1666296759154b1",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1665296151,
"narHash": "sha256-uOB0oxqxN9K7XGF1hcnY+PQnlQJ+3bP2vCn/+Ru/bbc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "14ccaaedd95a488dd7ae142757884d8e125b3363",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs",
"rust-overlay": "rust-overlay"
}
},
"rust-overlay": {
"inputs": {
"flake-utils": "flake-utils_2",
"nixpkgs": "nixpkgs_2"
},
"locked": {
"lastModified": 1676169013,
"narHash": "sha256-mhUWa6TUg6Qjba1OdxPuW1ctCuU4O4lSObVc6UUUE0E=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "ef4cd733dc6b595cab5092f5004a489c5fd80b07",
"type": "github"
},
"original": {
"owner": "oxalica",
"repo": "rust-overlay",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

36
flake.nix Normal file
View File

@ -0,0 +1,36 @@
{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
rust-overlay.url = "github:oxalica/rust-overlay";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ (import rust-overlay) ];
pkgs = import nixpkgs {
inherit system overlays;
};
local-rust = (pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain).override {
extensions = [ "rust-analysis" ];
};
in
{
devShell = pkgs.mkShell {
buildInputs = with pkgs; [
local-rust
rust-analyzer
pkg-config
gcc
openssl
python3
ffmpeg
cmake
libopus
youtube-dl
];
};
}
);
}

1
rust-toolchain Normal file
View File

@ -0,0 +1 @@
nightly

209
src/main.rs Normal file
View File

@ -0,0 +1,209 @@
#![feature(stmt_expr_attributes)]
#![feature(proc_macro_hygiene)]
#![feature(async_closure)]
use std::collections::HashMap;
use std::env;
use std::sync::Arc;
use serde::Deserialize;
use serenity::async_trait;
use serenity::model::prelude::{Channel, GuildId, Message, Ready};
use serenity::model::voice::VoiceState;
use serenity::prelude::GatewayIntents;
use serenity::prelude::*;
use songbird::SerenityInit;
use tracing::*;
struct Handler;
struct TrackEventHandler {
ctx: Context,
guild_id: GuildId,
}
#[async_trait]
impl songbird::EventHandler for TrackEventHandler {
async fn act<'a, 'b, 'c>(
&'a self,
ctx: &'b songbird::EventContext<'c>,
) -> Option<songbird::Event> {
if let songbird::EventContext::Track(track) = ctx {
if let Some(context) = track.get(0) {
if context.0.playing == songbird::tracks::PlayMode::End
|| context.0.playing == songbird::tracks::PlayMode::Stop
{
let manager = songbird::get(&self.ctx).await.expect("should get manager");
if let Err(err) = manager.leave(self.guild_id).await {
error!("Failed to leave voice channel: {err:?}");
}
}
}
}
None
}
}
#[derive(Debug, Clone, Deserialize)]
struct Settings {
#[serde(alias = "userEnteredSoundDelay")]
sound_delay: u64,
channels: HashMap<String, ChannelSettings>,
}
impl TypeMapKey for Settings {
type Value = Arc<Settings>;
}
#[derive(Debug, Clone, Deserialize)]
struct ChannelSettings {
#[serde(alias = "enterUsers")]
users: HashMap<String, UserSettings>,
}
#[derive(Debug, Clone, Deserialize)]
struct UserSettings {
#[serde(rename = "type")]
ty: SoundType,
#[serde(alias = "enterSound")]
sound: String,
#[serde(alias = "youtubeVolume")]
volume: i32,
}
#[derive(Debug, Clone, Deserialize)]
enum SoundType {
#[serde(alias = "file")]
File,
#[serde(alias = "youtube")]
Youtube,
}
#[async_trait]
impl EventHandler for Handler {
async fn ready(&self, _ctx: Context, ready: Ready) {
info!("{} is ready", ready.user.name);
}
async fn voice_state_update(&self, ctx: Context, old: Option<VoiceState>, new: VoiceState) {
if old.is_none() {
if let (Some(member), Some(channel_id)) = (new.member, new.channel_id) {
info!(
"{}#{} joined voice channel {:?} in {:?}",
member.user.name,
member.user.discriminator,
channel_id.name(&ctx.cache).await,
member
.guild_id
.name(&ctx.cache)
.unwrap_or("no_guild_name".to_string())
);
if member.user.name == "MemeJoin" {
return;
}
let settings = {
let data_read = ctx.data.read().await;
data_read
.get::<Settings>()
.expect("settings should exist")
.clone()
};
let Some(Channel::Guild(channel)) = channel_id.to_channel_cached(&ctx.cache) else {
error!("Failed to get cached channel from member!");
return;
};
let Some(user) = settings.channels.get(channel.name()).and_then(|c| c.users.get(&member.user.name)) else {
info!("No sound associated for {} in channel {}", member.user.name, channel.name());
return;
};
let Some(manager) = songbird::get(&ctx).await else {
error!("Failed to get songbird manager from context");
return;
};
match manager.join(member.guild_id, channel_id).await {
(handler_lock, Ok(())) => {
let mut handler = handler_lock.lock().await;
let source = match user.ty {
SoundType::Youtube => match songbird::ytdl(&user.sound).await {
Ok(source) => source,
Err(err) => {
error!("Error starting source: {err:?}");
return;
}
},
SoundType::File => {
error!("Playing files not supported yet");
return;
}
};
let track_handle = handler.play_source(source);
if let Err(err) = track_handle.add_event(
songbird::Event::Track(songbird::TrackEvent::End),
TrackEventHandler {
ctx,
guild_id: member.guild_id,
},
) {
error!("Failed to add event handler to track handle: {err:?}");
};
}
(_, Err(err)) => {
error!("Failed to join voice channel {}: {err:?}", channel.name());
}
}
}
}
}
}
#[tokio::main]
#[instrument]
async fn main() {
tracing_subscriber::fmt::init();
let token = env::var("DISCORD_TOKEN").expect("expected DISCORD_TOKEN env var");
let settings = serde_json::from_str::<Settings>(
&std::fs::read_to_string("config/settings.json").expect("no config/settings.json"),
)
.expect("error parsing settings file");
info!("{settings:?}");
let intents = GatewayIntents::GUILDS
| GatewayIntents::GUILD_MESSAGES
| GatewayIntents::MESSAGE_CONTENT
| GatewayIntents::GUILD_VOICE_STATES;
let mut client = Client::builder(&token, intents)
.event_handler(Handler)
.register_songbird()
.await
.expect("Error creating client");
{
let mut data = client.data.write().await;
data.insert::<Settings>(Arc::new(settings));
}
info!("Starting bot with token '{token}'");
tokio::spawn(async move {
if let Err(err) = client.start().await {
error!("An error occurred while running the client: {err:?}");
}
});
let _ = tokio::signal::ctrl_c().await;
info!("Received Ctrl-C, shuttdown down.");
}