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|
use std::{sync::Arc, time::Duration};
use eyre::{Context as _, Report, Result};
use log::{info, trace, warn};
use poise::{
serenity_prelude::{self as serenity},
EditTracker, Framework, FrameworkOptions, PrefixFrameworkOptions,
};
use tokio::signal::ctrl_c;
#[cfg(target_family = "unix")]
use tokio::signal::unix::{signal, SignalKind};
#[cfg(target_family = "windows")]
use tokio::signal::windows::ctrl_close;
mod api;
mod commands;
mod consts;
mod handlers;
mod storage;
mod utils;
use storage::Storage;
type Error = Box<dyn std::error::Error + Send + Sync>;
type Context<'a> = poise::Context<'a, Data, Error>;
#[derive(Clone, Debug, Default)]
pub struct Data {
storage: Option<Storage>,
}
async fn setup(ctx: &serenity::Context) -> Result<Data, Error> {
let storage = Storage::from_env().ok();
if let Some(storage) = storage.as_ref() {
if !storage.clone().is_connected() {
return Err(
"You specified a storage backend but there's no connection! Is it running?".into(),
);
}
trace!("Storage backend connected!");
poise::builtins::register_globally(ctx, &commands::to_vec_global()).await?;
info!("Registered global commands!");
// register "extra" commands in guilds that allow it
let guilds = storage.get_opted_guilds().await?;
for guild in guilds {
poise::builtins::register_in_guild(ctx, &commands::to_vec_optional(), guild).await?;
info!("Registered guild commands to {}", guild);
}
} else {
warn!("No storage backend was specified. Features requiring storage will be disabled");
warn!("Registering optional commands globally since there's no storage backend");
poise::builtins::register_globally(ctx, &commands::to_vec()).await?;
}
let data = Data { storage };
Ok(data)
}
async fn handle_shutdown(shard_manager: Arc<serenity::ShardManager>, reason: &str) {
warn!("{reason}! Shutting down bot...");
shard_manager.shutdown_all().await;
println!("Everything is shutdown. Goodbye!");
}
#[tokio::main]
async fn main() -> Result<()> {
dotenvy::dotenv().ok();
color_eyre::install()?;
env_logger::init();
let token = std::env::var("TOKEN").wrap_err("Couldn't find bot token in environment!")?;
let intents =
serenity::GatewayIntents::non_privileged() | serenity::GatewayIntents::MESSAGE_CONTENT;
let options = FrameworkOptions {
commands: commands::to_vec(),
on_error: |error| Box::pin(handlers::error::handle(error)),
command_check: Some(|ctx| {
Box::pin(async move { Ok(ctx.author().id != ctx.framework().bot_id) })
}),
event_handler: |ctx, event, _framework, data| {
Box::pin(handlers::event::handle(ctx, event, data))
},
prefix_options: PrefixFrameworkOptions {
prefix: Some("!".into()),
edit_tracker: Some(Arc::new(EditTracker::for_timespan(Duration::from_secs(
3600,
)))),
..Default::default()
},
..Default::default()
};
let framework = Framework::builder()
.options(options)
.setup(|ctx, _ready, _framework| Box::pin(setup(ctx)))
.build();
let mut client = serenity::ClientBuilder::new(token, intents)
.framework(framework)
.await?;
let shard_manager = client.shard_manager.clone();
#[cfg(target_family = "unix")]
let mut sigterm = signal(SignalKind::terminate())?;
#[cfg(target_family = "windows")]
let mut sigterm = ctrl_close()?;
tokio::select! {
result = client.start() => result.map_err(Report::from),
_ = sigterm.recv() => {
handle_shutdown(shard_manager, "Received SIGTERM").await;
std::process::exit(0);
},
_ = ctrl_c() => {
handle_shutdown(shard_manager, "Interrupted").await;
std::process::exit(130);
}
}
}
|
