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Diffstat (limited to 'crates/discord-bot/src/lib.rs')
| -rw-r--r-- | crates/discord-bot/src/lib.rs | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/crates/discord-bot/src/lib.rs b/crates/discord-bot/src/lib.rs new file mode 100644 index 0000000..7ac2e98 --- /dev/null +++ b/crates/discord-bot/src/lib.rs @@ -0,0 +1,82 @@ +use std::sync::Arc; + +use eyre::Result; +use log::trace; +use serenity::prelude::{Client, GatewayIntents, TypeMapKey}; + +mod commands; +mod config; +mod consts; +mod handler; +mod jobs; + +use config::Config; +use handler::Handler; +use nixpkgs_tracker_http as http; + +/// Container for [`http::Client`] +struct SharedHttp; + +impl TypeMapKey for SharedHttp { + type Value = Arc<http::Client>; +} + +/// Container for [`Config`] +struct SharedConfig; + +impl TypeMapKey for SharedConfig { + type Value = Arc<Config>; +} + +/// Fetch our bot token +fn token() -> Result<String> { + let token = std::env::var("DISCORD_BOT_TOKEN")?; + Ok(token) +} + +/// Create our client +/// +/// # Errors +/// +/// Will return [`Err`] if a [`Client`] cannot be created or configuration +/// cannot be created from the environment. +/// +/// # Panics +/// +/// Will [`panic!`] if the bot token isn't found or the ctrl+c handler can't be made +pub async fn client() -> Result<Client> { + let token = token().expect("Couldn't find token in environment! Is DISCORD_BOT_TOKEN set?"); + + let intents = GatewayIntents::default(); + trace!("Creating client"); + let client = Client::builder(token, intents) + .event_handler(Handler) + .await?; + + // add state stuff + let http_client = <http::Client as http::Ext>::default(); + let config = Config::from_env()?; + + { + let mut data = client.data.write().await; + + data.insert::<SharedHttp>(Arc::new(http_client)); + data.insert::<SharedConfig>(Arc::new(config.clone())); + } + + let shard_manager = client.shard_manager.clone(); + + // gracefully shutdown on ctrl+c + tokio::spawn(async move { + #[cfg(target_family = "unix")] + tokio::signal::ctrl_c() + .await + .expect("Couldn't register ctrl+c handler!"); + shard_manager.shutdown_all().await; + }); + + // run our jobs + jobs::dispatch(config)?; + + Ok(client) +} |
