feat: initial bot setup

.env.example

@@ -0,0 +1 @@
+DISCORD_TOKEN=changeme

Cargo.toml

@@ -4,3 +4,9 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+color-eyre = "0.6.5"
+dotenvy = "0.15.7"
+poise = "0.6.1"
+tokio = { version = "1.47.1", features = ["macros", "rt-multi-thread"] }
+tracing = "0.1.41"
+tracing-subscriber = "0.3.20"

flake.lock

@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1756542300,
+        "narHash": "sha256-tlOn88coG5fzdyqz6R93SQL5Gpq+m/DsWpekNFhqPQk=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "d7600c775f877cd87b4f5a831c28aa94137377aa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "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": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1756780571,
+        "narHash": "sha256-xX0B7Sgx3OQvf6anaNW0vXyYDXbchSx2mnT8rqAPbWA=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "2c18db2acc837a71146ed2d6dae27bf03e3b7a4b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

src/discord/mod.rs

@@ -0,0 +1,35 @@
+use color_eyre::eyre::{Error, Result};
+use poise::serenity_prelude::{self as serenity, FullEvent};
+use tracing::info;
+
+fn event_handler(_ctx: serenity::Context, event: &FullEvent) {
+    if let FullEvent::Ready { data_about_bot } = event {
+        info!("Logged in as {}", data_about_bot.user.name);
+    }
+}
+
+pub async fn make_bot() -> Result<serenity::Client> {
+    let token = std::env::var("DISCORD_TOKEN").expect("DISCORD_TOKEN environment variable is missing");
+    let intents = serenity::GatewayIntents::non_privileged();
+    let framework = poise::Framework::<(), Error>::builder()
+        .options(poise::FrameworkOptions {
+            commands: vec![],
+            event_handler: |ctx, event, _framework: poise::FrameworkContext<'_, (), _>, _data| {
+                Box::pin(async move {
+                    event_handler(ctx.clone(), event);
+                    Ok(())
+                })
+            },
+            ..Default::default()
+        })
+        .setup(|ctx, _ready, framework| {
+            Box::pin(async move {
+                poise::builtins::register_globally(ctx, &framework.options().commands).await?;
+                Ok(())
+            })
+        })
+        .build();
+    Ok(serenity::ClientBuilder::new(token, intents)
+        .framework(framework)
+        .await?)
+}

src/main.rs

@@ -1,3 +1,22 @@
-fn main() {
-    println!("Hello, world!");
+#![deny(clippy::all, clippy::pedantic, clippy::nursery)]
+#![warn(missing_docs)]
+#![allow(clippy::module_name_repetitions, clippy::redundant_pub_crate)]
+
+mod discord;
+mod utils;
+
+use poise::serenity_prelude::{self as serenity};
+use tracing::info;
+use color_eyre::Result;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    utils::setup_logging();
+    info!("Setting up color_eyre...");
+    color_eyre::install()?;
+    info!("Reading dotenv...");
+    let _ = dotenvy::dotenv().map_err(|_| info!("No dotenv file found, skipping."));
+    let mut bot = discord::make_bot().await?;
+    bot.start().await?;
+    Ok(())
 }

src/utils.rs

@@ -0,0 +1,7 @@
+use tracing::Level;
+use tracing_subscriber::FmtSubscriber;
+
+pub fn setup_logging() {
+    let subscriber = FmtSubscriber::builder().with_max_level(Level::INFO).finish();
+    tracing::subscriber::set_global_default(subscriber).expect("Setting default logging subscriber failed");
+}