First commit

.gitignore

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+/target
+.env

.vscode/settings.json

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+{
+  "rust-analyzer.linkedProjects": [
+    "./Cargo.toml"
+  ]
+}

Cargo.toml

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+[package]
+name = "rustbot"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+poise = "0.5.7"
+serenity = "0.12.0"
+tokio = { version = "1.34.0", features = ["macros", "signal", "rt-multi-thread"] }
+tracing = "0.1.40"
+tracing-subscriber = "0.3.18"
+
+[[bin]]
+name = "rustbot"
+path = "src/main.rs"
+
+[profile.dev]
+opt-level = 0
+debug = true
+
+[profile.release]
+opt-level = 3
+debug = false

src/commands/mod.rs

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+pub mod ping;

src/commands/ping.rs

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+use crate::Error;
+
+/// Check if the bot is alive
+#[poise::command(slash_command)]
+pub async fn ping(
+  ctx: poise::Context<'_, (), Error>,
+) -> Result<(), Error> {
+  ctx.reply("Powong!").await?;
+  Ok(())
+}

src/main.rs

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+mod commands;
+
+use poise::serenity_prelude::{self as serenity};
+
+type Error = Box<dyn std::error::Error + Send + Sync>;
+
+const GUILD_ID: serenity::GuildId = serenity::GuildId(865673694184996885);
+
+async fn on_ready(
+  ctx: &serenity::Context,
+  ready: &serenity::Ready,
+  framework: &poise::Framework<(), Error>
+) -> Result<(), Error> {
+  println!("Connected to API as {}", ready.user.name);
+
+  let builder = poise::builtins::create_application_commands(&framework.options().commands);
+  let commands = serenity::GuildId::set_application_commands(&GUILD_ID, &ctx.http, |commands| {
+      *commands = builder.clone();
+      commands
+    }).await;
+  
+  println!("Registered the following commands: \n{:#?}", commands);
+
+  Ok(())
+}
+
+#[tokio::main]
+async fn main() {
+  let token = std::env::var("DISCORD_TOKEN").expect("Expected a \"DISCORD_TOKEN\" in the envvar but none was found");
+
+  let client = poise::Framework::builder().token(token)
+    .intents(serenity::GatewayIntents::MESSAGE_CONTENT | serenity::GatewayIntents::GUILDS)
+    .options(poise::FrameworkOptions {
+      commands: vec![
+        commands::ping::ping()
+      ],
+      pre_command: |ctx| {
+        Box::pin(async move {
+          println!("{} ran /{}", ctx.author().name, ctx.command().name)
+        })
+      },
+      ..Default::default()
+    }).setup(|ctx, ready, framework| Box::pin(on_ready(ctx, ready, framework)))
+    .build().await.expect("Error while building the client");
+
+  if let Err(why) = client.start().await {
+    println!("Client error: {:?}", why);
+  }
+}