Initial release

This is a matrix bot which announces the lol hackerspace's
open / closed state to a list of matrix rooms, it is based
on rumqtt and matrix-rust-sdk. The bot connects to the
configured matrix homeserver and an MQTT broker broadcasting
changes in the door sensor state

src/main.rs

@@ -0,0 +1,88 @@
+/**
+ * matrix-lolopener v0.1.0
+ *
+ * Copyright (C) 2026 The 1312 Media Collective
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+mod config;
+mod matrix;
+mod mqtt;
+
+use tokio::{
+    sync::{Notify, broadcast},
+    task::JoinHandle,
+};
+
+use crate::{
+    config::Config,
+    matrix::login_and_sync,
+    mqtt::{MQTT, StatusMessage},
+};
+
+use std::sync::Arc;
+use tracing::{ info, debug };
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    tracing_subscriber::fmt::init();
+
+    let config = Config::load("config.yml").unwrap_or_else(|e| {
+        panic!("Failed to load config: {e:?}")
+    });
+    let config = Arc::new(config);
+
+    let matrix_ready = Arc::new(Notify::new());
+
+    // This channel is used for sending messages to the matrix module,
+    // it holds a tuple with an HTML message and a list of rooms to post to
+    let (bcast_tx, bcast_rx) = broadcast::channel::<(String, Vec<String>)>(1024);
+
+    let handle: JoinHandle<_> = (|| {
+        let matrix_ready = Arc::clone(&matrix_ready);
+        let config = Arc::clone(&config);
+
+        tokio::spawn(async move {
+            debug!("Waiting until matrix is ready");
+            matrix_ready.notified().await;
+            info!("Matrix is ready");
+
+            let mut mqtt = MQTT::new(config.mqtt.clone()).await;
+            mqtt.subscribe(|status: StatusMessage| {
+                let msg = match status {
+                    StatusMessage { contact: true, .. } => "🔴 Le LOL est fermé :(",
+                    StatusMessage { contact: false, .. } => "🟢 Le LOL est ouvert :)",
+                };
+                debug!("Sending msg {}", msg);
+                //XXX: Panic if the matrix module can't get the message
+                bcast_tx.send((msg.into(), config.rooms.clone())).unwrap();
+
+                ()
+            }).await.unwrap(); //XXX: Panic if the mqtt broker fails
+        })
+    })();
+
+    login_and_sync(
+        config.homeserver_uri.clone().into(),
+        &config.auth,
+        matrix_ready,
+        bcast_rx
+    ).await?;
+
+    handle.abort();
+    handle.await?;
+
+    Ok(())
+}