Matrix notification

src/notify.rs

@@ -0,0 +1,64 @@
+use crate::config::Config;
+
+use crossbeam_channel::Receiver;
+use matrix_sdk::ruma;
+use std::sync::Arc;
+
+struct Notifier {
+	matrix: Option<(matrix_sdk::Client, matrix_sdk::room::Joined)>,
+}
+
+impl Notifier {
+	async fn new(config: &Config) -> Self {
+		Self {
+			matrix: if config.matrix_notify {
+				let user = ruma::UserId::parse(&config.matrix_user).unwrap();
+				let client = matrix_sdk::Client::builder()
+					.homeserver_url(&config.matrix_server)
+					.user_agent("Webcomment")
+					.build()
+					.await
+					.unwrap();
+
+				client
+					.login_username(&user, &config.matrix_password)
+					.send()
+					.await
+					.unwrap();
+				client
+					.sync_once(matrix_sdk::config::SyncSettings::default())
+					.await
+					.unwrap();
+
+				let room_id = <&ruma::RoomId>::try_from(config.matrix_room.as_str()).unwrap();
+				let room = client.get_room(room_id).unwrap();
+
+				if let matrix_sdk::room::Room::Joined(room) = room {
+					Some((client, room))
+				} else {
+					None
+				}
+			} else {
+				None
+			},
+		}
+	}
+
+	async fn notify(&self) {
+		if let Some((_client, room)) = &self.matrix {
+			room.send(
+				ruma::events::room::message::RoomMessageEventContent::text_plain("New comment."),
+				None,
+			)
+			.await
+			.unwrap();
+		}
+	}
+}
+
+pub async fn run_notifier(config: Arc<Config>, recv: Receiver<()>) {
+	let notifier = Notifier::new(&config).await;
+	for () in recv {
+		notifier.notify().await;
+	}
+}