added an authenticated room websocket for messages

src/realtime.rs

@@ -0,0 +1,27 @@
+use dashmap::DashMap;
+use std::sync::Arc;
+use tokio::sync::broadcast;
+
+use crate::routes::messages::Message;
+
+pub type RoomId = i32;
+
+#[derive(Clone)]
+pub struct Realtime {
+    pub rooms: Arc<DashMap<RoomId, broadcast::Sender<Message>>>,
+}
+
+impl Realtime {
+    pub fn new() -> Self {
+        Self {
+            rooms: Arc::new(DashMap::new()),
+        }
+    }
+
+    pub fn sender_for(&self, room: RoomId) -> broadcast::Sender<Message> {
+        self.rooms
+            .entry(room)
+            .or_insert_with(|| broadcast::channel(100).0)
+            .clone()
+    }
+}