[Add] Structure

src/services/user_service.rs

@@ -0,0 +1,17 @@
+use std::sync::Arc;
+
+use crate::{app_state::AppState, rho::rho_connection::RhoConnection};
+
+pub struct UserService {
+    state: Arc<AppState>,
+}
+
+impl UserService {
+    pub fn new(state: Arc<AppState>) -> Self {
+        Self { state }
+    }
+
+    pub async fn connection_for_user(&self, user_id: i64) -> Option<Arc<RhoConnection>> {
+        self.state.rho.get_for_user(user_id).await
+    }
+}