Do not start sync thread if user is disconnected

matrixgw_backend/src/matrix_connection/matrix_client.rs

@@ -298,6 +298,11 @@ impl MatrixClient {
         Ok(())
     }
 
+    /// Check whether a user is currently connected to this client or not
+    pub fn is_client_connected(&self) -> bool {
+        self.client.is_active()
+    }
+
     /// Disconnect user from client
     pub async fn disconnect(self) -> anyhow::Result<()> {
         if let Err(e) = self.client.logout().await {

matrixgw_backend/src/matrix_connection/matrix_manager.rs

@@ -102,6 +102,13 @@ impl Actor for MatrixManagerActor {
                     return Ok(());
                 };
 
+                if !client.is_client_connected() {
+                    log::warn!(
+                        "Cannot start sync thread for {email:?} because Matrix account is not set!"
+                    );
+                    return Ok(());
+                }
+
                 // Start thread
                 log::debug!("Starting sync thread for {email:?}");
                 let thread_id =