Add shutdown command to gracefully stop running daemons

Signed-off-by: trivernis <trivernis@protonmail.com>

mediarepo-api/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mediarepo-api"
-version = "0.24.2"
+version = "0.25.0"
 edition = "2018"
 license = "gpl-3"
 

mediarepo-api/src/client_api/mod.rs

@@ -111,9 +111,22 @@ impl ApiClient {
         Ok(res.payload::<InfoResponse>()?)
     }
 
+    /// Shuts down the daemon that the client is connected to.
+    #[tracing::instrument(level = "debug", skip(self))]
+    pub async fn shutdown_daemon(&self) -> ApiResult<()> {
+        self.ctx
+            .acquire()
+            .emit("shutdown", ())
+            .await_reply()
+            .with_timeout(Duration::from_secs(5))
+            .await?;
+        Ok(())
+    }
+
     #[tracing::instrument(level = "debug", skip(self))]
     pub async fn exit(self) -> ApiResult<()> {
         let ctx = (*self.ctx.acquire()).clone();
+
         ctx.stop().await?;
         Ok(())
     }

mediarepo-api/src/tauri_plugin/commands/repo.rs

@@ -140,6 +140,11 @@ pub async fn close_local_repository(
     let mut active_repo = app_state.active_repo.write().await;
 
     if let Some(path) = mem::take(&mut *active_repo).and_then(|r| r.path) {
+        if let Ok(api) = api_state.api().await {
+            if let Err(e) = api.shutdown_daemon().await {
+                tracing::error!("failed to ask the daemon to shut down daemon {:?}", e);
+            }
+        }
         app_state.stop_running_daemon(&path).await?;
     }
     api_state.disconnect().await;