feat: Refresh statistics (#228)

* feat: fetch stats every 5 minutes and ping front with received information

* feat: update front on stats reception

* style: format code

* fix: Add comment

---------

Co-authored-by: GeckoEidechse <40122905+GeckoEidechse@users.noreply.github.com>

3 files changed, 21 insertions, 2 deletions

diff --git a/src-tauri/src/constants.rs b/src-tauri/src/constants.rs
index 57a10e02..7b13206a 100644
--- a/src-tauri/src/constants.rs
+++ b/src-tauri/src/constants.rs
@@ -1,6 +1,6 @@
 // This file stores various global constants values
-
 use const_format::concatcp;
+use std::time::Duration;
 
 // FlightCore user agent for web requests
 pub const APP_USER_AGENT: &str = concatcp!("FlightCore/", env!("CARGO_PKG_VERSION"));
@@ -34,3 +34,6 @@ pub const PULLS_API_ENDPOINT_LAUNCHER: &str =
     "https://api.github.com/repos/R2Northstar/NorthstarLauncher/pulls";
 pub const PULLS_API_ENDPOINT_MODS: &str =
     "https://api.github.com/repos/R2Northstar/NorthstarMods/pulls";
+
+// Statistics (players and servers counts) refresh delay
+pub const REFRESH_DELAY: Duration = Duration::from_secs(5 * 60);
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index d2f7951d..d5fef9cb 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -10,7 +10,7 @@ use std::{
 };
 
 use app::{
-    constants::{APP_USER_AGENT, MASTER_SERVER_URL, SERVER_BROWSER_ENDPOINT},
+    constants::{APP_USER_AGENT, MASTER_SERVER_URL, REFRESH_DELAY, SERVER_BROWSER_ENDPOINT},
     *,
 };
 
@@ -96,6 +96,17 @@ fn main() {
                 }
             });
 
+            // Emit updated player and server count to GUI
+            let app_handle = app.app_handle();
+            tauri::async_runtime::spawn(async move {
+                loop {
+                    sleep(REFRESH_DELAY).await;
+                    app_handle
+                        .emit_all("northstar-statistics", get_server_player_count().await)
+                        .unwrap();
+                }
+            });
+
             Ok(())
         })
         .manage(Counter(Default::default()))
diff --git a/src-vue/src/plugins/store.ts b/src-vue/src/plugins/store.ts
index 8671d12b..d5b7c5d8 100644
--- a/src-vue/src/plugins/store.ts
+++ b/src-vue/src/plugins/store.ts
@@ -455,6 +455,11 @@ function _initializeListeners(state: any) {
     listen("northstar-running-ping", function (evt: TauriEvent<any>) {
         state.northstar_is_running = evt.payload as boolean;
     });
+
+    listen("northstar-statistics", function (evt: TauriEvent<{Ok: [number, number]}>) {
+        state.player_count = evt.payload.Ok[0];
+        state.server_count = evt.payload.Ok[1];
+    });
 }
 
 /**