From f0c9e4707a35165f2e54866e919afa58334527eb Mon Sep 17 00:00:00 2001
From: ALEZ-DEV <raidersfocus@gmail.com>
Date: Wed, 6 Nov 2024 19:50:21 +0100
Subject: [PATCH] can now see the download speed

---
 .../lib/models/game.dart                      | 28 +++++++++++++------
 .../lib/widgets/steps/game_steps_widget.dart  |  5 ++--
 2 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/babylonia_terminal_launcher/lib/models/game.dart b/babylonia_terminal_launcher/lib/models/game.dart
index ea74752..7af9d6b 100644
--- a/babylonia_terminal_launcher/lib/models/game.dart
+++ b/babylonia_terminal_launcher/lib/models/game.dart
@@ -22,20 +22,16 @@ class Game with ChangeNotifier {
 
   Int64 currentProgress = Int64(0);
   Int64 maxProgress = Int64(0);
+  Int64 currentSpeed = Int64(0);
 
   Future startInstallation(GameStateProvider gameState, bool isUpdating) async {
     StartGameInstallation(isUpdating: isUpdating).sendSignalToRust();
     gameInstallationState = GameInstallationState.checkingFile;
     notifyListeners();
 
-    //final downloadStream = NotifyGameStartDownloading.rustSignalStream;
-    //await for (final _ in downloadStream) {
-    //  gameInstallationState = GameInstallationState.downloading;
-    //  notifyListeners();
-    //  break;
-    //}
-
     final downloadProgresStream = GameInstallationProgress.rustSignalStream;
+    DateTime waitUntil = DateTime.now().add(const Duration(seconds: 1));
+    Int64 lastProgress = Int64(0);
     await for (final rustSignal in downloadProgresStream) {
       if (gameInstallationState == GameInstallationState.checkingFile) {
         gameInstallationState = GameInstallationState.downloading;
@@ -43,7 +39,22 @@ class Game with ChangeNotifier {
 
       currentProgress = rustSignal.message.current;
       maxProgress = rustSignal.message.max;
-      print("progress current : $currentProgress / $maxProgress");
+
+      if (waitUntil.isBefore(DateTime.now())) {
+        if (currentSpeed == 0) {
+          currentSpeed = currentProgress;
+          lastProgress = currentProgress;
+        } else {
+          currentSpeed = currentProgress - lastProgress;
+          lastProgress = currentProgress;
+          print('currentProgress -> $currentProgress');
+          print('lastProgress -> $lastProgress');
+          print('currentSpeed -> ${currentSpeed.toInt() / 1048576} MiB/s');
+        }
+
+        waitUntil = DateTime.now().add(Duration(seconds: 1));
+      }
+
       notifyListeners();
 
       if (currentProgress >= maxProgress) {
@@ -51,7 +62,6 @@ class Game with ChangeNotifier {
       }
     }
 
-    print("patching game...");
     gameInstallationState = GameInstallationState.patching;
     notifyListeners();
 
diff --git a/babylonia_terminal_launcher/lib/widgets/steps/game_steps_widget.dart b/babylonia_terminal_launcher/lib/widgets/steps/game_steps_widget.dart
index 34f5d4b..5b572ac 100644
--- a/babylonia_terminal_launcher/lib/widgets/steps/game_steps_widget.dart
+++ b/babylonia_terminal_launcher/lib/widgets/steps/game_steps_widget.dart
@@ -107,9 +107,10 @@ class _DownloadingGame extends StatelessWidget {
     final provider = Provider.of<Game>(context);
     final pourcent =
         (provider.currentProgress.toInt() / provider.maxProgress.toInt()) * 100;
-    //1024^3 = 1073741824 
+    //1024^3 = 1073741824
     final currentGb = provider.currentProgress.toInt() / 1073741824;
     final maxGb = provider.maxProgress.toInt() / 1073741824;
+    final currentSpeed = provider.currentSpeed.toInt() / 1048576;
 
     return Padding(
       padding: const EdgeInsets.only(bottom: 40.0),
@@ -119,7 +120,7 @@ class _DownloadingGame extends StatelessWidget {
           Padding(
             padding: const EdgeInsets.only(bottom: 8.0),
             child: Text(
-              "${currentGb.toStringAsFixed(2)} / ${maxGb.toStringAsFixed(2)} GiB (${pourcent.toStringAsFixed(2)}%)",
+              "${currentGb.toStringAsFixed(2)} / ${maxGb.toStringAsFixed(2)} GiB (${pourcent.toStringAsFixed(2)}%) - ${currentSpeed.toStringAsFixed(2)}MiB/s",
             ),
           ),
           YaruLinearProgressIndicator(