successfully restart a game

Delay is needed after stopping a game and before starting it.

#575

apps/PlayniteWebPlugin/src/Models/Release.cs

@@ -6,6 +6,13 @@
 
 namespace PlayniteWeb.Models
 {
+  public enum RunState
+  {
+    Running,
+    Installed,
+    Uninstalled
+  }
+
   public class Release : IIdentifiable
   {
     private readonly Playnite.SDK.Models.Game game;
@@ -23,6 +30,25 @@ public Release(Playnite.SDK.Models.Game game, Platform platform)
       this.platform = platform;
     }
 
+    [DontSerialize]
+    public RunState RunState
+    {
+      get
+      {
+        if (game.IsRunning)
+        {
+          return RunState.Running;
+        }
+        else if (game.IsInstalled)
+        {
+          return RunState.Installed;
+        }
+        else
+        {
+          return RunState.Uninstalled;
+        }
+      }
+    }
     public int? ProcessId { get; set; }
     public Guid Id => game.Id;
     public string Name => game.Name;

apps/PlayniteWebPlugin/src/PlayniteWeb.cs

@@ -285,7 +285,7 @@ public override void OnApplicationStopped(OnApplicationStoppedEventArgs args)
     private void Subscriber_OnRestartRelease(object sender, Release e)
     {
       this.Subscriber_OnStopRelease(sender, e);
-      this.Subscriber_OnStartRelease(sender, e);
+      Task.Delay(3000).ContinueWith(t => this.Subscriber_OnStartRelease(sender, e));
     }
 
     private void Subscriber_OnStopRelease(object sender, Release e)
@@ -295,6 +295,11 @@ private void Subscriber_OnStopRelease(object sender, Release e)
         return;
       }
 
+      if (e.RunState != RunState.Running)
+      {
+        return;
+      }
+
       try
       {
         var gameProcess = Process.GetProcessById(e.ProcessId.Value);
@@ -392,7 +397,11 @@ private void Subscriber_OnStartRelease(object sender, Release release)
       if (!isPcPlatform(release.Platform))
       {
         return;
+      }
 
+      if (release.RunState == RunState.Running)
+      {
+        return;
       }
 
       if (!release.IsInstalled)