Implemented more life cycle handling. Added support for rootless environments

MoonlightServers.Daemon/Extensions/ServerExtensions/ServerDestroyExtensions.cs

@@ -0,0 +1,44 @@
+using Docker.DotNet;
+using MoonlightServers.Daemon.Models;
+using MoonlightServers.DaemonShared.Enums;
+
+namespace MoonlightServers.Daemon.Extensions.ServerExtensions;
+
+public static class ServerDestroyExtensions
+{
+    public static async Task Destroy(this Server server)
+    {
+        // Note: This only destroys the container, it doesn't delete any data
+
+        var dockerClient = server.ServiceProvider.GetRequiredService<DockerClient>();
+        
+        try
+        {
+            var container = await dockerClient.Containers.InspectContainerAsync(
+                server.RuntimeContainerName
+            );
+
+            if (container.State.Running)
+            {
+                // Stop container when running
+
+                await server.NotifyTask(ServerTask.StoppingContainer);
+                
+                await dockerClient.Containers.StopContainerAsync(container.ID, new()
+                {
+                    WaitBeforeKillSeconds = 30 // TODO: Config
+                });
+            }
+
+            await server.NotifyTask(ServerTask.RemovingContainer);
+            await dockerClient.Containers.RemoveContainerAsync(container.ID, new());
+        }
+        catch (DockerContainerNotFoundException){}
+        
+        // Canceling server sub-tasks and recreating cancellation token
+        if (!server.Cancellation.IsCancellationRequested)
+            await server.Cancellation.CancelAsync();
+
+        server.Cancellation = new();
+    }
+}