Add SystemManager service

1 files changed, 108 insertions, 0 deletions

diff --git a/Emby.Server.Implementations/SystemManager.cs b/Emby.Server.Implementations/SystemManager.cs
new file mode 100644
index 000000000..5e9c424e9
--- /dev/null
+++ b/Emby.Server.Implementations/SystemManager.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Updates;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Model.System;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Hosting;
+
+namespace Emby.Server.Implementations;
+
+/// <inheritdoc />
+public class SystemManager : ISystemManager
+{
+    private readonly IHostApplicationLifetime _applicationLifetime;
+    private readonly IServerApplicationHost _applicationHost;
+    private readonly IServerApplicationPaths _applicationPaths;
+    private readonly IServerConfigurationManager _configurationManager;
+    private readonly IStartupOptions _startupOptions;
+    private readonly IInstallationManager _installationManager;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SystemManager"/> class.
+    /// </summary>
+    /// <param name="applicationLifetime">Instance of <see cref="IHostApplicationLifetime"/>.</param>
+    /// <param name="applicationHost">Instance of <see cref="IServerApplicationHost"/>.</param>
+    /// <param name="applicationPaths">Instance of <see cref="IServerApplicationPaths"/>.</param>
+    /// <param name="configurationManager">Instance of <see cref="IServerConfigurationManager"/>.</param>
+    /// <param name="startupOptions">Instance of <see cref="IStartupOptions"/>.</param>
+    /// <param name="installationManager">Instance of <see cref="IInstallationManager"/>.</param>
+    public SystemManager(
+        IHostApplicationLifetime applicationLifetime,
+        IServerApplicationHost applicationHost,
+        IServerApplicationPaths applicationPaths,
+        IServerConfigurationManager configurationManager,
+        IStartupOptions startupOptions,
+        IInstallationManager installationManager)
+    {
+        _applicationLifetime = applicationLifetime;
+        _applicationHost = applicationHost;
+        _applicationPaths = applicationPaths;
+        _configurationManager = configurationManager;
+        _startupOptions = startupOptions;
+        _installationManager = installationManager;
+    }
+
+    private bool CanLaunchWebBrowser => Environment.UserInteractive
+        && !_startupOptions.IsService
+        && (OperatingSystem.IsWindows() || OperatingSystem.IsMacOS());
+
+    /// <inheritdoc />
+    public SystemInfo GetSystemInfo(HttpRequest request)
+    {
+        return new SystemInfo
+        {
+            HasPendingRestart = _applicationHost.HasPendingRestart,
+            IsShuttingDown = _applicationLifetime.ApplicationStopping.IsCancellationRequested,
+            Version = _applicationHost.ApplicationVersionString,
+            WebSocketPortNumber = _applicationHost.HttpPort,
+            CompletedInstallations = _installationManager.CompletedInstallations.ToArray(),
+            Id = _applicationHost.SystemId,
+            ProgramDataPath = _applicationPaths.ProgramDataPath,
+            WebPath = _applicationPaths.WebPath,
+            LogPath = _applicationPaths.LogDirectoryPath,
+            ItemsByNamePath = _applicationPaths.InternalMetadataPath,
+            InternalMetadataPath = _applicationPaths.InternalMetadataPath,
+            CachePath = _applicationPaths.CachePath,
+            CanLaunchWebBrowser = CanLaunchWebBrowser,
+            TranscodingTempPath = _configurationManager.GetTranscodePath(),
+            ServerName = _applicationHost.FriendlyName,
+            LocalAddress = _applicationHost.GetSmartApiUrl(request),
+            SupportsLibraryMonitor = true,
+            PackageName = _startupOptions.PackageName
+        };
+    }
+
+    /// <inheritdoc />
+    public PublicSystemInfo GetPublicSystemInfo(HttpRequest request)
+    {
+        return new PublicSystemInfo
+        {
+            Version = _applicationHost.ApplicationVersionString,
+            ProductName = _applicationHost.Name,
+            Id = _applicationHost.SystemId,
+            ServerName = _applicationHost.FriendlyName,
+            LocalAddress = _applicationHost.GetSmartApiUrl(request),
+            StartupWizardCompleted = _configurationManager.CommonConfiguration.IsStartupWizardCompleted
+        };
+    }
+
+    /// <inheritdoc />
+    public void Restart() => ShutdownInternal(true);
+
+    /// <inheritdoc />
+    public void Shutdown() => ShutdownInternal(false);
+
+    private void ShutdownInternal(bool restart)
+    {
+        Task.Run(async () =>
+        {
+            await Task.Delay(100).ConfigureAwait(false);
+            _applicationHost.ShouldRestart = restart;
+            _applicationLifetime.StopApplication();
+        });
+    }
+}