Add Api and startup check for sufficient storage capacity (#13888)

Emby.Server.Implementations/SystemManager.cs

@@ -1,9 +1,12 @@
+using System;
 using System.Linq;
 using System.Threading.Tasks;
+using Jellyfin.Server.Implementations.StorageHelpers;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.System;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Hosting;
@@ -19,6 +22,7 @@ public class SystemManager : ISystemManager
     private readonly IServerConfigurationManager _configurationManager;
     private readonly IStartupOptions _startupOptions;
     private readonly IInstallationManager _installationManager;
+    private readonly ILibraryManager _libraryManager;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="SystemManager"/> class.
@@ -29,13 +33,15 @@ public class SystemManager : ISystemManager
     /// <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>
+    /// <param name="libraryManager">Instance of <see cref="ILibraryManager"/>.</param>
     public SystemManager(
         IHostApplicationLifetime applicationLifetime,
         IServerApplicationHost applicationHost,
         IServerApplicationPaths applicationPaths,
         IServerConfigurationManager configurationManager,
         IStartupOptions startupOptions,
-        IInstallationManager installationManager)
+        IInstallationManager installationManager,
+        ILibraryManager libraryManager)
     {
         _applicationLifetime = applicationLifetime;
         _applicationHost = applicationHost;
@@ -43,6 +49,7 @@ public class SystemManager : ISystemManager
         _configurationManager = configurationManager;
         _startupOptions = startupOptions;
         _installationManager = installationManager;
+        _libraryManager = libraryManager;
     }
 
     /// <inheritdoc />
@@ -57,6 +64,7 @@ public class SystemManager : ISystemManager
             WebSocketPortNumber = _applicationHost.HttpPort,
             CompletedInstallations = _installationManager.CompletedInstallations.ToArray(),
             Id = _applicationHost.SystemId,
+#pragma warning disable CS0618 // Type or member is obsolete
             ProgramDataPath = _applicationPaths.ProgramDataPath,
             WebPath = _applicationPaths.WebPath,
             LogPath = _applicationPaths.LogDirectoryPath,
@@ -64,6 +72,7 @@ public class SystemManager : ISystemManager
             InternalMetadataPath = _applicationPaths.InternalMetadataPath,
             CachePath = _applicationPaths.CachePath,
             TranscodingTempPath = _configurationManager.GetTranscodePath(),
+#pragma warning restore CS0618 // Type or member is obsolete
             ServerName = _applicationHost.FriendlyName,
             LocalAddress = _applicationHost.GetSmartApiUrl(request),
             StartupWizardCompleted = _configurationManager.CommonConfiguration.IsStartupWizardCompleted,
@@ -73,6 +82,29 @@ public class SystemManager : ISystemManager
         };
     }
 
+    /// <inheritdoc/>
+    public SystemStorageInfo GetSystemStorageInfo()
+    {
+        var virtualFolderInfos = _libraryManager.GetVirtualFolders().Select(e => new LibraryStorageInfo()
+        {
+            Id = Guid.Parse(e.ItemId),
+            Name = e.Name,
+            Folders = e.Locations.Select(f => StorageHelper.GetFreeSpaceOf(f)).ToArray()
+        });
+
+        return new SystemStorageInfo()
+        {
+            ProgramDataFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.ProgramDataPath),
+            WebFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.WebPath),
+            LogFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.LogDirectoryPath),
+            ImageCacheFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.ImageCachePath),
+            InternalMetadataFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.InternalMetadataPath),
+            CacheFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.CachePath),
+            TranscodingTempFolder = StorageHelper.GetFreeSpaceOf(_configurationManager.GetTranscodePath()),
+            Libraries = virtualFolderInfos.ToArray()
+        };
+    }
+
     /// <inheritdoc />
     public PublicSystemInfo GetPublicSystemInfo(HttpRequest request)
     {