Update README.md with project details, features, requirements, architecture, and data management for PLib video library manager.

2026-08-08 07:08:43 +03:00
parent e767e4a48c
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+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using PLib.Desktop.Imaging;
+using PLib.Desktop.Services;
+using PLib.Desktop.ViewModels;
+using PLib.Infrastructure;
+using PLib.Infrastructure.Storage;
+using Serilog;
+
+namespace PLib.Desktop;
+
+/// <summary>
+/// Composition root. Everything the application is made of is wired up here and nowhere else.
+/// </summary>
+internal static class AppHost
+{
+    public static IHost Create(string[] args)
+    {
+        // The paths are needed to locate the user settings file, which is itself a
+        // configuration source — so they are built before the container exists and then
+        // handed to it as an instance.
+        var paths = new AppPaths();
+
+        // A desktop app is launched from arbitrary working directories, so the content root
+        // has to be the folder the executable lives in rather than Environment.CurrentDirectory.
+        var builder = Host.CreateApplicationBuilder(new HostApplicationBuilderSettings
+        {
+            Args = args,
+            ContentRootPath = AppContext.BaseDirectory,
+        });
+
+        builder.Configuration.AddJsonFile(
+            Path.Combine(paths.DataDirectory, "settings.json"),
+            optional: true,
+            reloadOnChange: true);
+
+        ConfigureLogging(builder, paths);
+
+        builder.Services.AddSingleton<IAppPaths>(paths);
+        builder.Services.AddPLibInfrastructure(builder.Configuration);
+
+        builder.Services.AddSingleton<ThumbnailCache>();
+        builder.Services.AddSingleton<IThumbnailLoader>(sp => sp.GetRequiredService<ThumbnailCache>());
+        builder.Services.AddSingleton<ILibrarySettingsStore, JsonLibrarySettingsStore>();
+        builder.Services.AddSingleton<IFolderPicker, StorageProviderFolderPicker>();
+        builder.Services.AddSingleton<ISystemShell, SystemShell>();
+        builder.Services.AddSingleton<IThemeService, ThemeService>();
+        builder.Services.AddSingleton<MainWindowViewModel>();
+
+        return builder.Build();
+    }
+
+    private static void ConfigureLogging(HostApplicationBuilder builder, IAppPaths paths)
+    {
+        Log.Logger = new LoggerConfiguration()
+            .MinimumLevel.Information()
+            .WriteTo.Console()
+            .WriteTo.File(
+                Path.Combine(paths.DataDirectory, "logs", "plib-.log"),
+                rollingInterval: RollingInterval.Day,
+                retainedFileCountLimit: 7)
+            .CreateLogger();
+
+        builder.Logging.ClearProviders();
+        builder.Logging.AddSerilog(Log.Logger, dispose: true);
+    }
+}