Added Service Host project

.github/workflows/dotnet.yml

@@ -0,0 +1,64 @@
+# This workflow will build a .NET project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net
+
+name: .NET
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 7.0.x
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --configuration Release --no-restore
+    - name: Publish ReadyToRun
+      run: dotnet publish ImageCompressor\ImageCompressor.csproj -c Release -r win-x64 /p:AssemblyVersion=1.0.${{ github.run_number }} /p:FileVersion=1.0.${{ github.run_number }} /p:SelfContained=true /p:PublishReadyToRun=true /p:PublishSingleFile=true -o out
+    - name: Compress ReadyToRun
+      run: Compress-Archive out\ImageCompressor.exe ImageCompressor_ReadyToRun_v1.0.${{ github.run_number }}.zip
+    - name: Publish Service ReadyToRun
+      run: dotnet publish ImageCompressor.Service\ImageCompressor.Service.csproj -c Release -r win-x64 /p:AssemblyVersion=1.0.${{ github.run_number }} /p:FileVersion=1.0.${{ github.run_number }} /p:SelfContained=true /p:PublishReadyToRun=true /p:PublishSingleFile=true -o out.Service
+    - name: Compress Service ReadyToRun
+      run: Compress-Archive out.Service\ImageCompressor.Service.exe ImageCompressor.Service_ReadyToRun_v1.0.${{ github.run_number }}.zip
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: v1.0.${{ github.run_number }}
+        release_name: v1.0.${{ github.run_number }}
+        draft: false
+        prerelease: true
+    - name: Upload ReadyToRun
+      id: upload-release-asset 
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+        asset_path: ImageCompressor_ReadyToRun_v1.0.${{ github.run_number }}.zip
+        asset_name: ImageCompressor_ReadyToRun_v1.0.${{ github.run_number }}.zip
+        asset_content_type: application/zip
+    - name: Upload ReadyToRun Service
+      id: upload-release-asset2
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }} # This pulls from the CREATE RELEASE step above, referencing it's ID to get its outputs object, which include a `upload_url`. See this blog post for more info: https://jasonet.co/posts/new-features-of-github-actions/#passing-data-to-future-steps 
+        asset_path: ImageCompressor.Service_ReadyToRun_v1.0.${{ github.run_number }}.zip
+        asset_name: ImageCompressor.Service_ReadyToRun_v1.0.${{ github.run_number }}.zip
+        asset_content_type: application/zip

.gitignore

@@ -360,4 +360,7 @@ MigrationBackup/
 .ionide/
 
 # Fody - auto-generated XML schema
-FodyWeavers.xsd
+FodyWeavers.xsd
+
+#Rider
+.idea/

ImageCompressor.Service/CompressionTasks.cs

@@ -0,0 +1,9 @@
+namespace ImageCompressor.Service;
+
+public class CompressionTasks
+{
+    public string Name { get; set; }
+    public TimeSpan InitialDelay { get; set; } = TimeSpan.FromSeconds(1);
+    public TimeSpan Period { get; set; } = TimeSpan.FromMinutes(5);
+    public CompressImagesSettings CompressionSettings { get; set; }
+}

ImageCompressor.Service/ImageCompressor.Service.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk.Worker">
+
+    <PropertyGroup>
+        <TargetFramework>net7.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UserSecretsId>dotnet-ImageCompressor.Service-303BD63E-8769-4D93-8BD9-EB337757F14E</UserSecretsId>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.1" />
+        <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="7.0.1" />
+        <PackageReference Include="Serilog" Version="2.11.0" />
+        <PackageReference Include="Serilog.AspNetCore" Version="6.0.1" />
+        <PackageReference Include="Serilog.Sinks.Console" Version="4.0.1" />
+        <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
+        <PackageReference Include="System.Reactive" Version="6.0.0" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\ImageCompressor\ImageCompressor.csproj" />
+    </ItemGroup>
+</Project>

ImageCompressor.Service/Program.cs

@@ -0,0 +1,26 @@
+using ImageCompressor;
+using ImageCompressor.Service;
+using Microsoft.Extensions.Options;
+using Serilog;
+
+var configuration = new ConfigurationBuilder()
+    .SetBasePath(Directory.GetCurrentDirectory())
+    .AddJsonFile("appsettings.json")
+    .AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production"}.json", true)
+    .Build();
+
+IHost host = Host.CreateDefaultBuilder(args)
+    .ConfigureServices(services =>
+    {
+        services.AddOptions<SettingsRoot>()
+            .BindConfiguration("Settings") // 👈 Bind the section
+            .ValidateDataAnnotations() // 👈 Enable validation
+            .ValidateOnStart(); // 👈 Validate on app start
+        services.AddSingleton(resolver => resolver.GetRequiredService<IOptions<SettingsRoot>>().Value);
+    })
+    .ConfigureServices(services => { services.AddHostedService<Worker>(); })
+    .UseSerilog((context, loggerConfiguration) => loggerConfiguration.ReadFrom.Configuration(configuration))
+    .UseWindowsService()
+    .Build();
+
+host.Run();

ImageCompressor.Service/Properties/launchSettings.json

@@ -0,0 +1,11 @@
+{
+  "profiles": {
+    "ImageCompressor.Service": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "environmentVariables": {
+        "DOTNET_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

ImageCompressor.Service/SettingsRoot.cs

@@ -0,0 +1,6 @@
+namespace ImageCompressor.Service;
+
+public class SettingsRoot
+{
+    public List<CompressionTasks> CompressionTasks { get; set; } = new ();
+}

ImageCompressor.Service/Worker.cs

@@ -0,0 +1,67 @@
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
+
+namespace ImageCompressor.Service;
+
+public class Worker : BackgroundService
+{
+    protected virtual void Dispose(bool disposing)
+    {
+        if (disposing)
+        {
+            disposables.Dispose();
+        }
+    }
+
+    public sealed override void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    private readonly ILogger<Worker> logger;
+    private readonly SettingsRoot settings;
+
+    private readonly CompositeDisposable disposables = new();
+
+    public Worker(ILogger<Worker> logger, SettingsRoot settings)
+    {
+        this.logger = logger;
+        this.settings = settings;
+    }
+
+    public override Task StartAsync(CancellationToken cancellationToken)
+    {
+        foreach (var task in settings.CompressionTasks)
+        {
+            logger.LogInformation("Setting up task {TaskName}...", task.Name);
+            var validationResult = task.CompressionSettings.Validate();
+            logger.LogInformation("Validation result: {ValidationResult}: {ValidationMessage}", validationResult.Successful, validationResult.Message);
+            if (validationResult.Successful)
+            {
+                var subscrition = Observable.Timer(task.InitialDelay, task.Period)
+                    .Do(_ => logger.LogInformation("Executing task {TaskName}", task.Name))
+                    .Do(_ => (new CompressImagesCommand()).ExecuteEmbedded(logger, task.CompressionSettings))
+                    .Retry()
+                    .Subscribe(_ => {}, exception => logger.LogError(exception, "Error while executing task {TaskName}", task.Name));
+                disposables.Add(subscrition);
+
+            }
+        }
+        return base.StartAsync(cancellationToken);
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            await Task.Delay(-1, stoppingToken);
+        }
+    }
+
+    public override Task StopAsync(CancellationToken cancellationToken)
+    {
+        disposables?.Dispose();
+        return base.StopAsync(cancellationToken);
+    }
+}

ImageCompressor.Service/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}

ImageCompressor.Service/appsettings.json

@@ -0,0 +1,32 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "Serilog": {
+    "Using":  [ "Serilog.Sinks.Console", "Serilog.Sinks.File" ],
+    "MinimumLevel": "Debug",
+    "WriteTo": [
+      { "Name": "Console" },
+      { "Name": "File", "Args": { "path": "Logs/log.txt" } }
+    ]
+  },
+  "Settings": {
+    "CompressionTasks": [
+      {
+        "Name": "Compress",
+        "CompressionSettings": {
+          "SourcePath": "C:\\temp\\pictures",
+          "TargetPath": "C:\\temp\\pictures\\out",
+          "DeleteOriginal": true,
+          "OverwriteExisting": true,
+          "IncludeSubDirectories": true,
+          "OutMode": "Jpeg",
+          "MinAgeInDays": 30
+        }
+      }
+    ]
+  }
+}

ImageCompressor.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 17.0.31808.319
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageCompressor", "ImageCompressor\ImageCompressor.csproj", "{E765A8FD-5F91-4AC8-A05E-08E4EAD5FA49}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImageCompressor.Service", "ImageCompressor.Service\ImageCompressor.Service.csproj", "{C5679F38-15C9-4FDE-83AC-0B86B7458979}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{E765A8FD-5F91-4AC8-A05E-08E4EAD5FA49}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E765A8FD-5F91-4AC8-A05E-08E4EAD5FA49}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E765A8FD-5F91-4AC8-A05E-08E4EAD5FA49}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C5679F38-15C9-4FDE-83AC-0B86B7458979}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C5679F38-15C9-4FDE-83AC-0B86B7458979}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C5679F38-15C9-4FDE-83AC-0B86B7458979}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C5679F38-15C9-4FDE-83AC-0B86B7458979}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ImageCompressor/CompressImagesCommand.cs

@@ -5,13 +5,44 @@
 using System.IO;
 using System.Linq;
 using ImageCompressor.Compressors;
+using Microsoft.Extensions.Logging;
 using Spectre.Console.Cli;
 using Spectre.Console;
 
 namespace ImageCompressor;
 
-internal sealed class CompressImagesCommand : Command<CompressImagesSettings>
+public sealed class CompressImagesCommand : Command<CompressImagesSettings>
 {
+    public void ExecuteEmbedded(ILogger logger, [NotNull] CompressImagesSettings settings)
+    {
+        logger?.LogInformation($"Compressing {settings.SearchPattern} files to {settings.OutMode}");
+        if (settings.SampleRatio is < 1)
+            logger?.LogInformation($"sampeling {settings.SampleRatio * 100} %");
+        logger?.LogInformation($"\tfrom {settings.GetSourcePath()}");
+        logger?.LogInformation($"\tto   {settings.GetTargetPath()}");
+
+        var stopwatch = Stopwatch.StartNew();
+
+        var results = ConvertFiles(settings);
+
+        var originalSize = results.Where(r => r.Result == Result.Success).Sum(r => r.OriginalSize);
+        var compressedSize = results.Where(r => r.Result == Result.Success).Sum(r => r.CompressedSize);
+
+        logger?.LogInformation($"Converted {results.Count(r => r.Result == Result.Success):N0} {settings.SearchPattern} files in {stopwatch.Elapsed}.");
+        logger?.LogInformation($"Reduced size from {originalSize >> 20} to {(compressedSize >> 20)} MiB: {(compressedSize * 100.0 / (originalSize + 0.1)):N1} %.");
+        if (results.Any(r => r.Result == Result.Skipped))
+        {
+            logger?.LogInformation($"{results.Count(r => r.Result == Result.Skipped)} files already existed and were skipped.");
+        }
+        if (results.Any(r => r.Result == Result.Failed))
+        {
+            logger?.LogError($"Error: {results.Count(r => r.Result == Result.Failed)} files could not be compressed:");
+            foreach (var res in results.Where(r => r.Result == Result.Failed).Take(50))
+            {
+                logger?.LogInformation($"{res.Path}: {res.ErrorMessage}");
+            }
+        }
+    }
     public override int Execute([NotNull] CommandContext context, [NotNull] CompressImagesSettings settings)
     {
         AnsiConsole.WriteLine();
@@ -93,6 +124,16 @@ private List<ConversionResult> ConvertFiles(CompressImagesSettings settings)
         var files = new DirectoryInfo(settings.GetSourcePath())
             .EnumerateFiles(settings.SearchPattern, settings.IncludeSubDirectories ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
 
+        if (settings.MinAgeInDays != null)
+        {
+            files = files.Where(f => f.CreationTimeUtc <= DateTime.UtcNow.AddDays(-settings.MinAgeInDays.Value));
+        }
+
+        if (settings.MaxAgeInDays != null)
+        {
+            files = files.Where(f => f.CreationTimeUtc >= DateTime.UtcNow.AddDays(-settings.MaxAgeInDays.Value));
+        }
+
         if (settings.SampleRatio is < 1)
         {
             var rand = new Random();

ImageCompressor/CompressImagesSettings.cs

@@ -43,7 +43,7 @@ public enum OutputMode
     [Description("Number of concurrent compressions (default: [white]4[/])")]
     [CommandOption("--parallel")]
     [DefaultValue(4)]
-    public int Parallel { get; init; }
+    public int Parallel { get; init; } = 4;
 
     [Description("Quality used for output\r\ndefault: [white]98[/] for Jpeg, [white]4[/] for Brotli)")]
     [CommandOption("-q|--quality")]
@@ -65,6 +65,13 @@ public enum OutputMode
     [Description("Path to store images. Defaults to [[sourcePath]].")]
     [CommandArgument(1, "[targetPath]")]
     public string? TargetPath { get; init; }
+
+    [Description("Minimal age in days of files to process - exclude files younger than n days")]
+    [CommandOption("--minage")]
+    public int? MinAgeInDays { get; init; }
+    [Description("Maximal age in days of files to process - exclude files older than n days")]
+    [CommandOption("--maxage")]
+    public int? MaxAgeInDays { get; init; }
 
     public string GetSourcePath() => Path.GetFullPath(SourcePath ?? Directory.GetCurrentDirectory());
     public string GetTargetPath() => Path.GetFullPath(TargetPath ?? SourcePath ?? Directory.GetCurrentDirectory());

ImageCompressor/ImageCompressor.csproj

@@ -7,6 +7,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
+		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
 		<PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
 		<PackageReference Include="Spectre.Console" Version="0.45.0" />
 		<PackageReference Include="Spectre.Console.Cli" Version="0.45.0" />