From 6bbe0d7e090538179cb5ff6863b37a1f3e28ae27 Mon Sep 17 00:00:00 2001
From: Alek-ban <alek.kovkov124@gmail.com>
Date: Thu, 26 Feb 2026 07:50:15 +0300
Subject: [PATCH] feat: ImageStorageService

---
 GSS2.Core/DependencyInjectionHelper.cs    | 11 ++++
 GSS2.Core/Hardware/ImageStorageService.cs | 78 +++++++++++++++++++++++
 GSS2.Test/PropgramUi.cs                   |  1 +
 3 files changed, 90 insertions(+)
 create mode 100644 GSS2.Core/Hardware/ImageStorageService.cs

diff --git a/GSS2.Core/DependencyInjectionHelper.cs b/GSS2.Core/DependencyInjectionHelper.cs
index 1f0a858..ef04319 100644
--- a/GSS2.Core/DependencyInjectionHelper.cs
+++ b/GSS2.Core/DependencyInjectionHelper.cs
@@ -3,6 +3,7 @@ using Microsoft.IdentityModel.Protocols.Configuration;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+
 using GSS2.Core.Hardware;
 using GSS2.Core.Analysis.AmineContent.Database;
 
@@ -76,6 +77,16 @@ public static class DependencyInjectionHelper
         );
     public static IServiceCollection AddComputeResourcesService(this IServiceCollection services) => services
         .AddSingleton<ComputeResourcesService>();
+    public static IServiceCollection AddImageStorageService(this IServiceCollection services, DirectoryInfo rootDirectory) => services
+        .AddSingleton<ImageStorageService>(
+            serviceProvider =>
+            {
+                var logger = serviceProvider.GetService<ILogger<ImageStorageService>>();
+                if (logger is null)
+                    throw new Exception("Cannot get logger");
+                return new ImageStorageService(logger, rootDirectory);
+            }
+        );
 
     public static IServiceCollection AddAmineContentCalibrationContext(this IServiceCollection services, IConfigurationManager configuration) => services
         .AddDbContext<AmineContentCalibrationContext>(
diff --git a/GSS2.Core/Hardware/ImageStorageService.cs b/GSS2.Core/Hardware/ImageStorageService.cs
new file mode 100644
index 0000000..018ff3e
--- /dev/null
+++ b/GSS2.Core/Hardware/ImageStorageService.cs
@@ -0,0 +1,78 @@
+using Microsoft.Extensions.Logging;
+
+namespace GSS2.Core.Hardware;
+
+public class ImageStorageService
+{
+    private readonly ILogger<ImageStorageService> _logger;
+    private readonly DirectoryInfo _rootDirectory;
+
+    public ImageStorageService(ILogger<ImageStorageService> logger, DirectoryInfo rootDirectory)
+    {
+        _logger = logger;
+        _logger.LogInformation("Initialization");
+
+        _rootDirectory = rootDirectory;
+        if (!_rootDirectory.Exists)
+        {
+            _rootDirectory.Create();
+            _logger.LogInformation("Created directory: {}", _rootDirectory.FullName);
+        }
+
+        _logger.LogInformation("Initialized");
+    }
+
+    public async Task<string> SaveAsync(Stream fileStream, string extension, CancellationToken ct = default)
+    {
+        var fileName = GenerateFileName(extension);
+        var fullPath = GetFullPath(fileName);
+
+        var directory = Path.GetDirectoryName(fullPath)!;
+        Directory.CreateDirectory(directory);
+
+        await using var file = new FileStream(
+            fullPath,
+            FileMode.CreateNew,
+            FileAccess.Write,
+            FileShare.None,
+            81920,
+            useAsync: true);
+
+        await fileStream.CopyToAsync(file, ct);
+
+        _logger.LogInformation("File saved: {FileName}", fileName);
+
+        return fileName;
+    }
+
+    public Stream OpenRead(string fileName)
+    {
+        var fullPath = GetFullPath(fileName);
+        return new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.Read);
+    }
+
+    public bool Delete(string fileName)
+    {
+        var fullPath = GetFullPath(fileName);
+
+        if (!File.Exists(fullPath))
+            return false;
+
+        File.Delete(fullPath);
+        return true;
+    }
+
+    private string GenerateFileName(string extension)
+    {
+        var guid = Guid.NewGuid().ToString("N");
+        return $"{guid}{extension}";
+    }
+
+    public string GetFullPath(string fileName)
+    {
+        var level1 = fileName.Substring(0, 2);
+        var level2 = fileName.Substring(2, 2);
+
+        return Path.Combine(_rootDirectory.FullName, level1, level2, fileName);
+    }
+}
\ No newline at end of file
diff --git a/GSS2.Test/PropgramUi.cs b/GSS2.Test/PropgramUi.cs
index 5e103cf..d5739c1 100644
--- a/GSS2.Test/PropgramUi.cs
+++ b/GSS2.Test/PropgramUi.cs
@@ -71,6 +71,7 @@ public partial class Program
         builder.Services.AddIlluminatorService("Hardware:Illuminator");
         builder.Services.AddCameraService("Hardware:Camera", true);
         builder.Services.AddComputeResourcesService();
+        builder.Services.AddImageStorageService(new DirectoryInfo("images"));
 
         builder.Services.AddViewsAndModels();