Toplu indirme ve Eklenti Güncellemesi

src/DownloadManager.BrowserBridge/DownloadManager.BrowserBridge.csproj

@@ -5,6 +5,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <ApplicationIcon>hdm_bridge.ico</ApplicationIcon>
   </PropertyGroup>
 
   <ItemGroup>

src/DownloadManager.BrowserBridge/Program.cs

@@ -61,32 +61,55 @@ class Program
 
     static async Task SendToMainAppAsync(BridgeMessage msg)
     {
+        string logDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "DownloadManager", "logs");
+        if (!Directory.Exists(logDir)) Directory.CreateDirectory(logDir);
+        string logPath = Path.Combine(logDir, "bridge.log");
+
         try
         {
             // Ana uygulamanın çalışıp çalışmadığını kontrol et
             var processes = System.Diagnostics.Process.GetProcessesByName("hDM");
             if (processes.Length == 0)
             {
-                // Uygulama çalışmıyorsa başlat (Yolu bulmaya çalışalım)
-                string appPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "hDM.exe");
+                // Uygulama çalışmıyorsa başlat
+                // Önce kök dizine (proje kökü) çıkıp bin/Debug veya bin/Release kontrolü yapalım
+                string baseDir = AppDomain.CurrentDomain.BaseDirectory;
+                string appPath = Path.Combine(baseDir, "hDM.exe");
                 
-                // Geliştirme ortamı için alternatif yollar
+                // Geliştirme ortamı için alternatifler
                 if (!File.Exists(appPath))
-                    appPath = @"D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\bin\Release\net8.0-windows\hDM.exe";
+                {
+                    // Bridge'den WPF bin klasörüne çıkmaya çalış
+                    var di = new DirectoryInfo(baseDir);
+                    // D:\...\DownloadManager\src\DownloadManager.BrowserBridge\bin\Release\net8.0
+                    // Buradan 4 seviye yukarı çıkarsak src'ye ulaşırız
+                    if (di.Parent?.Parent?.Parent?.Parent != null)
+                    {
+                        string wpfBin = Path.Combine(di.Parent.Parent.Parent.Parent.FullName, "src", "DownloadManager.WPF", "bin", "Debug", "net8.0-windows10.0.19041.0", "hDM.exe");
+                        if (File.Exists(wpfBin)) appPath = wpfBin;
+                        else
+                        {
+                            wpfBin = Path.Combine(di.Parent.Parent.Parent.Parent.FullName, "src", "DownloadManager.WPF", "bin", "Release", "net8.0-windows10.0.19041.0", "hDM.exe");
+                            if (File.Exists(wpfBin)) appPath = wpfBin;
+                        }
+                    }
+                }
 
                 if (File.Exists(appPath))
                 {
-                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(appPath) { UseShellExecute = true });
-                    // Uygulamanın açılması ve pipe'ı başlatması için biraz bekleyelim
+                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(appPath) { UseShellExecute = true, WorkingDirectory = Path.GetDirectoryName(appPath) });
                     await Task.Delay(3000);
                 }
+                else
+                {
+                    File.AppendAllText(logPath, $"{DateTime.Now}: Uygulama bulunamadı: {appPath}\n");
+                }
             }
 
             using var pipe = new NamedPipeClientStream(".", "DownloadManagerPipe",
                 PipeDirection.Out, PipeOptions.Asynchronous);
 
-            // Timeout'u 10 saniyeye çıkaralım (Uygulama yeni açılıyorsa gerekebilir)
-            await pipe.ConnectAsync(10000);
+            await pipe.ConnectAsync(5000);
             
             var json = JsonConvert.SerializeObject(msg);
             var data = Encoding.UTF8.GetBytes(json);
@@ -96,7 +119,7 @@ class Program
         }
         catch (Exception ex)
         {
-            File.AppendAllText("bridge_error.log", $"{DateTime.Now}: Bağlantı hatası ({msg.Url}): {ex.Message}\n");
+            File.AppendAllText(logPath, $"{DateTime.Now}: Bağlantı hatası ({msg.Url}): {ex.Message}\n");
         }
     }
 }

src/DownloadManager.BrowserBridge/bin/Debug/net8.0/DownloadManager.BrowserBridge.deps.json

@@ -0,0 +1,41 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v8.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v8.0": {
+      "DownloadManager.BrowserBridge/1.0.0": {
+        "dependencies": {
+          "Newtonsoft.Json": "13.0.4"
+        },
+        "runtime": {
+          "DownloadManager.BrowserBridge.dll": {}
+        }
+      },
+      "Newtonsoft.Json/13.0.4": {
+        "runtime": {
+          "lib/net6.0/Newtonsoft.Json.dll": {
+            "assemblyVersion": "13.0.0.0",
+            "fileVersion": "13.0.4.30916"
+          }
+        }
+      }
+    }
+  },
+  "libraries": {
+    "DownloadManager.BrowserBridge/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    },
+    "Newtonsoft.Json/13.0.4": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-pdgNNMai3zv51W5aq268sujXUyx7SNdE2bj1wZcWjAQrKMFZV260lbqYop1d2GM67JI1huLRwxo9ZqnfF/lC6A==",
+      "path": "newtonsoft.json/13.0.4",
+      "hashPath": "newtonsoft.json.13.0.4.nupkg.sha512"
+    }
+  }
+}

src/DownloadManager.BrowserBridge/bin/Debug/net8.0/DownloadManager.BrowserBridge.runtimeconfig.json

@@ -0,0 +1,12 @@
+{
+  "runtimeOptions": {
+    "tfm": "net8.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "8.0.0"
+    },
+    "configProperties": {
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
+}

src/DownloadManager.BrowserBridge/manifest.json

@@ -4,6 +4,7 @@
   "path": "D:\\Calismalar\\AI\\hDM\\DownloadManager\\src\\DownloadManager.BrowserBridge\\bin\\Release\\net8.0\\DownloadManager.BrowserBridge.exe",
   "type": "stdio",
   "allowed_origins": [
-    "chrome-extension://gnohncemfbplcagkfdhedbkfaogcoobi/"
+    "chrome-extension://dnpggiajimpjhghjppekgpejplkcbejg",
+    "chrome-extension://gnohncemfbplcagkfdhedbkfaogcoobi"
   ]
 }

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.AssemblyInfo.cs

@@ -0,0 +1,22 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("DownloadManager.BrowserBridge")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
+[assembly: System.Reflection.AssemblyProductAttribute("DownloadManager.BrowserBridge")]
+[assembly: System.Reflection.AssemblyTitleAttribute("DownloadManager.BrowserBridge")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// MSBuild WriteCodeFragment sınıfı tarafından oluşturuldu.
+

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.AssemblyInfoInputs.cache

@@ -0,0 +1 @@
+113565b263fcdda4a4665ee4bb805cc1b4b99e5585e061be924810699276bedd

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.GeneratedMSBuildEditorConfig.editorconfig

@@ -0,0 +1,15 @@
+is_global = true
+build_property.TargetFramework = net8.0
+build_property.TargetPlatformMinVersion = 
+build_property.UsingMicrosoftNETSdkWeb = 
+build_property.ProjectTypeGuids = 
+build_property.InvariantGlobalization = 
+build_property.PlatformNeutralAssembly = 
+build_property.EnforceExtendedAnalyzerRules = 
+build_property._SupportedPlatformList = Linux,macOS,Windows
+build_property.RootNamespace = DownloadManager.BrowserBridge
+build_property.ProjectDir = D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\
+build_property.EnableComHosting = 
+build_property.EnableGeneratedComInterfaceComImportInterop = 
+build_property.EffectiveAnalysisLevelStyle = 8.0
+build_property.EnableCodeStyleSeverity = 

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+5fd99a422a78009cff8ca33e1127d7f18d84d9f6b01faca46a390be79a246ed9

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.csproj.FileListAbsolute.txt

@@ -0,0 +1,17 @@
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\DownloadManager.BrowserBridge.exe
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\DownloadManager.BrowserBridge.deps.json
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\DownloadManager.BrowserBridge.runtimeconfig.json
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\DownloadManager.BrowserBridge.dll
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\DownloadManager.BrowserBridge.pdb
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\bin\Debug\net8.0\Newtonsoft.Json.dll
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.csproj.AssemblyReference.cache
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.GeneratedMSBuildEditorConfig.editorconfig
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.AssemblyInfoInputs.cache
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.AssemblyInfo.cs
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.csproj.CoreCompileInputs.cache
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\Download.A73557B5.Up2Date
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.dll
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\refint\DownloadManager.BrowserBridge.dll
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.pdb
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\DownloadManager.BrowserBridge.genruntimeconfig.cache
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.BrowserBridge\obj\Debug\net8.0\ref\DownloadManager.BrowserBridge.dll

src/DownloadManager.BrowserBridge/obj/Debug/net8.0/DownloadManager.BrowserBridge.genruntimeconfig.cache

@@ -0,0 +1 @@
+55a289d435d94f5304dfb112e526c2c5fd4f8dced6fb87cc465459bf16bab373

src/DownloadManager.BrowserBridge/obj/Release/net8.0/DownloadManager.BrowserBridge.AssemblyInfo.cs

@@ -1,7 +1,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -14,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("DownloadManager.BrowserBridge")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Release")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+81faa715a4eb11a2bf648f52891306b46ea7c256")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
 [assembly: System.Reflection.AssemblyProductAttribute("DownloadManager.BrowserBridge")]
 [assembly: System.Reflection.AssemblyTitleAttribute("DownloadManager.BrowserBridge")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Generated by the MSBuild WriteCodeFragment class.
+// MSBuild WriteCodeFragment sınıfı tarafından oluşturuldu.
 

src/DownloadManager.BrowserBridge/obj/Release/net8.0/DownloadManager.BrowserBridge.AssemblyInfoInputs.cache

@@ -1 +1 @@
-c41154c222d4c9aaf2ac34116ff46b068de5b4633ca984a833d7394a42fc99da
+f0f25ac1863349e31e231b7ddaa3d27d9e23bc3cc9323375791cbf31e36329ff

src/DownloadManager.BrowserBridge/register_bridge.reg

@@ -1,7 +1,9 @@
 Windows Registry Editor Version 5.00
 
+; Google Chrome için Kayıt
 [HKEY_CURRENT_USER\Software\Google\Chrome\NativeMessagingHosts\com.downloadmanager.bridge]
 @="D:\\Calismalar\\AI\\hDM\\DownloadManager\\src\\DownloadManager.BrowserBridge\\manifest.json"
 
+; Microsoft Edge için Kayıt
 [HKEY_CURRENT_USER\Software\Microsoft\Edge\NativeMessagingHosts\com.downloadmanager.bridge]
 @="D:\\Calismalar\\AI\\hDM\\DownloadManager\\src\\DownloadManager.BrowserBridge\\manifest.json"

src/DownloadManager.Core/Data/Repositories/CategoryRepository.cs

@@ -15,4 +15,30 @@ public class CategoryRepository : ICategoryRepository
 
     public async Task<DownloadCategory?> GetByIdAsync(int id) 
         => await _db.Categories.FindAsync(id);
+
+    public async Task AddAsync(DownloadCategory category)
+    {
+        _db.Categories.Add(category);
+        await _db.SaveChangesAsync();
+    }
+
+    public async Task UpdateAsync(DownloadCategory category)
+    {
+        var existing = await _db.Categories.FindAsync(category.Id);
+        if (existing != null)
+        {
+            _db.Entry(existing).CurrentValues.SetValues(category);
+            await _db.SaveChangesAsync();
+        }
+    }
+
+    public async Task DeleteAsync(int id)
+    {
+        var category = await _db.Categories.FindAsync(id);
+        if (category != null)
+        {
+            _db.Categories.Remove(category);
+            await _db.SaveChangesAsync();
+        }
+    }
 }

src/DownloadManager.Core/Data/Repositories/IRepositories.cs

@@ -18,6 +18,9 @@ public interface ICategoryRepository
 {
     Task<IEnumerable<DownloadCategory>> GetAllAsync();
     Task<DownloadCategory?> GetByIdAsync(int id);
+    Task AddAsync(DownloadCategory category);
+    Task UpdateAsync(DownloadCategory category);
+    Task DeleteAsync(int id);
 }
 
 public interface ISettingsRepository

src/DownloadManager.Core/Engine/DownloadEngine.cs

@@ -52,6 +52,25 @@ public class DownloadEngine
 
     private async Task ProcessDownloadAsync(DownloadItem item, CancellationToken ct)
     {
+        // Kuyruktan çıktıktan sonra güncel durumu veritabanından kontrol et
+        using (var scope = _serviceProvider.CreateScope())
+        {
+            var repo = scope.ServiceProvider.GetRequiredService<Data.Repositories.IDownloadRepository>();
+            var latest = await repo.GetByIdAsync(item.Id);
+            
+            if (latest == null || latest.Status == DownloadStatus.Paused)
+            {
+                Serilog.Log.Information("İndirme {Id} duraklatılmış veya artık mevcut değil, işlem iptal edildi.", item.Id);
+                _queue.Release();
+                return;
+            }
+            
+            // Eğer veritabanındaki durum farklıysa (örneğin başka bir yerden güncellendiyse) nesneyi güncelle
+            item.Status = latest.Status;
+            item.SavePath = latest.SavePath;
+            item.FileName = latest.FileName;
+        }
+
         var cts = CancellationTokenSource.CreateLinkedTokenSource(ct);
         _activeDownloads[item.Id] = cts;
 
@@ -73,13 +92,6 @@ public class DownloadEngine
                 item.DownloadedBytes = 0; // Yeni indirme
             }
 
-            // DURAKLATILMIŞSA İŞLEME (Kuyruktan yeni çıktıysa ve o sırada durdurulduysa)
-            if (item.Status == DownloadStatus.Paused)
-            {
-                Serilog.Log.Information("İndirme {Id} duraklatıldı, atlanıyor.", item.Id);
-                return;
-            }
-
             item.Status = DownloadStatus.Downloading;
             
             // Notify UI that we are starting

src/DownloadManager.Core/Engine/EngineOptions.cs

@@ -4,7 +4,7 @@ public class EngineOptions
 {
     public int MaxSegments { get; set; } = 8;
     public long MinSegmentBytes { get; set; } = 512 * 1024;   // 512 KB
-    public int MaxRetries { get; set; } = 5;
+    public int MaxRetries { get; set; } = 30;
     public int RetryDelayMs { get; set; } = 2000;
     public int ConnectionTimeoutSeconds { get; set; } = 30;
     public long SpeedLimitBytesPerSec { get; set; } = 0;       // 0 = limitsiz

src/DownloadManager.Core/Engine/SegmentedDownloader.cs

@@ -128,21 +128,29 @@ public class SegmentedDownloader : IDownloader
     private async Task DownloadSegmentAsync(DownloadItem item, DownloadSegment segment, string tempDir, IProgress<DownloadProgressEvent>? progress, CancellationToken ct)
     {
         int retryCount = 0;
-        while (true)
+        Interlocked.Increment(ref _activeSegmentCount);
+        try
         {
-            try
+            while (true)
             {
-                await PerformSegmentDownloadAsync(item, segment, tempDir, progress, ct);
-                break;
-            }
-            catch (Exception ex) when (retryCount < _options.MaxRetries && !ct.IsCancellationRequested)
-            {
-                retryCount++;
-                Serilog.Log.Warning("Parça {Index} indirilemedi (Deneme {Count}/{Max}): {Error}", 
-                    segment.Index, retryCount, _options.MaxRetries, ex.Message);
-                await Task.Delay(_options.RetryDelayMs * retryCount, ct);
+                try
+                {
+                    await PerformSegmentDownloadAsync(item, segment, tempDir, progress, ct);
+                    break;
+                }
+                catch (Exception ex) when (retryCount < _options.MaxRetries && !ct.IsCancellationRequested)
+                {
+                    retryCount++;
+                    Serilog.Log.Warning("Parça {Index} indirilemedi (Deneme {Count}/{Max}): {Error}", 
+                        segment.Index, retryCount, _options.MaxRetries, ex.Message);
+                    await Task.Delay((_options.RetryDelayMs * retryCount) + Random.Shared.Next(1000), ct);
+                }
             }
         }
+        finally
+        {
+            Interlocked.Decrement(ref _activeSegmentCount);
+        }
     }
 
     private async Task PerformSegmentDownloadAsync(DownloadItem item, DownloadSegment segment, string tempDir, IProgress<DownloadProgressEvent>? progress, CancellationToken ct)
@@ -168,9 +176,15 @@ public class SegmentedDownloader : IDownloader
 
         var buffer = new byte[8192];
         int read;
-        while ((read = await stream.ReadAsync(buffer, 0, buffer.Length, ct)) > 0)
+        while (true)
         {
-            await fileStream.WriteAsync(buffer, 0, read, ct);
+            // Read with timeout to prevent hanging on network loss
+            read = await stream.ReadAsync(buffer, ct).AsTask()
+                .WaitAsync(TimeSpan.FromSeconds(_options.ConnectionTimeoutSeconds), ct);
+
+            if (read == 0) break;
+
+            await fileStream.WriteAsync(buffer.AsMemory(0, read), ct);
             segment.Downloaded += read;
             
             lock (_progressLock)
@@ -186,6 +200,8 @@ public class SegmentedDownloader : IDownloader
         segment.Status = SegmentStatus.Completed;
     }
 
+    private int _activeSegmentCount = 0;
+
     private void ReportProgress(DownloadItem item, IProgress<DownloadProgressEvent>? progress)
     {
         if ((DateTime.UtcNow - _lastReport).TotalMilliseconds < 250) return;
@@ -203,7 +219,8 @@ public class SegmentedDownloader : IDownloader
             ProgressPercent = percent,
             SpeedBytesPerSec = _speedCalculator.GetBytesPerSecond(),
             EstimatedRemaining = _speedCalculator.EstimateRemaining(item.TotalSize - downloaded),
-            Status = DownloadStatus.Downloading
+            Status = DownloadStatus.Downloading,
+            ActiveSegments = _activeSegmentCount
         });
     }
 

src/DownloadManager.Core/Engine/SingleDownloader.cs

@@ -43,7 +43,7 @@ public class SingleDownloader : IDownloader
                 retryCount++;
                 Serilog.Log.Warning("Tekil indirme başarısız (Deneme {Count}/{Max}): {Error}", 
                     retryCount, _options.MaxRetries, ex.Message);
-                await Task.Delay(_options.RetryDelayMs * retryCount, ct);
+                await Task.Delay((_options.RetryDelayMs * retryCount) + Random.Shared.Next(1000), ct);
             }
         }
     }
@@ -87,9 +87,15 @@ public class SingleDownloader : IDownloader
 
         var buffer = new byte[8192];
         int read;
-        while ((read = await contentStream.ReadAsync(buffer, 0, buffer.Length, ct)) > 0)
+        while (true)
         {
-            await fileStream.WriteAsync(buffer, 0, read, ct);
+            // Read with timeout to prevent hanging on network loss
+            read = await contentStream.ReadAsync(buffer, ct).AsTask()
+                .WaitAsync(TimeSpan.FromSeconds(_options.ConnectionTimeoutSeconds), ct);
+
+            if (read <= 0) break;
+
+            await fileStream.WriteAsync(buffer.AsMemory(0, read), ct);
             item.DownloadedBytes += read;
             _speedCalculator.AddSample(read);
 

src/DownloadManager.Core/Events/DownloadProgressEvent.cs

@@ -12,4 +12,5 @@ public class DownloadProgressEvent
     public long SpeedBytesPerSec { get; set; }
     public TimeSpan? EstimatedRemaining { get; set; }
     public DownloadStatus Status { get; set; }
+    public int ActiveSegments { get; set; }
 }

src/DownloadManager.Core/Services/CategoryService.cs

@@ -1,6 +1,9 @@
 using DownloadManager.Core.Data.Repositories;
 using DownloadManager.Core.Models;
+using System;
 using System.Collections.Generic;
+using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace DownloadManager.Core.Services;
@@ -8,6 +11,10 @@ namespace DownloadManager.Core.Services;
 public interface ICategoryService
 {
     Task<IEnumerable<DownloadCategory>> GetCategoriesAsync();
+    Task AddCategoryAsync(DownloadCategory category);
+    Task UpdateCategoryAsync(DownloadCategory category);
+    Task DeleteCategoryAsync(int id);
+    Task<int> GetCategoryIdByExtensionAsync(string fileName);
 }
 
 public class CategoryService : ICategoryService
@@ -17,4 +24,34 @@ public class CategoryService : ICategoryService
 
     public Task<IEnumerable<DownloadCategory>> GetCategoriesAsync() 
         => _repository.GetAllAsync();
+
+    public Task AddCategoryAsync(DownloadCategory category)
+        => _repository.AddAsync(category);
+
+    public Task UpdateCategoryAsync(DownloadCategory category)
+        => _repository.UpdateAsync(category);
+
+    public Task DeleteCategoryAsync(int id)
+        => _repository.DeleteAsync(id);
+
+    public async Task<int> GetCategoryIdByExtensionAsync(string fileName)
+    {
+        var ext = Path.GetExtension(fileName).TrimStart('.').ToLower();
+        var categories = await _repository.GetAllAsync();
+        
+        foreach (var cat in categories)
+        {
+            if (string.IsNullOrWhiteSpace(cat.Extensions)) continue;
+
+            var extensions = cat.Extensions.Split(',', StringSplitOptions.RemoveEmptyEntries)
+                                           .Select(x => x.Trim().ToLower());
+            if (extensions.Contains(ext))
+            {
+                return cat.Id;
+            }
+        }
+        
+        var other = categories.FirstOrDefault(c => c.Name == "Other" || c.Name == "Diğer");
+        return other?.Id ?? 6;
+    }
 }

src/DownloadManager.Core/Services/DownloadService.cs

@@ -45,10 +45,15 @@ public class DownloadService : IDownloadService
         await _repository.UpdateAsync(item);
     }
 
-    public Task PauseDownloadAsync(Guid id)
+    public async Task PauseDownloadAsync(Guid id)
     {
+        var item = await _repository.GetByIdAsync(id);
+        if (item != null)
+        {
+            item.Status = Enums.DownloadStatus.Paused;
+            await _repository.UpdateAsync(item);
+        }
         _engine.CancelDownload(id);
-        return Task.CompletedTask;
     }
 
     public async Task ResumeDownloadAsync(Guid id)

src/DownloadManager.Core/Services/SchedulerWatchdog.cs

@@ -1,4 +1,5 @@
 using DownloadManager.Core.Models;
+using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Linq;
 using System.Threading;
@@ -8,15 +9,13 @@ namespace DownloadManager.Core.Services;
 
 public class SchedulerWatchdog
 {
-    private readonly IScheduleService _scheduleService;
-    private readonly IDownloadService _downloadService;
+    private readonly IServiceProvider _serviceProvider;
     private Timer? _timer;
     private bool _isProcessing;
 
-    public SchedulerWatchdog(IScheduleService scheduleService, IDownloadService downloadService)
+    public SchedulerWatchdog(IServiceProvider serviceProvider)
     {
-        _scheduleService = scheduleService;
-        _downloadService = downloadService;
+        _serviceProvider = serviceProvider;
     }
 
     public void Start()
@@ -39,7 +38,10 @@ public class SchedulerWatchdog
 
         try
         {
-            var jobs = await _scheduleService.GetJobsAsync();
+            using var scope = _serviceProvider.CreateScope();
+            var scheduleService = scope.ServiceProvider.GetRequiredService<IScheduleService>();
+            
+            var jobs = await scheduleService.GetJobsAsync();
             var activeJob = jobs.FirstOrDefault(j => j.IsActive);
 
             if (activeJob == null) return;
@@ -49,9 +51,6 @@ public class SchedulerWatchdog
 
             // Gün kontrolü
             int dayIndex = (int)now.DayOfWeek; // 0=Pazar, 1=Pazartesi...
-            // Model Pt=0, Pz=6 şeklinde varsayılmıştı (1111111)
-            // .NET DayOfWeek: Sunday=0, Monday=1...
-            // Dönüştürelim: Pt=0 için
             int adjustedIndex = dayIndex == 0 ? 6 : dayIndex - 1;
 
             if (activeJob.DaysOfWeek[adjustedIndex] == '0') return;
@@ -60,10 +59,9 @@ public class SchedulerWatchdog
             if (activeJob.StartTime.HasValue)
             {
                 var startTime = activeJob.StartTime.Value.TimeOfDay;
-                // Başlangıç vaktinden sonraki 1 dakika içindeysek başlat (sürekli tetiklenmemesi için)
                 if (currentTime >= startTime && currentTime < startTime.Add(TimeSpan.FromMinutes(1)))
                 {
-                    await StartScheduledDownloads();
+                    await StartScheduledDownloads(scope.ServiceProvider.GetRequiredService<IDownloadService>());
                 }
             }
 
@@ -73,7 +71,7 @@ public class SchedulerWatchdog
                 var endTime = activeJob.EndTime.Value.TimeOfDay;
                 if (currentTime >= endTime && currentTime < endTime.Add(TimeSpan.FromMinutes(1)))
                 {
-                    await StopAllDownloads();
+                    await StopAllDownloads(scope.ServiceProvider.GetRequiredService<IDownloadService>());
                 }
             }
         }
@@ -87,27 +85,27 @@ public class SchedulerWatchdog
         }
     }
 
-    private async Task StartScheduledDownloads()
+    private async Task StartScheduledDownloads(IDownloadService downloadService)
     {
         Serilog.Log.Information("Zamanlayıcı: İndirmeler başlatılıyor...");
-        var downloads = await _downloadService.GetAllDownloadsAsync();
+        var downloads = await downloadService.GetAllDownloadsAsync();
         var pending = downloads.Where(d => d.Status == Enums.DownloadStatus.Paused || d.Status == Enums.DownloadStatus.Pending);
 
         foreach (var item in pending)
         {
-            await _downloadService.ResumeDownloadAsync(item.Id);
+            await downloadService.ResumeDownloadAsync(item.Id);
         }
     }
 
-    private async Task StopAllDownloads()
+    private async Task StopAllDownloads(IDownloadService downloadService)
     {
         Serilog.Log.Information("Zamanlayıcı: İndirmeler durduruluyor...");
-        var downloads = await _downloadService.GetAllDownloadsAsync();
+        var downloads = await downloadService.GetAllDownloadsAsync();
         var active = downloads.Where(d => d.Status == Enums.DownloadStatus.Downloading || d.Status == Enums.DownloadStatus.Queued);
 
         foreach (var item in active)
         {
-            await _downloadService.PauseDownloadAsync(item.Id);
+            await downloadService.PauseDownloadAsync(item.Id);
         }
     }
 }

src/DownloadManager.Core/obj/Debug/net8.0/DownloadManager.Core.AssemblyInfo.cs

@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+81faa715a4eb11a2bf648f52891306b46ea7c256")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
 [assembly: System.Reflection.AssemblyProductAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyTitleAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

src/DownloadManager.Core/obj/Debug/net8.0/DownloadManager.Core.AssemblyInfoInputs.cache

@@ -1 +1 @@
-57eee8222b0d77ae6e394591882c8d91daaa59ea38bf4b29e8d5d32072290d1d
+355e174528e4d22ee7c251d97b3ad390b2cefbca24bdd6f2d576299a7fce3925

src/DownloadManager.Core/obj/Release/net8.0/DownloadManager.Core.AssemblyInfo.cs

@@ -1,7 +1,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -14,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Release")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+81faa715a4eb11a2bf648f52891306b46ea7c256")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
 [assembly: System.Reflection.AssemblyProductAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyTitleAttribute("DownloadManager.Core")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Generated by the MSBuild WriteCodeFragment class.
+// MSBuild WriteCodeFragment sınıfı tarafından oluşturuldu.
 

src/DownloadManager.Core/obj/Release/net8.0/DownloadManager.Core.AssemblyInfoInputs.cache

@@ -1 +1 @@
-86922a9eccfa1e5736aa220690f23d77712e45c8681c90dab58e4b60acfd7921
+62c36dfd3abfff411d19bf2d9f22e0bd666e57c1af0629fcae7d4ef188fe9e95

src/DownloadManager.TestConsole/obj/Release/net8.0/DownloadManager.TestConsole.AssemblyInfo.cs

@@ -1,7 +1,6 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -14,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("DownloadManager.TestConsole")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Release")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+81faa715a4eb11a2bf648f52891306b46ea7c256")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
 [assembly: System.Reflection.AssemblyProductAttribute("DownloadManager.TestConsole")]
 [assembly: System.Reflection.AssemblyTitleAttribute("DownloadManager.TestConsole")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Generated by the MSBuild WriteCodeFragment class.
+// MSBuild WriteCodeFragment sınıfı tarafından oluşturuldu.
 

src/DownloadManager.TestConsole/obj/Release/net8.0/DownloadManager.TestConsole.AssemblyInfoInputs.cache

@@ -1 +1 @@
-ca6e1ab4507e84385d05f14541ed3151a50c58ff919b0dc872c1409753ebe984
+eb1425e8d7f5855caa9e9266e09a3f32bbe7a7b2ce13f06d61c757365565f828

src/DownloadManager.WPF/App.xaml.cs

@@ -7,8 +7,10 @@ using DownloadManager.Core.Models;
 using DownloadManager.Core.Protocols;
 using DownloadManager.Core.Queue;
 using DownloadManager.Core.Services;
+using DownloadManager.WPF.Helpers;
 using DownloadManager.WPF.ViewModels;
 using DownloadManager.WPF.Views;
+// ... (rest of imports should be fine)
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -29,6 +31,7 @@ public partial class App : System.Windows.Application
 {
     private IHost _host;
     private CancellationTokenSource _pipeCts = new();
+    private static Mutex? _mutex;
 
     private static string GetExceptionDetails(Exception? ex)
     {
@@ -80,19 +83,19 @@ public partial class App : System.Windows.Application
                 // Veritabanı
                 var dbPath = Path.Combine(GetAppDataPath(), "downloadmanager.db");
                 services.AddDbContext<AppDbContext>(opt =>
-                    opt.UseSqlite($"Data Source={dbPath}"), ServiceLifetime.Singleton);
+                    opt.UseSqlite($"Data Source={dbPath}"), ServiceLifetime.Transient);
 
                 // Repositories
-                services.AddSingleton<IDownloadRepository, DownloadRepository>();
-                services.AddSingleton<ICategoryRepository, CategoryRepository>();
-                services.AddSingleton<ISettingsRepository, SettingsRepository>();
-                services.AddSingleton<IScheduleRepository, ScheduleRepository>();
+                services.AddTransient<IDownloadRepository, DownloadRepository>();
+                services.AddTransient<ICategoryRepository, CategoryRepository>();
+                services.AddTransient<ISettingsRepository, SettingsRepository>();
+                services.AddTransient<IScheduleRepository, ScheduleRepository>();
 
                 // Services
-                services.AddSingleton<IDownloadService, DownloadService>();
-                services.AddSingleton<ICategoryService, CategoryService>();
-                services.AddSingleton<ISettingsService, SettingsService>();
-                services.AddSingleton<IScheduleService, ScheduleService>();
+                services.AddTransient<IDownloadService, DownloadService>();
+                services.AddTransient<ICategoryService, CategoryService>();
+                services.AddTransient<ISettingsService, SettingsService>();
+                services.AddTransient<IScheduleService, ScheduleService>();
                 services.AddSingleton<SchedulerWatchdog>();
 
                 // Altyapı ve Motor
@@ -137,6 +140,14 @@ public partial class App : System.Windows.Application
 
     protected override async void OnStartup(StartupEventArgs e)
     {
+        _mutex = new Mutex(true, "hDM_SingleInstance_Mutex", out bool createdNew);
+        if (!createdNew)
+        {
+            // Zaten bir örnek çalışıyor
+            System.Windows.Application.Current.Shutdown();
+            return;
+        }
+
         base.OnStartup(e);
 
         try
@@ -164,13 +175,13 @@ public partial class App : System.Windows.Application
             var mainWindow = _host.Services.GetRequiredService<MainWindow>();
             var mainVm = _host.Services.GetRequiredService<MainViewModel>();
             var watchdog = _host.Services.GetRequiredService<SchedulerWatchdog>();
-            
-            mainWindow.DataContext = mainVm;
-            
+            var categoryService = _host.Services.GetRequiredService<ICategoryService>();
+
+            mainWindow.DataContext = mainVm;            
             await Helpers.WindowStateHelper.LoadStateAsync(mainWindow, settings);
             
             // Browser Bridge için Named Pipe Sunucusunu Başlat
-            _ = StartPipeServerAsync(downloadService, protocol, settings, mainVm);
+            _ = StartPipeServerAsync(downloadService, protocol, settings, mainVm, categoryService);
 
             // Zamanlayıcıyı Başlat
             watchdog.Start();
@@ -206,7 +217,7 @@ public partial class App : System.Windows.Application
         System.Windows.Application.Current.Shutdown();
     }
 
-    private async Task StartPipeServerAsync(IDownloadService service, IDownloadProtocol protocol, ISettingsService settings, MainViewModel mainVm)
+    private async Task StartPipeServerAsync(IDownloadService service, IDownloadProtocol protocol, ISettingsService settings, MainViewModel mainVm, ICategoryService categoryService)
     {
         Log.Information("Named Pipe sunucusu dinlemeye başladı...");
         while (!_pipeCts.Token.IsCancellationRequested)
@@ -249,20 +260,19 @@ public partial class App : System.Windows.Application
                             var grabber = _host.Services.GetRequiredService<SiteGrabber>();
                             var grabberWin = new Views.Dialogs.GrabberWindow(grabber, url) { Owner = win };
                             
-                            if (grabberWin.ShowDialog() == true)
+                            if (await grabberWin.ShowDialogAsyncSafe() == true)
                             {
                                 // Sonuçları ekle (MainViewModel'deki OpenGrabberCommand mantığıyla aynı)
                                 var selected = grabberWin.SelectedResults;
                                 var defaultPath = await settings.GetAsync("DefaultSavePath");
                                 foreach (var res in selected)
                                 {
-                                    var item = new DownloadItem { Url = res.Url, FileName = res.FileName, SavePath = Path.Combine(defaultPath ?? "", res.FileName), Status = DownloadStatus.Queued };
-                                    var catName = Helpers.FileCategoryHelper.GetCategoryByExtension(item.FileName);
-                                    item.CategoryId = catName switch { "Software"=>1,"Document"=>2,"Audio"=>3,"Video"=>4,"Image"=>5,_=>6 };
+                                    var item = new DownloadItem { Url = res.Url, FileName = res.FileName, SavePath = Path.Combine(defaultPath ?? "", res.FileName), Status = DownloadStatus.Paused };
+                                    item.CategoryId = await categoryService.GetCategoryIdByExtensionAsync(item.FileName);
                                     await service.AddDownloadAsync(item);
                                     mainVm.AddDownloadItemViewModel(new DownloadItemViewModel { 
                                         Id = item.Id, FileName = item.FileName, Url = item.Url, 
-                                        Status = DownloadStatus.Queued, FormattedSize = "Bilinmiyor",
+                                        Status = DownloadStatus.Paused, FormattedSize = "Bilinmiyor",
                                         CreatedAt = item.CreatedAt,
                                         LastActivityAt = item.LastActivityAt
                                     });
@@ -279,43 +289,46 @@ public partial class App : System.Windows.Application
                                 defaultPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "Downloads");
                             }
 
-                            // "Ekle" penceresini otomatik aç
-                            var dialog = new Views.Dialogs.AddDownloadDialog(protocol, defaultPath, url, suggestedName);
-                            var result = await dialog.ShowAsync();
-
-                            if (result == ContentDialogResult.Primary)
+                            try
                             {
-                                try
+                                var item = await protocol.GetFileInfoAsync(url, CancellationToken.None);
+                                
+                                if (!string.IsNullOrWhiteSpace(suggestedName))
                                 {
-                                    var item = await protocol.GetFileInfoAsync(dialog.Urls, CancellationToken.None);
-                                    
-                                    // Kullanıcı pencerede ismi değiştirdiyse onu kullan
-                                    if (!string.IsNullOrWhiteSpace(dialog.FileName))
-                                    {
-                                        item.FileName = dialog.FileName;
-                                    }
-
-                                    item.SavePath = Path.Combine(dialog.SavePath, item.FileName);
-                                    
-                                    // Kategori ata
-                                    var catName = Helpers.FileCategoryHelper.GetCategoryByExtension(item.FileName);
-                                    item.CategoryId = catName switch { "Software"=>1,"Document"=>2,"Audio"=>3,"Video"=>4,"Image"=>5,_=>6 };
-
-                                    await service.AddDownloadAsync(item);
-                                    
-                                    mainVm.AddDownloadItemViewModel(new DownloadItemViewModel {
-                                        Id = item.Id, FileName = item.FileName, Url = item.Url, 
-                                        Status = DownloadStatus.Queued, 
-                                        FormattedSize = mainVm.FormatSizeInternal(item.TotalSize),
-                                        CreatedAt = item.CreatedAt,
-                                        LastActivityAt = item.LastActivityAt
-                                    });
+                                    item.FileName = suggestedName;
                                 }
-                                catch (Exception ex)
+
+                                var targetPath = Path.Combine(defaultPath, item.FileName);
+                                
+                                // Çakışma kontrolü (dosya adını eşsiz yap)
+                                var counter = 1;
+                                var dir = Path.GetDirectoryName(targetPath) ?? "";
+                                var fn = Path.GetFileNameWithoutExtension(targetPath);
+                                var ext = Path.GetExtension(targetPath);
+                                while (File.Exists(targetPath))
                                 {
-                                    Log.Error(ex, "Tarayıcıdan gelen URL eklenirken hata");
-                                    System.Windows.MessageBox.Show($"Tarayıcıdan gelen indirme eklenemedi.\n\nURL: {url}\n\nHata: {ex.Message}", "Bağlantı Hatası", MessageBoxButton.OK, MessageBoxImage.Error);
+                                    targetPath = Path.Combine(dir, $"{fn} ({counter++}){ext}");
                                 }
+
+                                item.FileName = Path.GetFileName(targetPath);
+                                item.SavePath = targetPath;
+                                
+                                // Kategori ata
+                                item.CategoryId = await categoryService.GetCategoryIdByExtensionAsync(item.FileName);
+
+                                await service.AddDownloadAsync(item);
+                                
+                                mainVm.AddDownloadItemViewModel(new DownloadItemViewModel {
+                                    Id = item.Id, FileName = item.FileName, Url = item.Url, 
+                                    Status = DownloadStatus.Paused, 
+                                    FormattedSize = mainVm.FormatSizeInternal(item.TotalSize),
+                                    CreatedAt = item.CreatedAt,
+                                    LastActivityAt = item.LastActivityAt
+                                });
+                            }
+                            catch (Exception ex)
+                            {
+                                Log.Error(ex, "Tarayıcıdan gelen URL otomatik eklenirken hata: {Url}", url);
                             }
                         }
                     });
@@ -345,6 +358,9 @@ public partial class App : System.Windows.Application
             }
         }
         
+        _mutex?.ReleaseMutex();
+        _mutex?.Dispose();
+        
         base.OnExit(e);
     }
 }

src/DownloadManager.WPF/Helpers/DialogHelper.cs

@@ -0,0 +1,38 @@
+using ModernWpf.Controls;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace DownloadManager.WPF.Helpers;
+
+public static class DialogHelper
+{
+    private static readonly SemaphoreSlim _dialogSemaphore = new(1, 1);
+
+    public static async Task<ContentDialogResult> ShowAsyncSafe(this ContentDialog dialog)
+    {
+        await _dialogSemaphore.WaitAsync();
+        try
+        {
+            return await dialog.ShowAsync();
+        }
+        finally
+        {
+            await Task.Delay(200); // ModernWpf'nin iç durumunu (activeDialog) temizlemesi için zaman tanı
+            _dialogSemaphore.Release();
+        }
+    }
+
+    public static async Task<bool?> ShowDialogAsyncSafe(this System.Windows.Window window)
+    {
+        await _dialogSemaphore.WaitAsync();
+        try
+        {
+            return window.ShowDialog();
+        }
+        finally
+        {
+            _dialogSemaphore.Release();
+        }
+    }
+}

src/DownloadManager.WPF/ViewModels/DownloadItemViewModel.cs

@@ -15,6 +15,7 @@ public partial class DownloadItemViewModel : ObservableObject
     [ObservableProperty] private string _formattedSize = "—";
     [ObservableProperty] private double _progressPercent;
     [ObservableProperty] private string _speed = "—";
+    [ObservableProperty] private long _rawSpeed;
     [ObservableProperty] private string _timeRemaining = "—";
     [ObservableProperty] private DownloadStatus _status;
     [ObservableProperty] private int _categoryId;
@@ -39,6 +40,7 @@ public partial class DownloadItemViewModel : ObservableObject
         System.Windows.Application.Current.Dispatcher.InvokeAsync(() =>
         {
             ProgressPercent = e.ProgressPercent;
+            RawSpeed        = e.SpeedBytesPerSec;
             Speed           = FormatSpeed(e.SpeedBytesPerSec);
             TimeRemaining   = FormatRemaining(e.EstimatedRemaining);
             Status          = e.Status;

src/DownloadManager.WPF/ViewModels/MainViewModel.cs

@@ -8,6 +8,7 @@ using DownloadManager.Core.Models;
 using DownloadManager.Core.Protocols;
 using DownloadManager.Core.Queue;
 using DownloadManager.Core.Services;
+using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
@@ -18,6 +19,7 @@ using Newtonsoft.Json;
 using WpfApp = System.Windows.Application;
 using WpfMsg = System.Windows.MessageBox;
 using DownloadManager.WPF.Views;
+using DownloadManager.WPF.Helpers;
 
 namespace DownloadManager.WPF.ViewModels;
 
@@ -31,13 +33,25 @@ public partial class MainViewModel : ObservableObject
     private readonly EngineOptions _engineOptions;
     private readonly ISettingsService _settingsService;
     private readonly IScheduleService _scheduleService;
+    private readonly ICategoryService _categoryService;
     private readonly SiteGrabber _grabber;
+    private readonly IServiceProvider _serviceProvider;
 
     [ObservableProperty] private ObservableCollection<DownloadItemViewModel> _downloads = new();
+    private readonly List<DownloadItemViewModel> _allDownloads = new();
+    
+    [ObservableProperty] private ObservableCollection<DownloadCategory> _categories = new();
+    
     [ObservableProperty] private DownloadItemViewModel? _selectedDownload;
     [ObservableProperty] private DownloadCategory? _selectedCategory;
     [ObservableProperty] private string _totalSpeed = "Toplam: 0 B/s";
     [ObservableProperty] private int _activeCount;
+    [ObservableProperty] private int _completedCount;
+    [ObservableProperty] private int _errorCount;
+    [ObservableProperty] private int _pausedCount;
+    [ObservableProperty] private int _queuedCount;
+    [ObservableProperty] private int _totalCount;
+    [ObservableProperty] private string _activeSegmentsTotal = "0/0";
     [ObservableProperty] private string _diskFreeSpace = string.Empty;
     [ObservableProperty] private System.Windows.Media.PointCollection _speedPoints = new();
 
@@ -55,6 +69,22 @@ public partial class MainViewModel : ObservableObject
         ResumeDownloadCommand.NotifyCanExecuteChanged();
     }
 
+    partial void OnSelectedCategoryChanged(DownloadCategory? value)
+    {
+        ApplyCategoryFilter();
+    }
+
+    private void ApplyCategoryFilter()
+    {
+        var list = SelectedCategory == null || SelectedCategory.Id == 0 
+            ? _allDownloads.ToList() 
+            : _allDownloads.Where(x => x.CategoryId == SelectedCategory.Id).ToList();
+
+        Downloads.Clear();
+        foreach(var item in list) Downloads.Add(item);
+        SortDownloads(SortColumn, IsSortAscending);
+    }
+
     public MainViewModel(
         IDownloadService downloadService, 
         IDownloadProtocol protocol, 
@@ -64,7 +94,9 @@ public partial class MainViewModel : ObservableObject
         EngineOptions engineOptions,
         ISettingsService settingsService,
         IScheduleService scheduleService,
-        SiteGrabber grabber)
+        ICategoryService categoryService,
+        SiteGrabber grabber,
+        IServiceProvider serviceProvider)
     {
         _downloadService = downloadService;
         _protocol = protocol;
@@ -74,7 +106,9 @@ public partial class MainViewModel : ObservableObject
         _engineOptions = engineOptions;
         _settingsService = settingsService;
         _scheduleService = scheduleService;
+        _categoryService = categoryService;
         _grabber = grabber;
+        _serviceProvider = serviceProvider;
 
         _engine.ProgressChanged += OnEngineProgressChanged;
 
@@ -139,15 +173,26 @@ public partial class MainViewModel : ObservableObject
             }
         }
 
+        var cats = await _categoryService.GetCategoriesAsync();
+
         WpfApp.Current.Dispatcher.Invoke(() =>
         {
-            Downloads.Clear();
+            Categories.Clear();
+            // Add a virtual 'All' category
+            Categories.Add(new DownloadCategory { Id = 0, Name = "Tümü" });
+            foreach (var cat in cats)
+            {
+                Categories.Add(cat);
+            }
+            SelectedCategory = Categories.FirstOrDefault();
+
+            _allDownloads.Clear();
             foreach (var item in items)
             {
                 var downloaded = Math.Min(item.DownloadedBytes, item.TotalSize);
                 var progress = item.TotalSize > 0 ? (double)downloaded / item.TotalSize * 100 : 0;
 
-                Downloads.Add(new DownloadItemViewModel
+                _allDownloads.Add(new DownloadItemViewModel
                 {
                     Id = item.Id,
                     FileName = item.FileName,
@@ -155,11 +200,13 @@ public partial class MainViewModel : ObservableObject
                     Status = item.Status,
                     ProgressPercent = Math.Min(100, progress),
                     FormattedSize = FormatSize(item.TotalSize),
+                    CategoryId = item.CategoryId,
                     CreatedAt = item.CreatedAt,
                     LastActivityAt = item.LastActivityAt
                 });
             }
-            SortDownloads(SortColumn, IsSortAscending);
+            ApplyCategoryFilter();
+            UpdateGlobalStatsInternal();
         });
     }
 
@@ -193,12 +240,18 @@ public partial class MainViewModel : ObservableObject
     {
         WpfApp.Current.Dispatcher.Invoke(() =>
         {
-            var vm = Downloads.FirstOrDefault(x => x.Id == e.Id);
+            var vm = _allDownloads.FirstOrDefault(x => x.Id == e.Id);
             if (vm != null)
             {
                 vm.ApplyProgress(e);
                 vm.LastActivityAt = DateTime.Now;
 
+                // Aktif segment sayısını güncelle
+                if (e.Status == DownloadStatus.Downloading)
+                    _activeSegmentCounts[e.Id] = e.ActiveSegments;
+                else
+                    _activeSegmentCounts.Remove(e.Id);
+
                 if (e.Status == DownloadStatus.Completed)
                 {
                     vm.LastActivityAt = DateTime.Now;
@@ -209,13 +262,15 @@ public partial class MainViewModel : ObservableObject
                     {
                         try
                         {
-                            var downloads = await _downloadService.GetAllDownloadsAsync();
+                            using var scope = _serviceProvider.CreateScope();
+                            var service = scope.ServiceProvider.GetRequiredService<IDownloadService>();
+                            var downloads = await service.GetAllDownloadsAsync();
                             var item = downloads.FirstOrDefault(x => x.Id == vm.Id);
                             if (item != null)
                             {
                                 item.LastActivityAt = vm.LastActivityAt;
                                 item.Status = DownloadStatus.Completed;
-                                await _downloadService.UpdateDownloadAsync(item);
+                                await service.UpdateDownloadAsync(item);
                             }
                         }
                         catch { /* Sessizce yut */ }
@@ -226,43 +281,34 @@ public partial class MainViewModel : ObservableObject
         });
     }
 
+    private readonly Dictionary<Guid, int> _activeSegmentCounts = new();
+
     private void UpdateGlobalStatsInternal()
     {
-        var activeItems = Downloads.Where(x => x.Status == DownloadStatus.Downloading).ToList();
-        ActiveCount = activeItems.Count;
+        var allItems = _allDownloads.ToList();
+        TotalCount = allItems.Count;
+        ActiveCount = allItems.Count(x => x.Status == DownloadStatus.Downloading);
+        CompletedCount = allItems.Count(x => x.Status == DownloadStatus.Completed);
+        PausedCount = allItems.Count(x => x.Status == DownloadStatus.Paused);
+        ErrorCount = allItems.Count(x => x.Status == DownloadStatus.Error);
+        QueuedCount = allItems.Count(x => x.Status == DownloadStatus.Queued);
+
+        var activeItems = _allDownloads.Where(x => x.Status == DownloadStatus.Downloading).ToList();
         
-        double totalMbps = 0;
-        foreach (var item in activeItems)
-        {
-            if (string.IsNullOrEmpty(item.Speed) || item.Speed == "—") continue;
-            var parts = item.Speed.Split(' ');
-            if (parts.Length < 2) continue;
-            if (double.TryParse(parts[0], System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out double val))
-            {
-                if (parts[1].StartsWith("MB")) totalMbps += val;
-                else if (parts[1].StartsWith("KB")) totalMbps += val / 1024;
-            }
-        }
-        TotalSpeed = $"Toplam: {totalMbps:F1} MB/s";
+        int totalActiveSegments = _activeSegmentCounts.Values.Sum();
+        int maxPossibleSegments = activeItems.Count * _engineOptions.MaxSegments;
+        ActiveSegmentsTotal = $"{totalActiveSegments}/{maxPossibleSegments}";
+
+        long totalBytesPerSec = activeItems.Sum(x => x.RawSpeed);
+        TotalSpeed = $"Toplam: {FormatSize(totalBytesPerSec)}/s";
         _ = UpdateDiskSpaceAsync();
     }
 
     private void UpdateSpeedChart()
     {
-        var activeItems = Downloads.Where(x => x.Status == DownloadStatus.Downloading).ToList();
+        var activeItems = _allDownloads.Where(x => x.Status == DownloadStatus.Downloading).ToList();
         
-        double totalMbps = 0;
-        foreach (var item in activeItems)
-        {
-            if (string.IsNullOrEmpty(item.Speed) || item.Speed == "—") continue;
-            var parts = item.Speed.Split(' ');
-            if (parts.Length < 2) continue;
-            if (double.TryParse(parts[0], System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out double val))
-            {
-                if (parts[1].StartsWith("MB")) totalMbps += val;
-                else if (parts[1].StartsWith("KB")) totalMbps += val / 1024;
-            }
-        }
+        double totalMbps = activeItems.Sum(x => (double)x.RawSpeed / (1024 * 1024));
 
         _speedHistory.Add(totalMbps);
         if (_speedHistory.Count > MaxChartPoints) _speedHistory.RemoveAt(0);
@@ -272,12 +318,11 @@ public partial class MainViewModel : ObservableObject
         {
             double maxSpeed = _speedHistory.Max();
             if (maxSpeed < 0.1) maxSpeed = 0.1;
-            //var w = ((System.Windows.Controls.Panel)Application.Current.MainWindow.Content).ActualWidth;
-            //var w = bannerbg.ActualWidth
+            
             int w = (int)System.Windows.SystemParameters.PrimaryScreenWidth;
 
-            double width = w; //  900; // Grafik genişliği
-            double height = 40; // Grafik yüksekliği
+            double width = w; 
+            double height = 40; 
             double stepX = width / (MaxChartPoints - 1);
 
             for (int i = 0; i < _speedHistory.Count; i++)
@@ -315,8 +360,9 @@ public partial class MainViewModel : ObservableObject
     {
         WpfApp.Current.Dispatcher.Invoke(() => 
         {
-            Downloads.Add(vm);
-            SortDownloads(SortColumn, IsSortAscending);
+            _allDownloads.Add(vm);
+            ApplyCategoryFilter();
+            UpdateGlobalStatsInternal();
         });
     }
 
@@ -340,7 +386,7 @@ public partial class MainViewModel : ObservableObject
 
         var defaultPath = await _settingsService.GetAsync("DefaultSavePath");
         var dialog = new Views.Dialogs.AddDownloadDialog(_protocol, defaultPath, clipboardUrl);
-        var result = await dialog.ShowAsync();
+        var result = await dialog.ShowAsyncSafe();
 
         if (result == ModernWpf.Controls.ContentDialogResult.Primary)
         {
@@ -349,7 +395,7 @@ public partial class MainViewModel : ObservableObject
             {
                 try
                 {
-                    if (Downloads.Any(x => x.Url == url))
+                    if (_allDownloads.Any(x => x.Url == url))
                     {
                         var msgResult = WpfMsg.Show("Bu URL zaten listede mevcut. Tekrar eklemek istiyor musunuz?", "Mükerrer Kayıt", System.Windows.MessageBoxButton.YesNo);
                         if (msgResult == System.Windows.MessageBoxResult.No) continue;
@@ -378,7 +424,7 @@ public partial class MainViewModel : ObservableObject
                     var vm = new DownloadItemViewModel
                     {
                         Id = item.Id, FileName = item.FileName, Url = item.Url,
-                        Status = DownloadStatus.Queued, FormattedSize = FormatSize(item.TotalSize),
+                        Status = DownloadStatus.Paused, FormattedSize = FormatSize(item.TotalSize),
                         CategoryId = item.CategoryId,
                         CreatedAt = item.CreatedAt,
                         LastActivityAt = item.LastActivityAt
@@ -386,10 +432,11 @@ public partial class MainViewModel : ObservableObject
                     
                     WpfApp.Current.Dispatcher.Invoke(() => 
                     {
-                        Downloads.Add(vm);
-                        // Mevcut sıralamayı tekrar uygula
-                        SortDownloads(SortColumn, IsSortAscending);
+                        _allDownloads.Add(vm);
+                        ApplyCategoryFilter();
+                        UpdateGlobalStatsInternal();
                     });
+                    item.Status = DownloadStatus.Paused;
                     await _downloadService.AddDownloadAsync(item);
                 }
                 catch (Exception ex) 
@@ -411,6 +458,30 @@ public partial class MainViewModel : ObservableObject
         return filePath;
     }
 
+    [RelayCommand]
+    private async Task ResumePending()
+    {
+        var pendingItems = _allDownloads.Where(x => x.Status == DownloadStatus.Paused || x.Status == DownloadStatus.Error).ToList();
+        foreach (var vm in pendingItems)
+        {
+            vm.Status = DownloadStatus.Queued;
+            await _downloadService.ResumeDownloadAsync(vm.Id);
+        }
+        UpdateGlobalStatsInternal();
+    }
+
+    [RelayCommand]
+    private async Task PauseAll()
+    {
+        var activeItems = _allDownloads.Where(x => x.Status == DownloadStatus.Downloading || x.Status == DownloadStatus.Queued).ToList();
+        foreach (var vm in activeItems)
+        {
+            await _downloadService.PauseDownloadAsync(vm.Id);
+            vm.Status = DownloadStatus.Paused;
+        }
+        UpdateGlobalStatsInternal();
+    }
+
     [RelayCommand(CanExecute = nameof(CanPause))]
     private async Task PauseDownload(DownloadItemViewModel? vm)
     {
@@ -419,6 +490,7 @@ public partial class MainViewModel : ObservableObject
         {
             await _downloadService.PauseDownloadAsync(target.Id);
             target.Status = DownloadStatus.Paused;
+            UpdateGlobalStatsInternal();
             PauseDownloadCommand.NotifyCanExecuteChanged();
             ResumeDownloadCommand.NotifyCanExecuteChanged();
         }
@@ -438,6 +510,7 @@ public partial class MainViewModel : ObservableObject
         {
             target.Status = DownloadStatus.Queued;
             await _downloadService.ResumeDownloadAsync(target.Id);
+            UpdateGlobalStatsInternal();
             PauseDownloadCommand.NotifyCanExecuteChanged();
             ResumeDownloadCommand.NotifyCanExecuteChanged();
         }
@@ -455,8 +528,7 @@ public partial class MainViewModel : ObservableObject
         if (vm == null) return;
         try
         {
-            var downloads = await _downloadService.GetAllDownloadsAsync();
-            var item = downloads.FirstOrDefault(x => x.Id == vm.Id);
+            var item = (await _downloadService.GetAllDownloadsAsync()).FirstOrDefault(x => x.Id == vm.Id);
             if (item != null && File.Exists(item.SavePath))
                 System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(item.SavePath) { UseShellExecute = true });
             else
@@ -473,8 +545,7 @@ public partial class MainViewModel : ObservableObject
         if (vm == null) return;
         try
         {
-            var downloads = await _downloadService.GetAllDownloadsAsync();
-            var item = downloads.FirstOrDefault(x => x.Id == vm.Id);
+            var item = (await _downloadService.GetAllDownloadsAsync()).FirstOrDefault(x => x.Id == vm.Id);
             if (item != null && File.Exists(item.SavePath))
                 System.Diagnostics.Process.Start("rundll32.exe", $"shell32.dll,OpenAs_RunDLL {item.SavePath}");
         }
@@ -487,8 +558,7 @@ public partial class MainViewModel : ObservableObject
         if (vm == null) return;
         try
         {
-            var downloads = await _downloadService.GetAllDownloadsAsync();
-            var item = downloads.FirstOrDefault(x => x.Id == vm.Id);
+            var item = (await _downloadService.GetAllDownloadsAsync()).FirstOrDefault(x => x.Id == vm.Id);
             if (item != null)
             {
                 if (File.Exists(item.SavePath))
@@ -508,7 +578,7 @@ public partial class MainViewModel : ObservableObject
         var item = (await _downloadService.GetAllDownloadsAsync()).FirstOrDefault(x => x.Id == vm.Id);
         if (item == null) return;
         var dialog = new Views.Dialogs.RenameDialog(item.SavePath);
-        var result = await dialog.ShowAsync();
+        var result = await dialog.ShowAsyncSafe();
         if (result == ModernWpf.Controls.ContentDialogResult.Primary)
         {
             string newPath = Path.Combine(dialog.NewPath, dialog.NewFileName);
@@ -534,6 +604,7 @@ public partial class MainViewModel : ObservableObject
         await _downloadService.UpdateDownloadAsync(item);
         vm.ProgressPercent = 0; vm.Status = DownloadStatus.Queued;
         _queue.Enqueue(item);
+        UpdateGlobalStatsInternal();
     }
 
     [RelayCommand]
@@ -558,13 +629,13 @@ public partial class MainViewModel : ObservableObject
         {
             try
             {
-                // Önce arkaplan işlemini bitir
                 await _downloadService.DeleteDownloadAsync(target.Id);
                 
-                // UI listesinden güvenli bir şekilde çıkar
                 WpfApp.Current.Dispatcher.Invoke(() => 
                 {
-                    Downloads.Remove(target);
+                    _allDownloads.Remove(target);
+                    ApplyCategoryFilter();
+                    UpdateGlobalStatsInternal();
                 });
             }
             catch (Exception ex)
@@ -591,7 +662,9 @@ public partial class MainViewModel : ObservableObject
                 
                 WpfApp.Current.Dispatcher.Invoke(() => 
                 {
-                    Downloads.Remove(target);
+                    _allDownloads.Remove(target);
+                    ApplyCategoryFilter();
+                    UpdateGlobalStatsInternal();
                 });
 
                 if (item != null && File.Exists(item.SavePath))
@@ -622,7 +695,7 @@ public partial class MainViewModel : ObservableObject
             if (item != null)
             {
                 var dialog = new Views.Dialogs.PropertiesDialog(item, target.FormattedSize);
-                await dialog.ShowAsync();
+                await dialog.ShowAsyncSafe();
             }
         }
         catch (Exception ex)
@@ -634,8 +707,8 @@ public partial class MainViewModel : ObservableObject
     [RelayCommand]
     private async Task OpenSettings()
     {
-        var dialog = new Views.Dialogs.SettingsDialog(_settingsService);
-        var result = await dialog.ShowAsync();
+        var dialog = new Views.Dialogs.SettingsDialog(_settingsService, _categoryService);
+        var result = await dialog.ShowAsyncSafe();
         if (result == ModernWpf.Controls.ContentDialogResult.Primary)
         {
             dialog.SaveSettings();
@@ -661,7 +734,7 @@ public partial class MainViewModel : ObservableObject
     private async Task OpenScheduler()
     {
         var dialog = new Views.Dialogs.SchedulerDialog(_scheduleService);
-        var result = await dialog.ShowAsync();
+        var result = await dialog.ShowAsyncSafe();
         if (result == ModernWpf.Controls.ContentDialogResult.Primary) { dialog.SaveJob(); }
     }
 
@@ -673,25 +746,27 @@ public partial class MainViewModel : ObservableObject
             Owner = WpfApp.Current.MainWindow
         };
 
-        if (dialog.ShowDialog() == true)
+        if (await dialog.ShowDialogAsyncSafe() == true)
         {
             var selected = dialog.SelectedResults;
             var defaultPath = await _settingsService.GetAsync("DefaultSavePath");
             foreach (var res in selected)
             {
-                var item = new DownloadItem { Url = res.Url, FileName = res.FileName, SavePath = Path.Combine(defaultPath ?? "", res.FileName), Status = DownloadStatus.Queued };
-                var catName = Helpers.FileCategoryHelper.GetCategoryByExtension(item.FileName);
-                item.CategoryId = catName switch { "Software"=>1,"Document"=>2,"Audio"=>3,"Video"=>4,"Image"=>5,_=>6 };
+                var item = new DownloadItem { Url = res.Url, FileName = res.FileName, SavePath = Path.Combine(defaultPath ?? "", res.FileName), Status = DownloadStatus.Paused };
+                item.CategoryId = await _categoryService.GetCategoryIdByExtensionAsync(item.FileName);
                 await _downloadService.AddDownloadAsync(item);
                 WpfApp.Current.Dispatcher.Invoke(() => {
-                    Downloads.Add(new DownloadItemViewModel { 
+                    var vm = new DownloadItemViewModel { 
                         Id = item.Id, FileName = item.FileName, Url = item.Url, 
-                        Status = DownloadStatus.Queued, FormattedSize = "Bilinmiyor",
+                        Status = DownloadStatus.Paused, FormattedSize = "Bilinmiyor",
                         CreatedAt = item.CreatedAt,
                         LastActivityAt = item.LastActivityAt
-                    });
+                    };
+                    _allDownloads.Add(vm);
                 });
             }
+            ApplyCategoryFilter();
+            UpdateGlobalStatsInternal();
         }
     }
 

src/DownloadManager.WPF/Views/Controls/CategoryPanel.xaml

@@ -3,12 +3,12 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:ui="http://schemas.modernwpf.com/2019">
     <ListBox BorderThickness="0,0,1,0" BorderBrush="{DynamicResource SystemControlForegroundBaseLowBrush}"
+             ItemsSource="{Binding Categories}"
              SelectedItem="{Binding SelectedCategory}">
-        <ListBoxItem Content="Tümü" Tag="All" IsSelected="True"/>
-        <ListBoxItem Content="Yazılım" Tag="Software"/>
-        <ListBoxItem Content="Belge" Tag="Document"/>
-        <ListBoxItem Content="Ses" Tag="Audio"/>
-        <ListBoxItem Content="Video" Tag="Video"/>
-        <ListBoxItem Content="Görsel" Tag="Image"/>
+        <ListBox.ItemTemplate>
+            <DataTemplate>
+                <TextBlock Text="{Binding Name}" Margin="4,2"/>
+            </DataTemplate>
+        </ListBox.ItemTemplate>
     </ListBox>
 </UserControl>

src/DownloadManager.WPF/Views/Controls/StatusBarControl.xaml

@@ -5,8 +5,20 @@
     <StatusBar>
         <StatusBarItem>
             <StackPanel Orientation="Horizontal">
-                <TextBlock Text="Aktif: " FontWeight="SemiBold"/>
-                <TextBlock Text="{Binding ActiveCount}"/>
+                <TextBlock Text="Listedeki Toplam: " FontWeight="SemiBold"/>
+                <TextBlock Text="{Binding TotalCount}" Margin="0,0,10,0"/>
+                
+                <TextBlock Text="Tamamlanan: " Foreground="Green" FontWeight="SemiBold"/>
+                <TextBlock Text="{Binding CompletedCount}" Margin="0,0,10,0"/>
+
+                <TextBlock Text="Aktif: " Foreground="Blue" FontWeight="SemiBold"/>
+                <TextBlock Text="{Binding ActiveCount}" Margin="0,0,10,0"/>
+
+                <TextBlock Text="Duraklatıldı: " Foreground="Orange" FontWeight="SemiBold"/>
+                <TextBlock Text="{Binding PausedCount}" Margin="0,0,10,0"/>
+
+                <TextBlock Text="Hata: " Foreground="Red" FontWeight="SemiBold"/>
+                <TextBlock Text="{Binding ErrorCount}"/>
             </StackPanel>
         </StatusBarItem>
         <Separator/>

src/DownloadManager.WPF/Views/Dialogs/CategoryManagerDialog.xaml

@@ -0,0 +1,47 @@
+<ui:ContentDialog
+    x:Class="DownloadManager.WPF.Views.Dialogs.CategoryManagerDialog"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:ui="http://schemas.modernwpf.com/2019"
+    Title="Kategori Yöneticisi"
+    CloseButtonText="Kapat">
+
+    <Grid Width="450" Height="400">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+        
+        <ListBox x:Name="CategoryList" Grid.Row="0" Margin="0,0,0,10" SelectionChanged="CategoryList_SelectionChanged">
+            <ListBox.ItemTemplate>
+                <DataTemplate>
+                    <TextBlock Text="{Binding Name}" FontWeight="Bold"/>
+                </DataTemplate>
+            </ListBox.ItemTemplate>
+        </ListBox>
+        
+        <Grid Grid.Row="1">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="Auto"/>
+            </Grid.RowDefinitions>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+            
+            <TextBlock Text="Kategori Adı:" Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="0,0,10,10"/>
+            <TextBox x:Name="NameBox" Grid.Row="0" Grid.Column="1" Margin="0,0,0,10"/>
+            
+            <TextBlock Text="Uzantılar (Virgülle ayırın):" Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="0,0,10,10"/>
+            <TextBox x:Name="ExtensionsBox" Grid.Row="1" Grid.Column="1" Margin="0,0,0,10"/>
+            
+            <ui:SimpleStackPanel Grid.Row="2" Grid.ColumnSpan="2" Orientation="Horizontal" Spacing="10" HorizontalAlignment="Right">
+                <Button Content="Yeni Ekle" Click="AddButton_Click"/>
+                <Button x:Name="UpdateBtn" Content="Güncelle" Click="UpdateButton_Click" IsEnabled="False"/>
+                <Button x:Name="DeleteBtn" Content="Sil" Click="DeleteButton_Click" IsEnabled="False"/>
+            </ui:SimpleStackPanel>
+        </Grid>
+    </Grid>
+</ui:ContentDialog>

src/DownloadManager.WPF/Views/Dialogs/CategoryManagerDialog.xaml.cs

@@ -0,0 +1,86 @@
+using ModernWpf.Controls;
+using DownloadManager.Core.Services;
+using DownloadManager.Core.Models;
+using System.Windows;
+using System.Linq;
+using System.Collections.ObjectModel;
+using System.Threading.Tasks;
+
+namespace DownloadManager.WPF.Views.Dialogs;
+
+public partial class CategoryManagerDialog : ContentDialog
+{
+    private readonly ICategoryService _categoryService;
+    private ObservableCollection<DownloadCategory> _categories = new();
+
+    public CategoryManagerDialog(ICategoryService categoryService)
+    {
+        InitializeComponent();
+        _categoryService = categoryService;
+        CategoryList.ItemsSource = _categories;
+        _ = LoadCategoriesAsync();
+    }
+
+    private async Task LoadCategoriesAsync()
+    {
+        _categories.Clear();
+        var items = await _categoryService.GetCategoriesAsync();
+        foreach (var item in items)
+        {
+            _categories.Add(item);
+        }
+    }
+
+    private void CategoryList_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+    {
+        if (CategoryList.SelectedItem is DownloadCategory selected)
+        {
+            NameBox.Text = selected.Name;
+            ExtensionsBox.Text = selected.Extensions;
+            UpdateBtn.IsEnabled = true;
+            DeleteBtn.IsEnabled = true;
+        }
+        else
+        {
+            NameBox.Text = "";
+            ExtensionsBox.Text = "";
+            UpdateBtn.IsEnabled = false;
+            DeleteBtn.IsEnabled = false;
+        }
+    }
+
+    private async void AddButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (string.IsNullOrWhiteSpace(NameBox.Text)) return;
+        var cat = new DownloadCategory
+        {
+            Name = NameBox.Text,
+            Extensions = ExtensionsBox.Text,
+            SavePath = "" // Varsayılanı boş bırakıyoruz
+        };
+        await _categoryService.AddCategoryAsync(cat);
+        await LoadCategoriesAsync();
+        CategoryList.SelectedItem = _categories.FirstOrDefault(c => c.Name == cat.Name);
+    }
+
+    private async void UpdateButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (CategoryList.SelectedItem is DownloadCategory selected && !string.IsNullOrWhiteSpace(NameBox.Text))
+        {
+            selected.Name = NameBox.Text;
+            selected.Extensions = ExtensionsBox.Text;
+            await _categoryService.UpdateCategoryAsync(selected);
+            await LoadCategoriesAsync();
+            CategoryList.SelectedItem = _categories.FirstOrDefault(c => c.Id == selected.Id);
+        }
+    }
+
+    private async void DeleteButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (CategoryList.SelectedItem is DownloadCategory selected)
+        {
+            await _categoryService.DeleteCategoryAsync(selected.Id);
+            await LoadCategoriesAsync();
+        }
+    }
+}

src/DownloadManager.WPF/Views/Dialogs/SettingsDialog.xaml

@@ -34,8 +34,8 @@
             </ui:SimpleStackPanel>
         </GroupBox>
 
-        <!-- Görünüm -->
-        <GroupBox Header="Görünüm">
+        <!-- Görünüm ve Kategoriler -->
+        <GroupBox Header="Görünüm ve Kategoriler">
             <ui:SimpleStackPanel Spacing="10" Margin="5">
                 <CheckBox x:Name="ShowCategoryPanelCheck" Content="Kategori Panelini Göster" IsChecked="True" Margin="0,0,0,10"/>
                 
@@ -53,6 +53,8 @@
                 </Grid>
 
                 <Button Content="Sütun Genişliklerini Sıfırla" HorizontalAlignment="Left" Margin="0,10,0,0" Click="ResetColumns_Click"/>
+                
+                <Button Content="Kategorileri ve Dosya Türlerini Yönet" HorizontalAlignment="Left" Margin="0,10,0,0" Click="ManageCategories_Click"/>
             </ui:SimpleStackPanel>
         </GroupBox>
 

src/DownloadManager.WPF/Views/Dialogs/SettingsDialog.xaml.cs

@@ -4,17 +4,20 @@ using System.IO;
 using System;
 using System.Windows.Controls;
 using System.Linq;
+using DownloadManager.WPF.Helpers;
 
 namespace DownloadManager.WPF.Views.Dialogs;
 
 public partial class SettingsDialog : ContentDialog
 {
     private readonly ISettingsService _settingsService;
+    private readonly ICategoryService _categoryService;
 
-    public SettingsDialog(ISettingsService settingsService)
+    public SettingsDialog(ISettingsService settingsService, ICategoryService categoryService)
     {
         InitializeComponent();
         _settingsService = settingsService;
+        _categoryService = categoryService;
         LoadSettings();
     }
 
@@ -46,10 +49,10 @@ public partial class SettingsDialog : ContentDialog
         
         if (ThemeCombo.SelectedItem is ComboBoxItem selectedTheme)
         {
-            await _settingsService.SetAsync("AppTheme", selectedTheme.Tag.ToString()!);
+            await _settingsService.SetAsync("AppTheme", selectedTheme.Tag?.ToString() ?? "System");
         }
 
-        await _settingsService.SetAsync("IsCategoryPanelVisible", ShowCategoryPanelCheck.IsChecked.ToString());
+        await _settingsService.SetAsync("IsCategoryPanelVisible", (ShowCategoryPanelCheck.IsChecked ?? true).ToString());
     }
 
     private void BrowseButton_Click(object sender, System.Windows.RoutedEventArgs e)
@@ -73,4 +76,12 @@ public partial class SettingsDialog : ContentDialog
             mw.ResetColumnWidths();
         }
     }
+
+    private async void ManageCategories_Click(object sender, System.Windows.RoutedEventArgs e)
+    {
+        this.Hide();
+        await Task.Delay(200); // Semaphorenun serbest kalması ve UI'ın güncellenmesi için kısa bir bekleme
+        var dialog = new CategoryManagerDialog(_categoryService);
+        await dialog.ShowAsyncSafe();
+    }
 }

src/DownloadManager.WPF/Views/MainWindow.xaml

@@ -62,6 +62,9 @@
                         <MenuItem Header="İndirmeyi Durdur / Duraklat" Command="{Binding PauseDownloadCommand}" CommandParameter="{Binding PlacementTarget.DataContext, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/>
                         <MenuItem Header="İndirmeye Devam Et" Command="{Binding ResumeDownloadCommand}" CommandParameter="{Binding PlacementTarget.DataContext, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/>
                         <Separator/>
+                        <MenuItem Header="Bekleyenleri Başlat" Command="{Binding ResumePendingCommand}"/>
+                        <MenuItem Header="Tümünü Duraklat" Command="{Binding PauseAllCommand}"/>
+                        <Separator/>
                         <MenuItem Header="Kaldır" Command="{Binding RemoveCommand}" CommandParameter="{Binding PlacementTarget.DataContext, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/>
                         <MenuItem Header="Dosyanın özelliklerini görüntüle" Command="{Binding ViewPropertiesCommand}" CommandParameter="{Binding PlacementTarget.DataContext, RelativeSource={RelativeSource AncestorType=ContextMenu}}"/>
                     </ContextMenu>
@@ -110,19 +113,50 @@
                 <Image Source="pack://application:,,,/Resources/Down_nb-02.png" HorizontalAlignment="Left" Margin="20,5" Width="40" Height="40"/>
                 <TextBlock Text="hOLOlu Download Manager" VerticalAlignment="Center" HorizontalAlignment="Left" 
                            Foreground="White" FontSize="20" FontWeight="Bold" Opacity="0.9" Margin="65,0,0,0" Height="30" Width="266">
-                        <TextBlock.BitmapEffect>
-                            <DropShadowBitmapEffect Color="Black" Direction="320" ShadowDepth="2" Opacity=".9" Softness=".2" />
-                        </TextBlock.BitmapEffect>
-                    </TextBlock>
+                    <TextBlock.BitmapEffect>
+                        <DropShadowBitmapEffect Color="Black" Direction="320" ShadowDepth="2" Opacity=".9" Softness=".2" />
+                    </TextBlock.BitmapEffect>
+                </TextBlock>
 
                 <!-- Canlı Hız Grafiği -->
                 <Polyline Points="{Binding SpeedPoints}" Stroke="White" StrokeThickness="2" 
                           HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,0,20,5"
-                          Opacity="0.6" Stretch="None">
+                          Opacity="0.4" Stretch="None">
                     <Polyline.Effect>
                         <DropShadowEffect BlurRadius="5" ShadowDepth="0" Color="White" Opacity="0.5"/>
                     </Polyline.Effect>
                 </Polyline>
+
+                <!-- Global İstatistikler -->
+                <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="0,0,30,0">
+                    <StackPanel VerticalAlignment="Center" Margin="0,0,20,0">
+                        <TextBlock Text="Toplam Hız" Foreground="Yellow" FontSize="11" Opacity="0.8" HorizontalAlignment="Right" FontWeight="Bold">
+                            <TextBlock.Effect>
+                                <DropShadowEffect BlurRadius="1" ShadowDepth="1" Opacity="0.8"/>
+                            </TextBlock.Effect>
+                        </TextBlock>
+                        <TextBlock Text="{Binding TotalSpeed}" Foreground="White" FontSize="22" FontWeight="Bold" HorizontalAlignment="Right">
+                            <TextBlock.Effect>
+                                <DropShadowEffect BlurRadius="4" ShadowDepth="1" Opacity="0.5"/>
+                            </TextBlock.Effect>
+                        </TextBlock>
+                    </StackPanel>
+                    <StackPanel VerticalAlignment="Center">
+                        <TextBlock Text="Aktif Görev" Foreground="GreenYellow" FontSize="11" Opacity="0.8" HorizontalAlignment="Right" FontWeight="Bold">
+                            <TextBlock.Effect>
+                                <DropShadowEffect BlurRadius="1" ShadowDepth="1" Opacity="0.8"/>
+                            </TextBlock.Effect>
+                        </TextBlock>
+                        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                            <TextBlock Text="{Binding ActiveCount}" Foreground="White" FontSize="18" FontWeight="SemiBold">
+                                <TextBlock.Effect>
+                                    <DropShadowEffect BlurRadius="1" ShadowDepth="1" Opacity="0.5"/>
+                                </TextBlock.Effect>
+                            </TextBlock>
+                            <TextBlock Text="{Binding ActiveSegmentsTotal, StringFormat=' ({0})'}" Foreground="White" FontSize="12" Opacity="0.8" VerticalAlignment="Bottom" Margin="5,0,0,2"/>
+                        </StackPanel>
+                    </StackPanel>
+                </StackPanel>
                 <Canvas>
                     <Line X1="0" Y1="10" X2="2000" Y2="10" Stroke="WhiteSmoke" StrokeThickness="0.5"
               StrokeDashArray="1,15"/>
@@ -143,6 +177,10 @@
         <!-- CommandBar -->
         <ui:CommandBar Grid.Row="1" Grid.ColumnSpan="2">
             <ui:AppBarButton Icon="Add" Label="Ekle" Command="{Binding AddDownloadCommand}"/>
+            <ui:AppBarSeparator/>
+            <ui:AppBarButton Icon="Play" Label="Bekleyenleri Başlat" Command="{Binding ResumePendingCommand}"/>
+            <ui:AppBarButton Icon="Pause" Label="Tümünü Duraklat" Command="{Binding PauseAllCommand}"/>
+            <ui:AppBarSeparator/>
             <ui:AppBarButton Icon="Pause" Label="Duraklat" Command="{Binding PauseDownloadCommand}" CommandParameter="{Binding SelectedDownload}"/>
             <ui:AppBarButton Icon="Play" Label="Devam Et" Command="{Binding ResumeDownloadCommand}" CommandParameter="{Binding SelectedDownload}"/>
             <ui:AppBarSeparator/>

src/DownloadManager.WPF/obj/Debug/net8.0-windows10.0.19041.0/DownloadManager.WPF.AssemblyInfo.cs

@@ -13,7 +13,7 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("hDM")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+81faa715a4eb11a2bf648f52891306b46ea7c256")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+561a953b1f10b7ec16bef81fdcd4030ad9d5f1e4")]
 [assembly: System.Reflection.AssemblyProductAttribute("hDM")]
 [assembly: System.Reflection.AssemblyTitleAttribute("hDM")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

src/DownloadManager.WPF/obj/Debug/net8.0-windows10.0.19041.0/DownloadManager.WPF.AssemblyInfoInputs.cache

@@ -1 +1 @@
-15b715facae8161371d168a1fc5a82bac9e7d3bc1e94fbaab03eaf9f99e1dfc4
+32463e5e28a863779906dcfe49a1890e4ff2e70459ec498a9ce269130c426e03

src/DownloadManager.WPF/obj/Debug/net8.0-windows10.0.19041.0/DownloadManager.WPF.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-1581cd8303614e8729279b1784d87a0d2107ccbd3e116182e147b66ee67f7f74
+1d57680cc43827eda09ec10bdfa781db844bf5e57f23efe30b5e47096a22f495

src/DownloadManager.WPF/obj/Debug/net8.0-windows10.0.19041.0/DownloadManager.WPF.csproj.FileListAbsolute.txt

@@ -266,3 +266,5 @@ D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-wi
 D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-windows10.0.19041.0\hDM.pdb
 D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-windows10.0.19041.0\DownloadManager.WPF.genruntimeconfig.cache
 D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-windows10.0.19041.0\ref\hDM.dll
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-windows10.0.19041.0\Views\Dialogs\CategoryManagerDialog.baml
+D:\Calismalar\AI\hDM\DownloadManager\src\DownloadManager.WPF\obj\Debug\net8.0-windows10.0.19041.0\Views\Dialogs\CategoryManagerDialog.g.cs