File filters

DotNetSolutionTools.App/Services/FileService.cs

@@ -6,7 +6,26 @@ namespace DotNetSolutionTools.App.Services;
 
 public class FileService
 {
-    public async Task<IStorageFile?> DoOpenFilePickerAsync()
+    private readonly FilePickerFileType _csprojFileType = new("C# Project File")
+    {
+        Patterns = new[] { "*.csproj" }
+    };
+    private readonly FilePickerFileType _slnFileType = new("C# Solution File")
+    {
+        Patterns = new[] { "*.sln" }
+    };
+
+    public async Task<IStorageFile?> DoOpenFilePickerCsprojAsync()
+    {
+        return await DoOpenFilePickerAsync(_csprojFileType);
+    }
+    
+    public async Task<IStorageFile?> DoOpenFilePickerSlnAsync()
+    {
+        return await DoOpenFilePickerAsync(_slnFileType);
+    }
+    
+    public async Task<IStorageFile?> DoOpenFilePickerAsync(FilePickerFileType fileType)
     {
         if (
             Application.Current?.ApplicationLifetime
@@ -16,7 +35,7 @@ public class FileService
             throw new NullReferenceException("Missing StorageProvider instance.");
 
         var files = await provider.OpenFilePickerAsync(
-            new FilePickerOpenOptions() { Title = "Open Text File", AllowMultiple = false }
+            new FilePickerOpenOptions() { Title = "Open File", AllowMultiple = false, FileTypeFilter = [fileType] }
         );
 
         return files?.Count >= 1 ? files[0] : null;
@@ -32,7 +51,7 @@ public class FileService
             throw new NullReferenceException("Missing StorageProvider instance.");
 
         var folder = await provider.OpenFolderPickerAsync(
-            new FolderPickerOpenOptions() { Title = "Open Text File", AllowMultiple = false }
+            new FolderPickerOpenOptions() { Title = "Select Folder", AllowMultiple = false }
         );
 
         return folder?.Count >= 1 ? folder[0] : null;

DotNetSolutionTools.App/ViewModels/MainWindowViewModel.cs

@@ -243,7 +243,7 @@ public partial class MainWindowViewModel : ViewModelBase
     {
         try
         {
-            var file = await _fileService.DoOpenFilePickerAsync();
+            var file = await _fileService.DoOpenFilePickerSlnAsync();
             if (file is null)
                 return;
 
@@ -295,7 +295,7 @@ public partial class MainWindowViewModel : ViewModelBase
     {
         try
         {
-            var folder = await _fileService.DoOpenFilePickerAsync();
+            var folder = await _fileService.DoOpenFilePickerCsprojAsync();
             if (folder is null)
                 return;