refactor file update handling

src/SharpIDE.Application/Features/Analysis/CodeActionService.cs

@@ -0,0 +1,19 @@
+using Microsoft.CodeAnalysis.CodeActions;
+using SharpIDE.Application.Features.FileWatching;
+
+namespace SharpIDE.Application.Features.Analysis;
+
+public class CodeActionService(RoslynAnalysis roslynAnalysis, FileChangedService fileChangedService)
+{
+	private readonly RoslynAnalysis _roslynAnalysis = roslynAnalysis;
+	private readonly FileChangedService _fileChangedService = fileChangedService;
+
+	public async Task ApplyCodeAction(CodeAction codeAction)
+	{
+		var affectedFiles = await _roslynAnalysis.GetCodeActionApplyChanges(codeAction);
+		foreach (var (affectedFile, updatedText) in affectedFiles)
+		{
+			await _fileChangedService.SharpIdeFileChanged(affectedFile, updatedText, FileChangeType.CodeActionChange);
+		}
+	}
+}