search modal v1

src/SharpIDE.Application/Features/Search/SearchService.cs

@@ -0,0 +1,29 @@
+using System.Collections.Concurrent;
+using System.IO.MemoryMappedFiles;
+using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
+
+namespace SharpIDE.Application.Features.Search;
+
+public static class SearchService
+{
+	public static async Task FindInFiles(SharpIdeSolutionModel solutionModel, string searchTerm)
+	{
+		if (searchTerm.Length < 4)
+		{
+			return;
+		}
+		var files = solutionModel.AllFiles;
+		ConcurrentBag<string> results = [];
+		await Parallel.ForEachAsync(files, async (file, ct) =>
+			{
+				await foreach (var (index, line) in File.ReadLinesAsync(file.Path, ct).Index().WithCancellation(ct))
+				{
+					if (line.Contains(searchTerm, StringComparison.OrdinalIgnoreCase))
+					{
+						results.Add($"{file.Path} (Line {index + 1}): {line.Trim()}");
+					}
+				}
+			}
+		);
+	}
+}