Add Zip download link

Web/Controllers/LeafInputController.cs

@@ -1,6 +1,10 @@
 using System;
+using System.Collections;
+using System.Collections.Generic;
 using System.IO;
+using System.IO.Compression;
 using System.Linq;
+using System.Runtime.InteropServices.ComTypes;
 using System.Web;
 using System.Web.Mvc;
 using LeafWeb.Core.Entities;
@@ -100,6 +104,15 @@ namespace LeafWeb.Web.Controllers
 			return View("Index", viewModel);
 		}
 
+		public FileContentResult DownloadResults(int d)
+		{
+			var leafInput = DataService.GetLeafInput(d);
+
+			var zip = leafInput.GetOutputFileZip();
+			
+			return new FileContentResult(zip, "application/zip") {FileDownloadName = leafInput.Identifier + ".zip"};
+		}
+
 		private FileInfo[] GetBackloadDirectoryFiles(string directoryName)
 		{
 			var path = Path.Combine(Server.MapPath("~/Files/"), directoryName + "\\");