Add download input link

Core/Entities/LeafInput.cs

@@ -73,6 +73,27 @@ namespace LeafWeb.Core.Entities
 			}
 		}
 		
+		/// <summary>
+		/// Contains all input files in a zip
+		/// </summary>
+		public byte[] GetInputFileZip()
+		{
+			using (var compressedFileStream = new MemoryStream())
+			{
+				using (var archive = new ZipArchive(compressedFileStream, ZipArchiveMode.Create, true))
+				{
+					foreach (var inputFile in InputFiles)
+					{
+						var entry = archive.CreateEntry(inputFile.Filename);
+						using (var originalFileStream = new MemoryStream(inputFile.Contents))
+						using (var entryStream = entry.Open())
+							originalFileStream.CopyTo(entryStream);
+					}
+				}
+				return compressedFileStream.ToArray();
+			}
+		}
+
 		public int GetOutputFileSizeSum()
 		{
 			return OutputFiles.Sum(o => o.FileContents.Contents.Length);

Web/Controllers/ResultsAdminController.cs

@@ -28,6 +28,11 @@ namespace LeafWeb.Web.Controllers
 			return View(viewModel);
 		}
 
+		public ActionResult DownloadInput(int id)
+		{
+			return GetInputZip(id);
+		}
+
 		public ActionResult DownloadOutputToUser(int id)
 		{
 			return GetOutputZip(id, LeafOutputFileType.ToUser);
@@ -57,6 +62,20 @@ namespace LeafWeb.Web.Controllers
 			return new FileContentResult(zip, "application/zip") { FileDownloadName = filename };
 		}
 
+	    private ActionResult GetInputZip(int id)
+	    {
+			var leafInput = DataService.GetLeafInput(id);
+
+			if (leafInput == null)
+				return View("DownloadNotFound");
+
+			var zip = leafInput.GetInputFileZip();
+
+			var filename = $"{leafInput.Identifier.FilterValidFilename()}_Input.zip";
+
+			return new FileContentResult(zip, "application/zip") { FileDownloadName = filename };
+		}
+
 		public ActionResult Delete(int id)
 		{
 			var leafInput = DataService.GetLeafInput(id);

Web/Views/ResultsAdmin/Index.cshtml

@@ -20,7 +20,8 @@
         grid.Column("Total Results: " + Model.Count(), format:
         @<div class="btn-group" role="group">
             @Html.ActionLink("Details", "Details", new { id = item.LeafInputId }, new { @class = "btn btn-default btn-xs", role = "button" })
-            @Html.ActionLink("Download", "DownloadOutputToUser", new { id = item.LeafInputId }, new { @class = "btn btn-default btn-xs", role = "button" })
+            @Html.ActionLink("Dwnld", "DownloadOutputToUser", new { id = item.LeafInputId }, new { @class = "btn btn-default btn-xs", role = "button" })
+            @Html.ActionLink("Dwnld Input", "DownloadInput", new { id = item.LeafInputId }, new { @class = "btn btn-default btn-xs", role = "button" })
             @Html.ActionLink("Delete", "Delete", new { id = item.LeafInputId }, new { @class = "btn btn-default btn-xs", role="button" })
         </div>)
         ),