Add download links

Web/Services/DownloadUrlService.cs

@@ -0,0 +1,22 @@
+using System.Configuration;
+using LeafWeb.Core.Entities;
+
+namespace LeafWeb.Web.Services
+{
+	public class DownloadUrlService
+	{
+		private readonly string _downloadUrl;
+
+		public DownloadUrlService()
+		{
+			_downloadUrl =
+				ConfigurationManager.AppSettings["LeafWebUrl"]
+				+ ConfigurationManager.AppSettings["ResultsDownloadPath"];
+		}
+
+		public string GetDownloadUrl(LeafInput leafInput)
+		{
+			return string.Format(_downloadUrl, leafInput.UniqueToken);
+		}
+	}
+}