From 9c50cbc7f4f77cf3ae88e22e19aa7fbe179e4eab Mon Sep 17 00:00:00 2001
From: Paul Betts <paul@paulbetts.org>
Date: Fri, 8 Aug 2014 12:38:50 +0200
Subject: [PATCH] DownloadReleases into its own class

---
 src/Squirrel/UpdateManager.DownloadReleases.cs | 14 ++++++++++++--
 src/Squirrel/UpdateManager.cs                  |  3 ++-
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/Squirrel/UpdateManager.DownloadReleases.cs b/src/Squirrel/UpdateManager.DownloadReleases.cs
index 0f873144..679bc927 100644
--- a/src/Squirrel/UpdateManager.DownloadReleases.cs
+++ b/src/Squirrel/UpdateManager.DownloadReleases.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -11,13 +12,22 @@ namespace Squirrel
     {
         class DownloadReleases : IEnableLogger
         {
-            public async Task DownloadReleases(IEnumerable<ReleaseEntry> releasesToDownload, Action<int> progress = null)
+            readonly string rootAppDirectory;
+
+            public DownloadReleases(string rootAppDirectory)
+            {
+                this.rootAppDirectory = rootAppDirectory;
+            }
+
+            public async Task DownloadReleases(string updateUrlOrPath, IEnumerable<ReleaseEntry> releasesToDownload, Action<int> progress = null, IFileDownloader urlDownloader = null)
             {
                 progress = progress ?? (_ => { });
+                urlDownloader = urlDownloader ?? new FileDownloader();
+
                 int current = 0;
                 int toIncrement = (int)(100.0 / releasesToDownload.Count());
 
-                if (isHttpUrl(updateUrlOrPath)) {
+                if (Utility.IsHttpUrl(updateUrlOrPath)) {
                     await releasesToDownload.ForEachAsync(async x => {
                         await urlDownloader.DownloadFile(
                             String.Format("{0}/{1}", updateUrlOrPath, x.Filename),
diff --git a/src/Squirrel/UpdateManager.cs b/src/Squirrel/UpdateManager.cs
index 092339ec..a9b35ee6 100644
--- a/src/Squirrel/UpdateManager.cs
+++ b/src/Squirrel/UpdateManager.cs
@@ -49,7 +49,8 @@ namespace Squirrel
 
         public Task DownloadReleases(IEnumerable<ReleaseEntry> releasesToDownload, Action<int> progress = null)
         {
-            throw new NotImplementedException();
+            var downloadReleases = new DownloadReleases(rootAppDirectory);
+            return downloadReleases.DownloadReleases(updateUrlOrPath, releasesToDownload, progress, urlDownloader);
         }
 
         public Task ApplyReleases(UpdateInfo updateInfo, Action<int> progress = null)