From d953fa9179291140775fce259f923f1b3bda7e01 Mon Sep 17 00:00:00 2001
From: Timothy Baldridge <tbaldridge@gmail.com>
Date: Thu, 10 Sep 2020 07:07:25 -0600
Subject: [PATCH] Ask the server for known upgrades as a last resource (for all
 downloads)

---
 Wabbajack.Lib/Downloaders/AbstractDownloadState.cs |  2 +-
 Wabbajack.Lib/Downloaders/DownloadDispatcher.cs    | 11 +++++++----
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Wabbajack.Lib/Downloaders/AbstractDownloadState.cs b/Wabbajack.Lib/Downloaders/AbstractDownloadState.cs
index 8c4c0441..f3954c40 100644
--- a/Wabbajack.Lib/Downloaders/AbstractDownloadState.cs
+++ b/Wabbajack.Lib/Downloaders/AbstractDownloadState.cs
@@ -101,7 +101,7 @@ namespace Wabbajack.Lib.Downloaders
             return string.Join("\n", GetMetaIni());
         }
 
-        public async Task<(Archive? Archive, TempFile NewFile)> ServerFindUpgrade(Archive a)
+        public static async Task<(Archive? Archive, TempFile NewFile)> ServerFindUpgrade(Archive a)
         {
             var alternatives = await ClientAPI.GetModUpgrades(a.Hash);
             if (alternatives == default)
diff --git a/Wabbajack.Lib/Downloaders/DownloadDispatcher.cs b/Wabbajack.Lib/Downloaders/DownloadDispatcher.cs
index 7bc1aa2b..438d8002 100644
--- a/Wabbajack.Lib/Downloaders/DownloadDispatcher.cs
+++ b/Wabbajack.Lib/Downloaders/DownloadDispatcher.cs
@@ -126,10 +126,13 @@ namespace Wabbajack.Lib.Downloaders
             var result = await FindUpgrade(archive);
             if (result == default)
             {
-                Utils.Log(
-                    $"No solution for broken download {archive.Name} {archive.State.PrimaryKeyString} could be found");
-                return DownloadResult.Failure;
-
+                result = await AbstractDownloadState.ServerFindUpgrade(archive);
+                if (result == default)
+                {
+                    Utils.Log(
+                        $"No solution for broken download {archive.Name} {archive.State.PrimaryKeyString} could be found");
+                    return DownloadResult.Failure;
+                }
             }
 
             Utils.Log($"Looking for patch for {archive.Name} ({(long)archive.Hash} {archive.Hash.ToHex()} -> {(long)result.Archive!.Hash} {result.Archive!.Hash.ToHex()})");