fix file exclusions for torbox sometimes returning 0 files

server/RdtClient.Service/Services/DebridClients/TorBoxDebridClient.cs

@@ -144,6 +144,11 @@ public async Task<IList<DebridClientAvailableFile>> GetAvailableFiles(String has
     /// <inheritdoc />
     public Task<Int32?> SelectFiles(Torrent torrent)
     {
+        if (torrent.Files.Count == 0)
+        {
+            return Task.FromResult<Int32?>(null);
+        }
+
         return Task.FromResult<Int32?>(torrent.Files.Count);
     }
 

server/RdtClient.Service/Services/TorrentRunner.cs

@@ -710,9 +710,12 @@ await remoteService.UpdateRateLimitStatus(new()
                 {
                     Log($"Selecting files", torrent);
 
-                    await torrents.SelectFiles(torrent.TorrentId);
+                    var filesSelected = await torrents.SelectFiles(torrent.TorrentId);
 
-                    await torrents.UpdateFilesSelected(torrent.TorrentId, DateTime.UtcNow);
+                    if (filesSelected)
+                    {
+                        await torrents.UpdateFilesSelected(torrent.TorrentId, DateTime.UtcNow);
+                    }
                 }
 
                 // Debrid provider finished downloading the torrent, process the file to host.

server/RdtClient.Service/Services/Torrents.cs

@@ -415,21 +415,30 @@ public async Task<IList<DebridClientAvailableFile>> GetAvailableFiles(String has
         return result;
     }
 
-    public async Task SelectFiles(Guid torrentId)
+    public async Task<Boolean> SelectFiles(Guid torrentId)
     {
         var torrent = await GetById(torrentId);
 
         if (torrent == null)
         {
-            return;
+            return true;
         }
 
         var selected = await DebridClient.SelectFiles(torrent);
 
+        if (selected == null)
+        {
+            logger.LogWarning("File list not yet available from the debrid provider, retrying file selection next cycle {torrentInfo}", torrent.ToLog());
+
+            return false;
+        }
+
         if (selected == 0)
         {
             await MarkAllFilesExcluded(torrent);
         }
+
+        return true;
     }
 
     public async Task CreateDownloads(Guid torrentId)