Upgrade single project and nuget lookup fix

DotNetSolutionTools.Core/Infrastructure/NugetLookup.cs

@@ -7,20 +7,58 @@ namespace DotNetSolutionTools.Core.Infrastructure;
 
 public static class NugetLookup
 {
-    public static async Task<NuGetVersion> FetchPackageMetadataAsync(string packageId)
+    public static async Task<NuGetVersion> FetchPackageMetadataAsync(string packageId, bool isCurrentlyPrerelease)
     {
         var cache = new SourceCacheContext();
         var repositories = Repository.Factory.GetCoreV3("https://api.nuget.org/v3/index.json");
         var logger = NullLogger.Instance;
 
         var resource = await repositories.GetResourceAsync<FindPackageByIdResource>();
-        var versions = await resource.GetAllVersionsAsync(
-            packageId,
-            cache,
-            logger,
-            CancellationToken.None
-        );
+        var versions = await resource.GetAllVersionsAsync(packageId, cache, logger, CancellationToken.None);
 
-        return versions.Last(s => s.IsPrerelease == false);
+        var latestPrereleaseVersion = versions.LastOrDefault(s => s.IsPrerelease == true);
+        var latestStableVersion = versions.LastOrDefault(s => s.IsPrerelease == false);
+
+        if (latestStableVersion is null && latestPrereleaseVersion is null)
+        {
+            Throw(packageId);
+        }
+
+        if (latestStableVersion is null)
+        {
+            if (isCurrentlyPrerelease && latestPrereleaseVersion is not null)
+            {
+                return latestPrereleaseVersion;
+            }
+            else
+            {
+                Throw(packageId);
+            }
+        }
+
+        if (latestPrereleaseVersion is null)
+        {
+            return latestStableVersion;
+        }
+
+        if (latestStableVersion > latestPrereleaseVersion)
+        {
+            return latestStableVersion;
+        }
+
+        if (isCurrentlyPrerelease)
+        {
+            return latestPrereleaseVersion;
+        }
+
+        return latestStableVersion;
+    }
+
+    public static void Throw(string packageId)
+    {
+        throw new ArgumentNullException(
+            "latestVersion",
+            $"No latest stable or prerelease Nuget package version found for {packageId}"
+        );
     }
 }