Try to fix delete functionality (#151)

Author: aristosvo

tools/code/common/CommonTypes.cs

@@ -1,4 +1,4 @@
-using Flurl;
+using Flurl;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
@@ -157,6 +157,11 @@ public static string GetName(this IArtifactDirectory directory)
         return directory.GetDirectoryInfo().Name;
     }
 
+    public static bool DirectoryExists(this IArtifactDirectory directory)
+    {
+        return directory.GetDirectoryInfo().Exists;
+    }
+
     public static IEnumerable<FileInfo> EnumerateFilesRecursively(this IArtifactDirectory directory)
     {
         return directory.GetDirectoryInfo()

tools/code/publisher/Api.cs

@@ -1,4 +1,4 @@
-using common;
+using common;
 using Microsoft.Extensions.Logging;
 using Microsoft.OpenApi;
 using Microsoft.OpenApi.Extensions;
@@ -253,10 +253,10 @@ public static ApiUri GetApiUri(ApiName apiName, ServiceUri serviceUri)
 
     private static ApiSpecificationFile? TryGetExistingSpecificationFile(ApiDirectory apiDirectory, ServiceDirectory serviceDirectory)
     {
-        return apiDirectory.GetDirectoryInfo()
+        return apiDirectory.DirectoryExists() ? apiDirectory.GetDirectoryInfo()
                            .EnumerateFiles()
                            .Choose(file => TryGetApiSpecificationFile(file, serviceDirectory))
-                           .FirstOrDefault();
+                           .FirstOrDefault() : null;
     }
 
     private static async ValueTask PutApi(ApiName apiName, ApiInformationFile? apiInformationFile, ApiSpecificationFile? specificationFile, JsonObject? configurationApiJson, ServiceUri serviceUri, PutRestResource putRestResource, ILogger logger, CancellationToken cancellationToken)