Enable conversion of existing Swift reviews and disable conversion of…

src/dotnet/APIView/APIViewWeb/Languages/SwiftLanguageService.cs

@@ -8,6 +8,7 @@ namespace APIViewWeb
     public class SwiftLanguageService : JsonLanguageService
     {
         public override string Name { get; } = "Swift";
+        public override string VersionString { get; } = "0.3.0";
 
         //Swift doesn't have any parser for now
         //It will upload a json file with name Swift so Swift reviews are listed under that filter type
@@ -22,5 +23,15 @@ public override bool IsSupportedFile(string name)
             // This is only a temporary solution for POC and will be remvoed once autorest yaml is uploaded instead of json for LLC
             return false;
         }
+
+        public override bool CanUpdate(string versionString)
+        {
+            return false;
+        }
+
+        public override bool CanConvert(string versionString)
+        {
+            return versionString != VersionString;
+        }
     }
 }

src/dotnet/APIView/APIViewWeb/Languages/TypeSpecLanguageService.cs

@@ -46,7 +46,7 @@ public override bool CanUpdate(string versionString)
 
         public override bool CanConvert(string versionString)
         {
-            return versionString != VersionString;
+            return false
         }
 
         public override bool GeneratePipelineRunParams(APIRevisionGenerationPipelineParamModel param)