Implement result getter

Hcs.WebApp/BackgroundServices/ResultGetters/NsiCommon/ExportNsiItemGetter_15_7_0_1.cs

@@ -0,0 +1,29 @@
+using Hcs.Broker;
+using Hcs.WebApp.Data.Hcs;
+using Hcs.WebApp.Services;
+
+namespace Hcs.WebApp.BackgroundServices.ResultGetters.NsiCommon
+{
+    public class ExportNsiItemGetter_15_7_0_1(IClient client, IServiceScope scope, Operation operation) : ResultGetterBase(client, scope, operation)
+    {
+        public override async Task<ResultGetterResponse> GetAsync()
+        {
+            var result = await client.NsiCommon.GetExportNsiItemResultAsync(operation.MessageGuid!);
+            if (!result.Ready)
+            {
+                return ResultGetterResponse.NotReady;
+            }
+
+            if (result.Success)
+            {
+                var registryService = scope.ServiceProvider.GetRequiredService<RegistryService>();
+                var registry = await registryService.GetRegistryByOperationIdAsync(operation.Id);
+                // TODO
+
+                return ResultGetterResponse.Successful;
+            }
+
+            return ResultGetterResponse.Failed;
+        }
+    }
+}