Fulfill export executor

Hcs.WebApp/Services/RegistryService.cs

@@ -14,5 +14,11 @@ namespace Hcs.WebApp.Services
                           where registry.IsCommon == isCommon
                           select registry).ToListAsync();
         }
+
+        public async Task<Registry> GetRegistryByOperationId(int operationId)
+        {
+            using var context = factory.CreateDbContext();
+            return await context.Registries.SingleAsync(x => x.LastSyncOperationId == operationId);
+        }
     }
 }