Refactor string interpolation to handle potential null values in PeopleMessageFormatter and Worker classes

Author: niteshsinghal85

src/Examples/OpenApiNSwagClientExample/PeopleMessageFormatter.cs

@@ -38,7 +38,7 @@ private static void WritePerson(DataInPersonResponse person, ICollection<Resourc
     {
         ICollection<TodoItemIdentifierInResponse> assignedTodoItems = person.Relationships.AssignedTodoItems?.Data ?? [];
 
-        builder.AppendLine($"  Person {person.Id}: {person.Attributes.DisplayName} with {assignedTodoItems.Count} assigned todo-items:");
+        builder.AppendLine($"  Person {person.Id}: {person.Attributes.DisplayName ?? string.Empty} with {assignedTodoItems.Count} assigned todo-items:");
         WriteRelatedTodoItems(assignedTodoItems, includes, builder);
     }
 
@@ -48,9 +48,9 @@ private static void WriteRelatedTodoItems(IEnumerable<TodoItemIdentifierInRespon
         foreach (TodoItemIdentifierInResponse todoItemIdentifier in todoItemIdentifiers)
         {
             DataInTodoItemResponse includedTodoItem = includes.OfType<DataInTodoItemResponse>().Single(include => include.Id == todoItemIdentifier.Id);
-            ICollection<TagIdentifierInResponse> tags = includedTodoItem.Relationships.Tags?.Data ?? [];
+            ICollection<TagIdentifierInResponse> tags = includedTodoItem.Relationships?.Tags?.Data ?? [];
 
-            builder.AppendLine($"    TodoItem {includedTodoItem.Id}: {includedTodoItem.Attributes.Description} with {tags.Count} tags:");
+            builder.AppendLine($"    TodoItem {includedTodoItem.Id}: {includedTodoItem.Attributes.Description ?? string.Empty} with {tags.Count} tags:");
             WriteRelatedTags(tags, includes, builder);
         }
     }
@@ -60,7 +60,7 @@ private static void WriteRelatedTags(IEnumerable<TagIdentifierInResponse> tagIde
         foreach (TagIdentifierInResponse tagIdentifier in tagIdentifiers)
         {
             DataInTagResponse includedTag = includes.OfType<DataInTagResponse>().Single(include => include.Id == tagIdentifier.Id);
-            builder.AppendLine($"      Tag {includedTag.Id}: {includedTag.Attributes.Name}");
+            builder.AppendLine($"      Tag {includedTag.Id}: {includedTag.Attributes?.Name ?? string.Empty}");
         }
     }
 }

src/Examples/OpenApiNSwagClientExample/Worker.cs

@@ -166,6 +166,6 @@ private async Task SendOperationsRequestAsync(CancellationToken cancellationToke
         ApiResponse<OperationsResponseDocument> operationsResponse = await _apiClient.PostOperationsAsync(operationsRequest, cancellationToken);
 
         var newTodoItem = (DataInTodoItemResponse)operationsResponse.Result.Atomic_results.ElementAt(3).Data;
-        Console.WriteLine($"Created todo-item with ID {newTodoItem.Id}: {newTodoItem.Attributes.Description}.");
+        Console.WriteLine($"Created todo-item with ID {newTodoItem.Id}: {newTodoItem.Attributes?.Description ?? string.Empty}.");
     }
 }