PUT-ting data

In this recipe, you will learn how to perform a PUT action on a web service. This is useful when your apps need to edit existing data in a web service.

Getting ready

1. To follow along with this recipe, you need to have completed the code in the previous recipe.

How to do it...

To perform a PUT action on a web service, follow these steps:

• Log into the Wiremock service at https://app.wiremock.cloud and click on the Stubs section of the example API. Then, create a new Stub.

• Complete the request, as follows:

  • Name: Put Pizza
  • Verb: PUT
  • Address: /pizza
  • Status: 200
  • Body Type: json
  • Body: {"message": "Pizza was updated"}

  

• Click the “Save” button
• In the Flutter project, add a putPizza method to the HttpHelper class in the http_helper.dart file:

  Future<String> putPizza(Pizza pizza) async {
    const putPath = '/pizza';
    String put = json.encode(pizza.toJson());
    Uri url = Uri.https(authority, putPath);
    http.Response...