Python Programming Blueprints

Creating the views

Before we create the views, we are going to create some helper classes and functions that will make the code in the view simpler and clean. Go ahead and create a file called view_helper.py in the main app directory, and as usual, let's start by including the import statements:

from rest_framework import generics, statusfrom rest_framework.response import Responsefrom django.http import HttpResponsefrom .exceptions import InvalidArgumentErrorfrom .exceptions import OrderAlreadyCancelledErrorfrom .exceptions import OrderAlreadyCompletedErrorfrom .serializers import OrderSerializer

Here, we import some things from the Django REST Framework, the main one being the generic, which contains definitions for the generic view classes ...