Build a GraphQL API using Django

About This Tutorial

This tutorial will introduce GraphQL to the participants, and walk them through rebuilding the poll app as a GraphQL api.

What is GraphQL? (10 Minutes)

• What does GraphQL stand for?
• Where it came from?

Why would you consider using it? (5 Minutes)

• What problems does GraqhQL solve.

GraphQL concepts (Schemas, Fields, Queries, Mutations) (10 Minutes)

• Go over some of the theory behind the GraphQL concepts

  • Schemas
  • Fields
  • Queries
  • Mutations

Graphene (the go-to Python GraphQL framework) (5 Minutes)

• Overview of the graphene framework

Setting up a project with django-graphene (30 Minutes)

• Introduce the sample application (Polls) we shall be building
• Setup a simple django project and walkthrough how to get django-graphene setup
• Setup the models for the sample application (Polls)

Building your schema (10 Minutes)

• Add a simple schema to the project and view it using the GraphiQL tool

Adding queries to your GraphQL api (10 Minutes)

• Add the relevant queries to the schema for our sample application

Test your API with GraphiQL (10 Minutes)

• Introduction to the GraphiQL tool and how to use it to view your data

Changing data through mutations (10 Minutes)

• Add a mutation to the schema

Writing unit tests for your GraphQL api (20 Minutes)

• Write tests for the queries in the API
• Write test for the mutations in the API
• Go over some patterns to make it easier to write these kinds of tests

Handling authorization in your GraphQL API (10 Minutes)

• Securing data based on the logged in user

Questions