Creating a todo resource

We will focus on creating REST services for a basic todo management system. We will create services for the following:

• Retrieving a list of todos for a given user
• Retrieving details for a specific todo
• Creating a todo for a user

Request methods, operations, and URIs

One of the best practices of REST services is to use the appropriate HTTP request method based on the action we perform. In the services we exposed until now, we used the GET method, as we focused on services that read data.

The following table shows the appropriate HTTP Request method based on the operation that we perform:

HTTP Request Method	Operation
GET	Read--Retrieve details for a resource
POST	Create--Create a new item or resource
PUT	Update/replace
PATCH	Update/modify a part of the resource
DELETE	Delete

Let's quickly map the services that we want to create to the appropriate request methods:

• Retrieving a list of todos for a given user: This is READ. We will use GET. We will use a URI: /users/{name}/todos. One more...