Powerful Command-Line Applications in Go

Completing the REST API Server

With the general structure of your API server ready, let’s add the CRUD operations for the to-do list. You’ll use the to-do API you developed in ​Defining the To-Do API​.

Your to-do REST API supports these operations:

Table 1. To-Do REST API Operations

Method	URL	Description
GET	/todo	Retrieve all to-do items
GET	/todo/{number}	Retrieve a to-do item {number}
POST	/todo	Create a to-do item
PATCH	/todo/{number}?complete	Mark a to-do item {number} as completed
DELETE	/todo/{number}	Delete a to-do item {number}

The REST API serves all to-do--related content using the /todo URL path. It handles different operations based on the HTTP method, path, and parameters. The path may include a number for operations that act on a single to-do ...