Implementing an endpoint to retrieve a note by id using HTTP verb GET

To retrieve a record of Note, we will implement an endpoint that meets specific requirements. Let's make a list of these requirements to understand what the request and response should look like for our endpoint that returns a Note when an id argument is provided.

The request is expected to meet the following criteria:

• The HTTP method will be GET.
• The HTTP route will be /notes/:id.
• The resource URL will have the id argument of the Note we are trying to retrieve.

The response is expected to meet the following criteria:

• Select Note from the database using the built-in orm-based syntax whose id is the same as the id argument present in the resource URL.
• When the id argument that is present in the resource URL does not match any of the records in the database, the following will occur:
  • The response body will have a CustomResponse struct encoded into JSON with a reasonable message...