Handling the upvote post request
Let's get into it. Same as before, the request comes into our application through the API, whether it be a GraphQL mutation
resolver or a RESTful API controller.
This time we'll use the RESTful API. As always, we inject the controller with the upvotePost
Use Case/Application Service.
// post/useCases/upvotePost/index.ts
// Setting up a controller by passing in the Use Case.
import { UpvotePost } from "./UpvotePost";
import { memberRepo, postRepo, postVotesRepo } from "../../../repos";
import { postService } from "../../../domain/services";
import { UpvotePostController } from "./UpvotePostController";
const upvotePost = new UpvotePost(memberRepo, postRepo, postVotesRepo, postService);
const upvotePostController = new UpvotePostController(
upvotePost
)
export { upvotePost, upvotePostController };
In the controller, we do the same thing as before. Pass in the relevant Use Case, call the Use Case's execute
method with the Input DTO/Command…
Howdy 👋
This is an online wiki about the main topics over the last 40 years of software design, architecture & testing. It was created by Khalil Stemmler.
This wiki's mission is to help eliminate the unknown unknowns, helping you get up to speed on the best practices and principles to write testable, flexible, and maintainable code.
I created this wiki while I was connecting the dots on my own path. You can read more about that learning journey in the introduction
Already bought it?
If you’ve already purchased the book, click here to re-send your link. You can read the online wiki or download a copy of the book in PDF, EPUB, and Kindle versions.
Want access?
You can read the intro to the book for free and visit solidbook.io to buy the book/wiki! To get an idea of my writing, read some of my best free content here and here.
Need help?
Something not working? Have a question? You can reach me on at khalil@khalilstemmler.com.