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…

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