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refactor(blog): factory-style use cases + per-use-case controllers + getArticleBySlug

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- Use cases (create-article, get-articles, get-article-by-slug NEW) → factory functions
- Controllers split: articles.controller.ts → 3 single-responsibility files
- DI module wires factories with .toDynamicValue()
- tRPC router resolves controllers via container

Refactor log: §2, §3, §4.1, §4.2, §5.1
Spec: §6.2

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Danijel Martinek
2026-05-06 00:08:15 +02:00
parent 780d5cb83b
commit 700d311052
21 changed files with 488 additions and 302 deletions
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36
packages/blog/src/application/use-cases/get-articles.use-case.test.ts
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@@ -1,36 +1,28 @@
import { beforeEach, describe, expect, it } from "vitest";
import { blogContainer } from "../../di/container";
import { BLOG_SYMBOLS } from "../../di/symbols";
import type { IArticlesRepository } from "../../application/repositories/articles.repository.interface";
import { MockArticlesRepository } from "../../infrastructure/repositories/articles.repository.mock";
import { articleFactory } from "../../__factories__/article.factory";
import { getArticlesUseCase } from "./get-articles.use-case";
import { describe, expect, it } from "vitest";
import { getArticlesUseCase } from "@/application/use-cases/get-articles.use-case";
import { MockArticlesRepository } from "@/infrastructure/repositories/articles.repository.mock";
import { articleFactory } from "@/__factories__/article.factory";
describe("getArticlesUseCase", () => {
let repo: MockArticlesRepository;
beforeEach(() => {
if (blogContainer.isBound(BLOG_SYMBOLS.IArticlesRepository)) {
blogContainer.unbind(BLOG_SYMBOLS.IArticlesRepository);
}
repo = new MockArticlesRepository();
blogContainer
.bind<IArticlesRepository>(BLOG_SYMBOLS.IArticlesRepository)
.toConstantValue(repo);
articleFactory.reset();
});
it("returns all articles with no filters", async () => {
const repo = new MockArticlesRepository();
articleFactory.reset();
await repo.createArticle(articleFactory.build({ id: "1", title: "A", slug: "a" }));
const result = await getArticlesUseCase();
const useCase = getArticlesUseCase(repo);
const result = await useCase();
expect(result).toHaveLength(1);
expect(result[0]?.id).toBe("1");
});
it("filters by status", async () => {
const repo = new MockArticlesRepository();
articleFactory.reset();
await repo.createArticle(articleFactory.build({ id: "1", title: "A", slug: "a", status: "draft" }));
await repo.createArticle(articleFactory.build({ id: "2", title: "B", slug: "b", status: "published" }));
const result = await getArticlesUseCase({ status: "published" });
const useCase = getArticlesUseCase(repo);
const result = await useCase({ status: "published" });
expect(result).toHaveLength(1);
expect(result[0]?.id).toBe("2");
});