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refactor(marketing-pages): factory-style use cases + per-use-case controllers

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- Use cases (get-page-by-slug, get-site-settings) → factory functions with I*UseCase aliases
- Controllers split: pages.controller.ts → 2 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: §6.3

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Danijel Martinek
2026-05-06 00:14:27 +02:00
parent 700d311052
commit 353a41b244
15 changed files with 206 additions and 162 deletions
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27
packages/marketing-pages/src/application/use-cases/get-page-by-slug.use-case.test.ts
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@@ -1,30 +1,19 @@
import { beforeEach, describe, expect, it } from "vitest";
import { marketingPagesContainer } from "@/di/container";
import { MARKETING_PAGES_SYMBOLS } from "@/di/symbols";
import { describe, it, expect } from "vitest";
import { getPageBySlugUseCase } from "@/application/use-cases/get-page-by-slug.use-case";
import { MockPagesRepository } from "@/infrastructure/repositories/pages.repository.mock";
import type { IPagesRepository } from "@/application/repositories/pages.repository.interface";
import { getPageBySlugUseCase } from "./get-page-by-slug.use-case";
describe("getPageBySlugUseCase", () => {
let repo: MockPagesRepository;
beforeEach(() => {
if (marketingPagesContainer.isBound(MARKETING_PAGES_SYMBOLS.IPagesRepository)) {
marketingPagesContainer.unbind(MARKETING_PAGES_SYMBOLS.IPagesRepository);
}
repo = new MockPagesRepository();
marketingPagesContainer
.bind<IPagesRepository>(MARKETING_PAGES_SYMBOLS.IPagesRepository)
.toConstantValue(repo);
});
it("returns the page when found", async () => {
const result = await getPageBySlugUseCase("about");
const repo = new MockPagesRepository();
const useCase = getPageBySlugUseCase(repo);
const result = await useCase({ slug: "about" });
expect(result?.slug).toBe("about");
});
it("returns undefined when not found", async () => {
const result = await getPageBySlugUseCase("missing-page");
const repo = new MockPagesRepository();
const useCase = getPageBySlugUseCase(repo);
const result = await useCase({ slug: "missing-page" });
expect(result).toBeUndefined();
});
});

17
packages/marketing-pages/src/application/use-cases/get-page-by-slug.use-case.ts
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@@ -1,13 +1,10 @@
import type { Page } from "../../entities/models/page";
import { marketingPagesContainer } from "../../di/container";
import { MARKETING_PAGES_SYMBOLS } from "../../di/symbols";
import type { IPagesRepository } from "../repositories/pages.repository.interface";
export async function getPageBySlugUseCase(
slug: string,
): Promise<Page | undefined> {
const repo = marketingPagesContainer.get<IPagesRepository>(
MARKETING_PAGES_SYMBOLS.IPagesRepository,
);
return repo.getPageBySlug(slug);
}
export type IGetPageBySlugUseCase = ReturnType<typeof getPageBySlugUseCase>;
export const getPageBySlugUseCase =
(pagesRepository: IPagesRepository) =>
async (input: { slug: string }): Promise<Page | undefined> => {
return pagesRepository.getPageBySlug(input.slug);
};

23
packages/marketing-pages/src/application/use-cases/get-site-settings.use-case.test.ts
View File

@@ -1,25 +1,12 @@
import { beforeEach, describe, expect, it } from "vitest";
import { marketingPagesContainer } from "@/di/container";
import { MARKETING_PAGES_SYMBOLS } from "@/di/symbols";
import { describe, it, expect } from "vitest";
import { getSiteSettingsUseCase } from "@/application/use-cases/get-site-settings.use-case";
import { MockSiteSettingsRepository } from "@/infrastructure/repositories/site-settings.repository.mock";
import type { ISiteSettingsRepository } from "@/application/repositories/site-settings.repository.interface";
import { getSiteSettingsUseCase } from "./get-site-settings.use-case";
describe("getSiteSettingsUseCase", () => {
let repo: MockSiteSettingsRepository;
beforeEach(() => {
if (marketingPagesContainer.isBound(MARKETING_PAGES_SYMBOLS.ISiteSettingsRepository)) {
marketingPagesContainer.unbind(MARKETING_PAGES_SYMBOLS.ISiteSettingsRepository);
}
repo = new MockSiteSettingsRepository();
marketingPagesContainer
.bind<ISiteSettingsRepository>(MARKETING_PAGES_SYMBOLS.ISiteSettingsRepository)
.toConstantValue(repo);
});
it("returns the seeded site settings", async () => {
const result = await getSiteSettingsUseCase();
const repo = new MockSiteSettingsRepository();
const useCase = getSiteSettingsUseCase(repo);
const result = await useCase();
expect(result.siteName).toBe("My App");
});
});

15
packages/marketing-pages/src/application/use-cases/get-site-settings.use-case.ts
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@@ -1,11 +1,10 @@
import type { SiteSettings } from "../../entities/models/site-settings";
import { marketingPagesContainer } from "../../di/container";
import { MARKETING_PAGES_SYMBOLS } from "../../di/symbols";
import type { ISiteSettingsRepository } from "../repositories/site-settings.repository.interface";
export async function getSiteSettingsUseCase(): Promise<SiteSettings> {
const repo = marketingPagesContainer.get<ISiteSettingsRepository>(
MARKETING_PAGES_SYMBOLS.ISiteSettingsRepository,
);
return repo.getSiteSettings();
}
export type IGetSiteSettingsUseCase = ReturnType<typeof getSiteSettingsUseCase>;
export const getSiteSettingsUseCase =
(siteSettingsRepository: ISiteSettingsRepository) =>
async (): Promise<SiteSettings> => {
return siteSettingsRepository.getSiteSettings();
};