feat(core): add content use cases with tests (create-article, get-articles)

packages/core/src/application/use-cases/content/create-article.use-case.ts

@@ -0,0 +1,32 @@
+import type { Article } from "@/entities/models/article.js";
+import { getInjection } from "@/di/container.js";
+
+function generateSlug(title: string): string {
+  return title
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-|-$/g, "");
+}
+
+export async function createArticleUseCase(input: {
+  title: string;
+  content: string;
+  authorId: string;
+  slug?: string;
+}): Promise<Article> {
+  const articlesRepository = getInjection("IArticlesRepository");
+
+  const now = new Date();
+  const article: Article = {
+    id: crypto.randomUUID(),
+    title: input.title,
+    slug: input.slug ?? generateSlug(input.title),
+    content: input.content,
+    status: "draft",
+    authorId: input.authorId,
+    createdAt: now,
+    updatedAt: now,
+  };
+
+  return await articlesRepository.createArticle(article);
+}

packages/core/src/application/use-cases/content/get-articles.use-case.ts

@@ -0,0 +1,12 @@
+import type { Article } from "@/entities/models/article.js";
+import { getInjection } from "@/di/container.js";
+
+export async function getArticlesUseCase(options?: {
+  status?: string;
+  authorId?: string;
+  limit?: number;
+  offset?: number;
+}): Promise<Article[]> {
+  const articlesRepository = getInjection("IArticlesRepository");
+  return await articlesRepository.getArticles(options);
+}