refactor: update article service methods to use external ID and improve caching

src/lib/feature/article/article.service.ts

@@ -13,7 +13,6 @@ export const articleEntityToModel = (
     articleEntity: ArticleEntity
 ): ArticleModel => {
     return {
-        id: articleEntity.id,
         title: articleEntity.title,
         slug: articleEntity.slug,
         description: articleEntity.description,
@@ -123,21 +122,21 @@ export const saveArticle: (
 );
 
 /** Updates an existing article in the database. */
-export const updateArticle: (
-    articleId: string,
+export const updateArticleByExternalId: (
+    externalId: string,
     article: UpdateArticleModel
 ) => Promise<TypedResult<ArticleModel>> = wrap(
     async (
-        articleId: string,
+        externalId: string,
         article: UpdateArticleModel
     ): Promise<ArticleModel> => {
         const articleRepository = await getRepository(ArticleEntity);
 
         const existingArticle = await articleRepository.findOneBy({
-            id: articleId,
+            externalId: externalId,
         });
         if (!existingArticle) {
-            throw new Error(`Article with ID ${articleId} not found`);
+            throw new Error(`Article with ID ${externalId} not found`);
         }
 
         if (!!article.title) existingArticle.title = article.title;