feat: articles format option with markdown new default

internal/infrastructure/useCases/renderArticleBody.go

@@ -0,0 +1,24 @@
+package useCases
+
+import "RenewCMS/internal/domain/article"
+
+func renderArticle(renderer article.BodyRenderer, art article.Article, format article.BodyFormat) (article.Article, error) {
+	body, err := renderer.Render(art.Body, format)
+	if err != nil {
+		return article.Article{}, err
+	}
+	art.Body = body
+	return art, nil
+}
+
+func renderArticles(renderer article.BodyRenderer, articles []article.Article, format article.BodyFormat) ([]article.Article, error) {
+	rendered := make([]article.Article, 0, len(articles))
+	for _, art := range articles {
+		renderedArticle, err := renderArticle(renderer, art, format)
+		if err != nil {
+			return nil, err
+		}
+		rendered = append(rendered, renderedArticle)
+	}
+	return rendered, nil
+}