clean: first clean archi sandbox implementation

useCases/GetArticleUseCase.go

@@ -0,0 +1,20 @@
+package useCases
+
+import (
+	. "GohCMS2/adapters/secondary/gateways"
+	. "GohCMS2/domain/article"
+)
+
+type GetArticleUseCase struct {
+	articleRepository ArticleRepository
+}
+
+func NewGetArticleUseCase() *GetArticleUseCase {
+	return &GetArticleUseCase{
+		articleRepository: *NewArticleRepository(),
+	}
+}
+
+func (g *GetArticleUseCase) GetArticle(id int) Article {
+	return g.articleRepository.Get(id)
+}