clean: first clean archi sandbox implementation

api/dependecyInjection.go

@@ -0,0 +1,41 @@
+package api
+
+import (
+	. "GohCMS2/useCases"
+	"errors"
+	"go.uber.org/dig"
+)
+
+type Container struct {
+	CreateArticleUseCase *CreateArticleUseCase
+	GetArticleUseCase    *GetArticleUseCase
+}
+
+var container *Container
+
+func InitContainer() *Container {
+	if container != nil {
+		return container
+	}
+
+	digContainer := dig.New()
+
+	err1 := digContainer.Provide(NewCreateArticleUseCase)
+	err2 := digContainer.Provide(NewGetArticleUseCase)
+
+	if err := errors.Join(err1, err2); err != nil {
+		panic(err)
+	}
+
+	err := digContainer.Invoke(func(createArticle *CreateArticleUseCase, getArticle *GetArticleUseCase) {
+		container = &Container{
+			CreateArticleUseCase: createArticle,
+			GetArticleUseCase:    getArticle,
+		}
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	return container
+}