refac: debt on role backend

api/pkg/access/currentUser.go

@@ -0,0 +1,37 @@
+package access
+
+import (
+	"RenewCMS/internal/domain/user"
+	"RenewCMS/internal/infrastructure/useCases"
+	"context"
+	"net/http"
+)
+
+type currentUserContextKey struct{}
+
+type currentUserHolder struct {
+	loaded  bool
+	userID  uint32
+	account user.User
+	err     error
+}
+
+func WithCurrentUser(r *http.Request) *http.Request {
+	if _, present := r.Context().Value(currentUserContextKey{}).(*currentUserHolder); present {
+		return r
+	}
+	return r.WithContext(context.WithValue(r.Context(), currentUserContextKey{}, &currentUserHolder{}))
+}
+
+func LoadUser(getUser *useCases.GetUserUseCase, r *http.Request, userID uint32) (user.User, error) {
+	holder, present := r.Context().Value(currentUserContextKey{}).(*currentUserHolder)
+	if !present {
+		return getUser.GetUser(userID)
+	}
+	if !holder.loaded || holder.userID != userID {
+		holder.account, holder.err = getUser.GetUser(userID)
+		holder.userID = userID
+		holder.loaded = true
+	}
+	return holder.account, holder.err
+}