修复 导航栏重复初始化的问题

services/portal_navigation.go

@@ -9,20 +9,43 @@ import (
 
 const portalNavigationAdminPath = "admin"
 const portalNavigationAdminSort = 999
+const portalNavigationTypeLink = "link"
+const portalNavigationTypeGroup = "group"
 
 // NormalizePortalNavigation 规范化门户导航数据
-// 统一清理首尾空白，并处理首页与排序约束
+// 统一清理首尾空白，避免保存脏数据
 func NormalizePortalNavigation(item *models.PortalNavigation) {
 	item.Name = strings.TrimSpace(item.Name)
+	item.Type = strings.ToLower(strings.TrimSpace(item.Type))
+	if item.Type == "" {
+		item.Type = portalNavigationTypeLink
+	}
 	item.Path = strings.TrimSpace(item.Path)
 	if item.Sort < 0 {
 		item.Sort = 0
 	}
+	if item.Type == portalNavigationTypeGroup {
+		item.ParentID = 0
+		item.Path = ""
+		item.IsExternal = false
+		item.IsHome = false
+	}
 	if item.IsHome {
 		item.IsHidden = false
+		item.ParentID = 0
 	}
 }
 
+// IsPortalNavigationGroup 判断是否为分组导航
+func IsPortalNavigationGroup(item models.PortalNavigation) bool {
+	return strings.EqualFold(strings.TrimSpace(item.Type), portalNavigationTypeGroup)
+}
+
+// IsPortalNavigationLink 判断是否为链接导航
+func IsPortalNavigationLink(item models.PortalNavigation) bool {
+	return !IsPortalNavigationGroup(item)
+}
+
 // IsPortalNavigationAdminEntry 判断是否为管理员入口
 // 管理员入口属于系统保留导航项，不允许修改基础信息
 func IsPortalNavigationAdminEntry(item models.PortalNavigation) bool {
@@ -30,11 +53,13 @@ func IsPortalNavigationAdminEntry(item models.PortalNavigation) bool {
 }
 
 // LockPortalNavigationProtectedFields 锁定系统保留导航字段
-// 管理员入口仅允许调整隐藏状态，其余字段保持系统固定值
+// 管理员入口仅允许调整隐藏状态，其余字段保持数据库原值
 func LockPortalNavigationProtectedFields(item *models.PortalNavigation, exists models.PortalNavigation) {
 	switch IsPortalNavigationAdminEntry(exists) {
 	case true:
 		item.Name = "管理员登录"
+		item.Type = portalNavigationTypeLink
+		item.ParentID = 0
 		item.Path = portalNavigationAdminPath
 		item.Sort = portalNavigationAdminSort
 		item.IsHome = false
@@ -69,6 +94,8 @@ func SavePortalNavigation(db *gorm.DB, item *models.PortalNavigation, exists ...
 		default:
 			return tx.Model(&models.PortalNavigation{}).Where("id = ?", item.ID).Updates(map[string]interface{}{
 				"name":        item.Name,
+				"type":        item.Type,
+				"parent_id":   item.ParentID,
 				"path":        item.Path,
 				"sort":        item.Sort,
 				"is_home":     item.IsHome,