public void UpdateRootMenu(int rootMenuId, CompositeMenu menu)
{
using (var tran = _unitOfWorkManager.Begin())
{
var oldMenu = MenuRepository.FirstOrDefault(e => e.Id == rootMenuId);
SetMenuInvalidForCache(oldMenu.Name);
// 移除根菜单所有菜单
MenuRepository.Delete(e => e.RootMenuId == rootMenuId || e.Id == rootMenuId);
_unitOfWorkManager.Current.SaveChanges();
var menus = GetMenus(menu);
// 不允许存在相同名称的菜单
var names = menus.Select(e => e.Name);
if (names.Distinct().Count() < names.Count())
{
throw new UserFriendlyException($"提交的菜单中包含重复的名称，请重新命名");
}
var duplicateMenu = MenuRepository.FirstOrDefault(e => names.Contains(e.Name));
if (duplicateMenu != null)
{
throw new UserFriendlyException($"菜单{duplicateMenu.Name}以存在，请重新命名");
}
MenuRepository.Insert(menu);
_unitOfWorkManager.Current.SaveChanges();
tran.Complete();
}
}
public void SetRootMenu(CompositeMenu rootMenu)
{
RootMenu = rootMenu;
if (!(this is CompositeMenu))
{
return;
}
foreach (var childMenu in ((CompositeMenu)this).Menus)
{
childMenu.SetRootMenu(rootMenu);
}
}
public void AddCompositeMenu(CompositeMenu menu)
{
if (menu.CompositeMenuId.HasValue && GetCompositeMenu(menu.CompositeMenuId.Value) == null)
{
throw new MessageException("无效的父菜单");
}
if (IsExistMenuName(menu.Name))
{
throw new MessageException("该菜单名称已存在");
}
MenuRepository.Insert(menu);
}
public void AddRootMenu(CompositeMenu menu)
{
var menus = GetMenus(menu);
// 不允许存在相同名称的菜单
var names = menus.Select(e => e.Name);
var duplicateMenu = MenuRepository.FirstOrDefault(e => names.Contains(e.Name));
if (duplicateMenu != null)
{
throw new UserFriendlyException($"菜单{duplicateMenu.Name}以存在，请重新命名");
}
MenuRepository.Insert(menu);
}
private List <MenuBase> GetMenus(MenuBase menu)
{
List <MenuBase> menus = new List <MenuBase>();
menus.Add(menu);
if (!(menu is CompositeMenu))
{
return(menus);
}
CompositeMenu compositeMenu = (CompositeMenu)menu;
foreach (var childMenu in compositeMenu.Menus)
{
menus.AddRange(GetMenus(childMenu));
}
return(menus);
}
