public ActionResult UpdateNewsType(int id)
{
if (_user == null)
{
return(RedirectToAction("Login", "UserManage"));
}
else
{
meun type = _newsService.GetNewsType(id);
ViewBag.Id = id;
ViewBag.TypeName = type.Name;
ViewBag.ParentName = _newsService.GetNewsTypeParentName(type.ParentId);
ViewBag.ParentId = type.ParentId;
if (_newsService.NewsTypeExitChildren(id) == true)
{
return(View());
}
else
{
List <NewsTypeViewModel> model = (from m in _ctx.meun
where m.IsDelete == false && m.ParentId == null
select new NewsTypeViewModel
{
Id = m.Id,
Name = m.Name
}).ToList();
return(View(model));
}
}
}
public meun DeleteNewsType(int id)
{
meun m = _ctx.meun.SingleOrDefault(c => c.Id == id);
m.IsDelete = true;
_ctx.SaveChanges();
return(m);
}
public bool NewsTypeExitChildren(int id)
{
meun type = _ctx.meun.Find(id);
if (type.ParentId == null)
{
var list = _ctx.meun.Where(m => m.ParentId == id);
if (list == null)
{
return(false);
}
return(true);
}
return(false);
}
public meun UpdateNewsType(int id, Nullable <int> parentId, string newType)
{
try
{
meun m = _ctx.meun.SingleOrDefault(c => c.Id == id);
m.Name = newType;
m.ParentId = parentId;
_ctx.SaveChanges();
return(m);
}
catch
{
throw new Exception("添加失败");
}
}
public meun AddNewsType(string newsType, Nullable <int> parentId)
{
meun list = _ctx.meun.SingleOrDefault(m => m.Name == newsType && m.ParentId == parentId);
if (list == null)
{
meun m = new meun()
{
Name = newsType,
ParentId = parentId,
IsDelete = false
};
_ctx.meun.Add(m);
_ctx.SaveChanges();
return(m);
}
throw new Exception();
}
public ActionResult UpdateNewsType(int id, Nullable <int> parentId, string typeName)
{
if (_user == null)
{
return(RedirectToAction("Login", "UserManage"));
}
else
{
try
{
meun m = _newsService.UpdateNewsType(id, parentId, typeName);
return(Json("修改成功", JsonRequestBehavior.AllowGet));
}
catch
{
return(Json("修改失败", JsonRequestBehavior.AllowGet));
}
}
}
public ActionResult DeleteNewType(int id)
{
meun m = _newsService.DeleteNewsType(id);
return(RedirectToAction("GetAllNewsType", "NewsManage"));
}