public ActionResult Delete(int id)
{
using (NewsContext context = new NewsContext())
{
DeleteNodes(context, id);
context.SaveChanges();
}
return RedirectToAction("Index");
}
public ActionResult Add(int? parentId, string title)
{
using (NewsContext context = new NewsContext())
{
var newNews = new News()
{
ParentId = parentId,
Title = title
};
context.News.Add(newNews);
context.SaveChanges();
}
return RedirectToAction("Index");
}
public ActionResult Move(int nodeId, int? newParentId)
{
if (nodeId == newParentId)
{
return RedirectToAction("Index");
}
using (NewsContext context = new NewsContext())
{
if (newParentId.HasValue && ContainsChilds(context, nodeId, newParentId.Value))
{
return RedirectToAction("Index");
}
var node = context.News.Where(x => x.Id == nodeId).Single();
node.ParentId = newParentId;
context.SaveChanges();
}
return RedirectToAction("Index");
}
