public void AddNews(string title, int cid, string content, string userId)
{
CategoryRepository cpository = new CategoryRepository();
if (cpository.ExistedCategory(cid))
{
News n = Context.News.Create();
n.Title = title;
n.CategoryID = cid;
n.Content = content;
n.UserID = userId;
n.PublishTime = DateTime.Now;
Context.News.Add(n);
Context.SaveChanges();
}
else
{
throw new NotFoundCategoryException();
}
}
public void EditNews(int nid, string title, int? cid = null, string conetnt = null)
{
if (!ExistedNews(nid))
{
throw new NotFoundNewsException();
}
CategoryRepository crepositroy = new CategoryRepository();
if (cid != null && !crepositroy.ExistedCategory(cid.Value))
{
throw new NotFoundCategoryException();
}
News n = GetNewsById(nid);
if (n != null)
{
n.Title = title ?? n.Title;
n.CategoryID = cid ?? n.CategoryID;
n.Content = conetnt ?? n.Content;
Context.News.Attach(n);
Context.SaveChanges();
}
}