public static VMCampTopicShow GetTopic(Guid id)
{
using (var db = new GarfielderEntities())
{
var dbm = db.Topics.Single(x => x.Id == id);
if (dbm == null)
{
return(null);
}
var vm = new VMCampTopicShow();
vm.Id = dbm.Id;
vm.Title = dbm.Title;
vm.Slug = dbm.Slug;
vm.Url = dbm.Url;
vm.Grade = dbm.Grade;
vm.Description = dbm.Description;
vm.ContentX = dbm.ContentX;
vm.Logo = dbm.Logo;
vm.Groups = dbm.Groups.ToList();
vm.Tags = dbm.Tags.ToList();
//vm.Attachments = dbm.XFiles.ToList();
return(vm);
};
}
[HttpPost, ValidateInput(false)]/* TODO：MVC3正式版时可以将ValidateInput注释掉,因为ContentX有AllowHtml属性 */
public ActionResult EditTopic(VMCampTopicShow obj)
{
if (this.ModelState.IsValid)
{
var dbm = default(Topic);
using (var db = new GarfielderEntities())
{
if (obj.IsNew)
{
obj.CreateAt = DateTime.Now;
obj.Id = Guid.NewGuid();
dbm = new Topic();
dbm.CreatedAt = dbm.PublishedAt = obj.CreateAt;
dbm.Published = true;
dbm.Id = obj.Id;
db.AddToTopics(dbm);
}
else
{
dbm = db.Topics.SingleOrDefault(x => x.Id == obj.Id);
if (dbm == null)
{
obj.Error = true;
obj.Msg = string.Format("Topic with id [{0}] has been deleted!", obj.Id);
return(View(obj));
}
}
dbm.Title = obj.Title;
dbm.ContentX = obj.ContentX;
dbm.Slug = string.IsNullOrWhiteSpace(obj.Slug) ? obj.Title.CHSToPinyin("-") : obj.Slug.CHSToPinyin("-");
dbm.Description = dbm.ContentX;
//save to db
var msg = Topic.ValidateSlug(dbm.Slug, db);
dbm.Slug = msg.Context["Slug"].ToString();
dbm.ModifiedAt = DateTime.Now;
obj.Logo = dbm.Logo;
db.Attach(CurrentUser);
dbm.User = CurrentUser;
db.SaveChanges();
//tags
if (obj.TagID != null && obj.TagID.Count > 0)
{
dbm.Tags.Clear();
obj.TagID.ForEach(x => dbm.Tags.Add(db.Tags.Single(y => y.Id.Equals(x))));
}
//groups
if (obj.GroupID != null && obj.GroupID.Count > 0)
{
dbm.Groups.Clear();
obj.GroupID.ForEach(
x => dbm.Groups.Add(db.Groups.Single(y => y.Id.Equals(x)))
);
}
//保存关系表
db.SaveChanges();
//update tags and groups
obj.Groups = dbm.Groups.ToList();
obj.Tags = dbm.Tags.ToList();
}//using
}
;
return(View(obj));
}//edit topic
