public int AddTag(Tag tag)
{
if (_context.Entry(tag).State == EntityState.Detached)
{
_context.Tags.Attach(tag);
}
_context.Tags.Add(tag);
_context.SaveChanges();
return tag.Id;
}
public static MvcHtmlString TagLink(this HtmlHelper helper, Tag tag)
{
return helper.ActionLink(
tag.Name,
"Tag",
"Blog",
new {tag = tag.UrlSlug},
new
{
title = String.Format("See all posts that mention {0}.", tag.Name),
@class = "tagLink"
});
}
public void EditTag(Tag tag)
{
DbEntityEntry<Tag> entry = _context.Entry(tag);
if (entry.State == EntityState.Detached)
{
DbSet set = _context.Set(tag.GetType());
var attachedEntity = (Tag) set.Find(tag.Id);
if (attachedEntity != null)
{
DbEntityEntry<Tag> attachedEntry = _context.Entry(attachedEntity);
attachedEntry.CurrentValues.SetValues(tag);
}
}
else
{
entry.State = EntityState.Modified;
}
_context.SaveChanges();
}
public ContentResult EditTag(Tag tag)
{
string json;
if (ModelState.IsValid){
_blogRepository.EditTag(tag);
json = JsonConvert.SerializeObject(new
{
id = tag.Id,
success = true,
message = "Changes saved successfully."
});
}
else{
json = JsonConvert.SerializeObject(new
{
id = 0,
success = false,
message = "Failed to save the changes."
});
}
return Content(json, "application/json");
}
