public int AddCategory(Category category)
{
if (_context.Entry(category).State == EntityState.Detached)
{
_context.Categories.Attach(category);
}
_context.Categories.Add(category);
_context.SaveChanges();
return category.Id;
}
public static MvcHtmlString CategoryLink(this HtmlHelper helper, Category category)
{
return helper.ActionLink(
category.Name,
"Category",
"Blog",
new {selectedCategory = category.UrlSlug},
new
{
title = String.Format("See all posts about {0}.", category.Name),
@class = "categoryLink"
});
}
public void EditCategory(Category category)
{
DbEntityEntry<Category> entry = _context.Entry(category);
if (entry.State == EntityState.Detached)
{
DbSet set = _context.Set(category.GetType());
var attachedEntity = (Category) set.Find(category.Id);
if (attachedEntity != null)
{
DbEntityEntry<Category> attachedEntry = _context.Entry(attachedEntity);
attachedEntry.CurrentValues.SetValues(category);
}
}
else
{
entry.State = EntityState.Modified;
}
_context.SaveChanges();
}
public ContentResult EditCategory(Category category)
{
string json;
if (ModelState.IsValid){
_blogRepository.EditCategory(category);
json = JsonConvert.SerializeObject(new
{
id = category.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");
}