public ContentResult AddCategory(Category category)
{
string json; //variable for passing successful or unsuccessful json data
ModelState.Clear(); //remove items from the model state dictionary
// if the current category is valid
if (TryValidateModel(category))
{
var id = blogRepository.AddCategory(category); // get id from newly add category and attempt to save data
// if id equals the new id, category addition was successful
json = JsonConvert.SerializeObject(new
{
id = id,
success = true,
message = "Category added succesfully."
});
}
// else if id = 0; adding the category failed
else
{
json = JsonConvert.SerializeObject(new
{
id = 0,
success = false,
message = "Failed to add the category."
});
}
return Content(json, "application/json"); // send results to the user for display
}
// returns the Id of the added category
public int AddCategory(Category category)
{
context.Categories.Add(category); // adds category to queue
context.SaveChanges(); // saves changes in queue.
return category.CategoryId;
}
// method that saves the edited changes in a category
public void EditCategory(Category category)
{
context.Categories.Attach(category); // add category to queue
context.Entry(category).State = EntityState.Modified; // makes category's state set to modified
context.SaveChanges(); // save changes in queue
}
