/// <summary>
/// Adds a product to the shopping cart
/// </summary>
/// <param name="id">the id of the product to add</param>
/// <returns></returns>
public async Task <IActionResult> Add(int id, string prevUrl)
{
// grab item from db
Product p = await _context.Products.FirstOrDefaultAsync(p => p.ProductId == id);
CookieHelper.AddItemToCart(_httpContext, p);
TempData["Message"] = $"{p.Title} added successfully!";
// redirect them back to index
return(Redirect(prevUrl));
}
/// <summary>
/// dds a product to the shopping cart
/// </summary>
/// <param name="id">the id of the product to add</param>
/// <returns></returns>
public async Task<IActionResult> Add(int id, string prevUrl)
{
// grab item from db
Product p = await ProductDB.GetProductByIdAsync(_context, id);
CookieHelper.AddItemToCart(_httpContext, p);
TempData["Message"] = $"{p.Title} added successfully!";
// redirect them back to index
return Redirect(prevUrl);
}