public async Task <IActionResult> View(int id)
{
Product product = await _invManager.GetProductByID(id);
if (_signInManager.IsSignedIn(User))
{
Basket basket = await _bsktManager.GetBasket(_userManager.GetUserId(User));
ViewData["IsInBasket"] = _bsktManager.BasketHasItem(basket, id);
}
return(View(product));
}