public async Task <IActionResult> OnPostCartAsync()
{
var user = await _userManager.GetUserAsync(User);
if (user == null)
{
return(RedirectToPage("/Account/Login"));
}
Game = await _context.GetGameAsync(Id);
if (Game == null)
{
return(NotFound());
}
if (await _context.DoesUserOwnGameAsync(user, Game))
{
StatusMessage = $"Error: You already own this game.";
return(RedirectToPage());
}
var cart = await _context.GetCartAsync(user);
if (cart == null)
{
StatusMessage = $"Error: An error occurred while getting your cart.";
return(RedirectToPage());
}
if (await _context.DoesGameExistInCartAsync(cart, Game))
{
StatusMessage = $"Error: This game is already in your cart.";
return(RedirectToPage());
}
if (await _context.AddToCartAsync(cart, Game))
{
StatusMessage = $"'{Game.Title}' has been added to your cart.";
return(RedirectToPage());
}
else
{
StatusMessage = $"Error: We were unable to add that game to your cart.";
return(RedirectToPage());
}
}