public IActionResult Purchase()
{
string shoppingCartJson = HttpContext.Session.GetString("CartSession");
shoppingCart = JsonConvert.DeserializeObject <List <Item> >(shoppingCartJson);
string userJson = HttpContext.Session.GetString("LoginSession");
User thisUser = JsonConvert.DeserializeObject <User>(userJson);
float cost = 0;
foreach (Item item in shoppingCart)
{
cost += item.Price;
}
if (thisUser.Funds >= cost)
{
float remainingFunds = ((thisUser.Funds) - cost);
thisUser.Funds = (remainingFunds);
_context.Update(thisUser);
_context.SaveChanges();
TempData["Receipt"] = $"Purchase cost: ${cost}, Remaining funds: ${remainingFunds}";
return(RedirectToAction("Receipt"));
}
else
{
TempData["Funds"] = $"Insufficient Funds: available:${thisUser.Funds}, required:${cost}";
return(View("Error"));
}
}