public async Task <ActionResult <bool> > Put(ItemAmountChangeRequest request)
{
try
{
return(Ok(await service.ChangeCount(await users.GetByUsername(User.Identity.Name), request)));
}
catch (Exception)
{
return(NotFound($"User \'{User.Identity.Name}\' or item with ID {request.Id} could not be found!"));
}
}
/// <inheritdoc />
public async Task <bool> ChangeCount(ShopUser user, ItemAmountChangeRequest request)
{
if (user == null)
{
throw new Exception();
}
var item = await items.SingleAsync(s => s.Id == request.Id);
if ((request.Amount < 0 && Math.Abs(request.Amount) > item.Count))//Avoid negative numbers
{
throw new ArgumentException("You can't change an Item's count below zero!");
}
item.Count += request.Amount;
items.Update(item);
var returnamount = await context.SaveChangesAsync() > 0;
await LogItem(user, item, request.Amount);
return(returnamount);
}
