private User AdjustCurrency(UserDataViewModel user, Guid currencyID, [FromBody] AdjustCurrency currencyUpdate)
{
if (!ChannelSession.Settings.Currencies.ContainsKey(currencyID))
{
throw new HttpResponseException(HttpStatusCode.NotFound);
}
if (currencyUpdate == null)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
UserCurrencyViewModel currency = ChannelSession.Settings.Currencies[currencyID];
if (currencyUpdate.Amount < 0)
{
int quantityToRemove = currencyUpdate.Amount * -1;
if (!user.HasCurrencyAmount(currency, quantityToRemove))
{
// If the request is to remove currency, but user doesn't have enough, fail
throw new HttpResponseException(HttpStatusCode.Forbidden);
}
user.SubtractCurrencyAmount(currency, quantityToRemove);
}
else if (currencyUpdate.Amount > 0)
{
user.AddCurrencyAmount(currency, currencyUpdate.Amount);
}
return(UserFromUserDataViewModel(user));
}
private User AdjustCurrency(UserDataViewModel user, Guid currencyID, [FromBody] AdjustCurrency currencyUpdate)
{
if (!ChannelSession.Settings.Currencies.ContainsKey(currencyID))
{
var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
{
Content = new ObjectContent <Error>(new Error {
Message = $"Unable to find currency: {currencyID.ToString()}."
}, new JsonMediaTypeFormatter(), "application/json"),
ReasonPhrase = "Currency ID not found"
};
throw new HttpResponseException(resp);
}
if (currencyUpdate == null)
{
var resp = new HttpResponseMessage(HttpStatusCode.BadRequest)
{
Content = new ObjectContent <Error>(new Error {
Message = "Unable to parse currency adjustment from POST body."
}, new JsonMediaTypeFormatter(), "application/json"),
ReasonPhrase = "Invalid POST Body"
};
throw new HttpResponseException(resp);
}
UserCurrencyViewModel currency = ChannelSession.Settings.Currencies[currencyID];
if (currencyUpdate.Amount < 0)
{
int quantityToRemove = currencyUpdate.Amount * -1;
if (!user.HasCurrencyAmount(currency, quantityToRemove))
{
var resp = new HttpResponseMessage(HttpStatusCode.Forbidden)
{
Content = new ObjectContent <Error>(new Error {
Message = "User does not have enough currency to remove"
}, new JsonMediaTypeFormatter(), "application/json"),
ReasonPhrase = "Not Enough Currency"
};
throw new HttpResponseException(resp);
}
user.SubtractCurrencyAmount(currency, quantityToRemove);
}
else if (currencyUpdate.Amount > 0)
{
user.AddCurrencyAmount(currency, currencyUpdate.Amount);
}
return(UserFromUserDataViewModel(user));
}
public bool TrySubtractAmount(UserDataViewModel userData, int amount)
{
if (this.DoesMeetCurrencyRequirement(amount))
{
UserCurrencyViewModel currency = this.GetCurrency();
if (currency == null)
{
return(false);
}
if (!userData.HasCurrencyAmount(currency, amount))
{
return(false);
}
userData.SubtractCurrencyAmount(currency, amount);
return(true);
}
return(false);
}