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); }