public void BuyReward(int rewardID)
{
using (var trs = transactionScopeProvider.CreateTransactionScope())
{
var user = GetCurrentUser();
var reward = rewardRepository.GetById(rewardID);
var result = rewardService.CanBuyReward(reward, user);
if (result.IsError)
{
result.ThrowHttpException(System.Net.HttpStatusCode.Conflict);
}
rewardService.BuyReward(reward, user);
trs.Complete();
}
}