Created
March 15, 2015 13:33
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Scaling promotion codes I
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| public bool TryRedeem(UserId userId) | |
| { | |
| if (HasAlreadyBeenRedeemedByUser(userId)) return false; | |
| if (NoLongerActive()) return false; | |
| if (Depleted()) return false; | |
| Apply(new PromotionCodeRedeemed(userId.Value)); | |
| return true; | |
| } |
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