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JefClaes/gist:2ec6d6168353f099102f

Created March 15, 2015 13:33
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Scaling promotion codes I
Raw
gistfile1.cs
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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