A school discount with no code, because the discount is the email domain

We used to give schools a discount code. A teacher asked for one, we minted it, and then we maintained the parts that follow from a code existing: an admin CRUD for the codes, a redemption table so per-user and per-year limits could be enforced, a validate endpoint, and a support thread every time somebody pasted a code with a smart quote in it.... Weiterlesen: A school discount with no code, because the discount is the email domain