Limited Ticket Discounts #59

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1. dni

   self-assigned this

   on Jun 26, 2026
2. dadofsambonzuki commented on Oct 6, 2026

   

   dadofsambonzuki

   on Oct 6, 2026

   More actions

   Implemented in #64 (draft, someone will need to merge it before you can try it).

   PromoCode now has max_uses (0 or blank = unlimited) plus a used_count, so the admin promo chip reads "Uses: 3 / 50" and the cap can be changed after the event goes live.

   Semantics worth knowing:

   • max_uses counts purchases, not tickets. One use can cover several tickets in the same basket — that's what the separate max_tickets field caps. A code limited to 10 that's used on a 4-ticket basket has 9 uses left afterwards.
   • The counter lives on the event's promo config, so the same code reused on a second event has its own counter rather than a shared one.
   • It increments when the basket is paid, not when checkout starts, so abandoned baskets don't burn a use.
   • It applies to ticket-ID offers too (upgrades, bring-a-friend), so it can cap a campaign ("first 20 upgrades").
   • 0 = unlimited, consistent with the other numeric fields.

   Two related knobs came with it: redemptions_per_ticket (how many times a single ticket ID can be reused) and max_tickets (how many tickets one redemption covers).

   Covered by tests test_scoped_code_respects_max_uses and the V9 case in test_promo_upgrade.py.