Files
hope-events/backend/prisma/migrations/20261019090344_add_coupon_codes/migration.sql
T
joshuaandClaude Opus 5.5 709ea38c10 Add coupon codes and staff pricing
Percentage, fixed-amount and comp codes, limited by event, ticket option
or variant, dates, use counts, minimum quantity, and people, roles or an
email domain. The discount is locked in on the registration (mirrored on
Registration.discountTotal so every total sees it), shows on invoices,
receipts, emails and the Yoco checkout, and is released on cancellation.
Use limits are enforced under an advisory lock.

Ticket options and variants can also carry a staff price that Staff and
above get automatically. Adds a Supervisor > Coupon codes page, code
fields on registration, My Events, manual registration, at the door and
the kiosk, a Discounts report, and audit log entries. Also fixes Yoco
line items and the free-registration check for lines spanning several
price tranches.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-19 11:43:10 +02:00

165 lines
5.8 KiB
SQL

-- CreateEnum
CREATE TYPE "CouponType" AS ENUM ('percent', 'fixed', 'comp');
-- AlterEnum
-- This migration adds more than one value to an enum.
-- With PostgreSQL versions 11 and earlier, this is not possible
-- in a single migration. This can be worked around by creating
-- multiple migrations, each migration adding only one value to
-- the enum.
ALTER TYPE "AdminAuditAction" ADD VALUE 'coupon_created';
ALTER TYPE "AdminAuditAction" ADD VALUE 'coupon_updated';
ALTER TYPE "AdminAuditAction" ADD VALUE 'coupon_disabled';
ALTER TYPE "AdminAuditAction" ADD VALUE 'coupon_applied_manual';
-- AlterTable
ALTER TABLE "EventOption" ADD COLUMN "staffPrice" DOUBLE PRECISION;
-- AlterTable
ALTER TABLE "OptionVariant" ADD COLUMN "staffPrice" DOUBLE PRECISION;
-- AlterTable
ALTER TABLE "Registration" ADD COLUMN "discountTotal" DOUBLE PRECISION NOT NULL DEFAULT 0;
-- CreateTable
CREATE TABLE "Coupon" (
"id" TEXT NOT NULL,
"code" TEXT NOT NULL,
"description" TEXT,
"type" "CouponType" NOT NULL,
"value" DOUBLE PRECISION NOT NULL DEFAULT 0,
"stackEarlyBird" BOOLEAN NOT NULL DEFAULT false,
"validFrom" TIMESTAMP(3),
"validUntil" TIMESTAMP(3),
"maxUses" INTEGER,
"maxUsesPerUser" INTEGER DEFAULT 1,
"minQuantity" INTEGER,
"restrictRoles" "UserRole"[],
"restrictDomain" TEXT,
"active" BOOLEAN NOT NULL DEFAULT true,
"createdById" TEXT,
"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
"updatedAt" TIMESTAMP(3) NOT NULL,
CONSTRAINT "Coupon_pkey" PRIMARY KEY ("id")
);
-- CreateTable
CREATE TABLE "CouponEvent" (
"id" TEXT NOT NULL,
"couponId" TEXT NOT NULL,
"eventId" TEXT NOT NULL,
CONSTRAINT "CouponEvent_pkey" PRIMARY KEY ("id")
);
-- CreateTable
CREATE TABLE "CouponOption" (
"id" TEXT NOT NULL,
"couponId" TEXT NOT NULL,
"eventOptionId" TEXT NOT NULL,
"variantId" TEXT,
CONSTRAINT "CouponOption_pkey" PRIMARY KEY ("id")
);
-- CreateTable
CREATE TABLE "CouponUser" (
"id" TEXT NOT NULL,
"couponId" TEXT NOT NULL,
"userId" TEXT NOT NULL,
CONSTRAINT "CouponUser_pkey" PRIMARY KEY ("id")
);
-- CreateTable
CREATE TABLE "CouponRedemption" (
"id" TEXT NOT NULL,
"couponId" TEXT NOT NULL,
"registrationId" TEXT NOT NULL,
"userId" TEXT NOT NULL,
"discountAmount" DOUBLE PRECISION NOT NULL,
"appliedById" TEXT,
"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
"releasedAt" TIMESTAMP(3),
CONSTRAINT "CouponRedemption_pkey" PRIMARY KEY ("id")
);
-- CreateIndex
CREATE UNIQUE INDEX "Coupon_code_key" ON "Coupon"("code");
-- CreateIndex
CREATE INDEX "Coupon_createdById_idx" ON "Coupon"("createdById");
-- CreateIndex
CREATE INDEX "CouponEvent_eventId_idx" ON "CouponEvent"("eventId");
-- CreateIndex
CREATE UNIQUE INDEX "CouponEvent_couponId_eventId_key" ON "CouponEvent"("couponId", "eventId");
-- CreateIndex
CREATE INDEX "CouponOption_couponId_idx" ON "CouponOption"("couponId");
-- CreateIndex
CREATE INDEX "CouponOption_eventOptionId_idx" ON "CouponOption"("eventOptionId");
-- CreateIndex
CREATE INDEX "CouponOption_variantId_idx" ON "CouponOption"("variantId");
-- CreateIndex
CREATE INDEX "CouponUser_userId_idx" ON "CouponUser"("userId");
-- CreateIndex
CREATE UNIQUE INDEX "CouponUser_couponId_userId_key" ON "CouponUser"("couponId", "userId");
-- CreateIndex
CREATE INDEX "CouponRedemption_couponId_releasedAt_idx" ON "CouponRedemption"("couponId", "releasedAt");
-- CreateIndex
CREATE INDEX "CouponRedemption_registrationId_idx" ON "CouponRedemption"("registrationId");
-- CreateIndex
CREATE INDEX "CouponRedemption_userId_idx" ON "CouponRedemption"("userId");
-- CreateIndex
CREATE INDEX "CouponRedemption_appliedById_idx" ON "CouponRedemption"("appliedById");
-- AddForeignKey
ALTER TABLE "Coupon" ADD CONSTRAINT "Coupon_createdById_fkey" FOREIGN KEY ("createdById") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponEvent" ADD CONSTRAINT "CouponEvent_couponId_fkey" FOREIGN KEY ("couponId") REFERENCES "Coupon"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponEvent" ADD CONSTRAINT "CouponEvent_eventId_fkey" FOREIGN KEY ("eventId") REFERENCES "Event"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponOption" ADD CONSTRAINT "CouponOption_couponId_fkey" FOREIGN KEY ("couponId") REFERENCES "Coupon"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponOption" ADD CONSTRAINT "CouponOption_eventOptionId_fkey" FOREIGN KEY ("eventOptionId") REFERENCES "EventOption"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponOption" ADD CONSTRAINT "CouponOption_variantId_fkey" FOREIGN KEY ("variantId") REFERENCES "OptionVariant"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponUser" ADD CONSTRAINT "CouponUser_couponId_fkey" FOREIGN KEY ("couponId") REFERENCES "Coupon"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponUser" ADD CONSTRAINT "CouponUser_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponRedemption" ADD CONSTRAINT "CouponRedemption_couponId_fkey" FOREIGN KEY ("couponId") REFERENCES "Coupon"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponRedemption" ADD CONSTRAINT "CouponRedemption_registrationId_fkey" FOREIGN KEY ("registrationId") REFERENCES "Registration"("id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponRedemption" ADD CONSTRAINT "CouponRedemption_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "CouponRedemption" ADD CONSTRAINT "CouponRedemption_appliedById_fkey" FOREIGN KEY ("appliedById") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;