Kuma/prisma/migrations/20260913155733_add_discount_codes/migration.sql

-- AlterTable
ALTER TABLE "CourseBooking" ADD COLUMN     "discountAmount" INTEGER,
ADD COLUMN     "discountCodeId" TEXT;

-- CreateTable
CREATE TABLE "DiscountCode" (
    "id" TEXT NOT NULL,
    "businessId" TEXT NOT NULL,
    "code" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "value" INTEGER NOT NULL,
    "scope" TEXT NOT NULL,
    "courseIds" TEXT[],
    "maxRedemptions" INTEGER,
    "redeemedCount" INTEGER NOT NULL DEFAULT 0,
    "startsAt" TIMESTAMP(3),
    "expiresAt" TIMESTAMP(3),
    "isActive" BOOLEAN NOT NULL DEFAULT true,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "DiscountCode_pkey" PRIMARY KEY ("id")
);

-- CreateTable
CREATE TABLE "DiscountRedemption" (
    "id" TEXT NOT NULL,
    "discountCodeId" TEXT NOT NULL,
    "userId" TEXT NOT NULL,
    "bookingId" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,

    CONSTRAINT "DiscountRedemption_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE INDEX "DiscountCode_businessId_idx" ON "DiscountCode"("businessId");

-- CreateIndex
CREATE UNIQUE INDEX "DiscountCode_businessId_code_key" ON "DiscountCode"("businessId", "code");

-- CreateIndex
CREATE UNIQUE INDEX "DiscountRedemption_bookingId_key" ON "DiscountRedemption"("bookingId");

-- CreateIndex
CREATE INDEX "DiscountRedemption_discountCodeId_idx" ON "DiscountRedemption"("discountCodeId");

-- CreateIndex
CREATE INDEX "DiscountRedemption_userId_idx" ON "DiscountRedemption"("userId");

-- CreateIndex
CREATE UNIQUE INDEX "DiscountRedemption_discountCodeId_userId_key" ON "DiscountRedemption"("discountCodeId", "userId");

-- CreateIndex
CREATE INDEX "CourseBooking_discountCodeId_idx" ON "CourseBooking"("discountCodeId");

-- AddForeignKey
ALTER TABLE "CourseBooking" ADD CONSTRAINT "CourseBooking_discountCodeId_fkey" FOREIGN KEY ("discountCodeId") REFERENCES "DiscountCode"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DiscountCode" ADD CONSTRAINT "DiscountCode_businessId_fkey" FOREIGN KEY ("businessId") REFERENCES "Business"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DiscountRedemption" ADD CONSTRAINT "DiscountRedemption_discountCodeId_fkey" FOREIGN KEY ("discountCodeId") REFERENCES "DiscountCode"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DiscountRedemption" ADD CONSTRAINT "DiscountRedemption_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DiscountRedemption" ADD CONSTRAINT "DiscountRedemption_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "CourseBooking"("id") ON DELETE CASCADE ON UPDATE CASCADE;