-- CreateEnum
CREATE TYPE "ActivityType" AS ENUM ('UPDATE_GROUP', 'CREATE_EXPENSE', 'UPDATE_EXPENSE', 'DELETE_EXPENSE');

-- CreateTable
CREATE TABLE "Activity" (
    "id" TEXT NOT NULL,
    "groupId" TEXT NOT NULL,
    "time" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "activityType" "ActivityType" NOT NULL,
    "participantId" TEXT,
    "expenseId" TEXT,
    "data" TEXT,

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

-- AddForeignKey
ALTER TABLE "Activity" ADD CONSTRAINT "Activity_groupId_fkey" FOREIGN KEY ("groupId") REFERENCES "Group"("id") ON DELETE RESTRICT ON UPDATE CASCADE;