calendar/packages/trpc/server/routers/viewer/availability/list.handler.ts

import { prisma } from "@calcom/prisma";

import type { TrpcSessionUser } from "../../../trpc";
import { getDefaultScheduleId } from "./util";

type ListOptions = {
  ctx: {
    user: NonNullable<TrpcSessionUser>;
  };
};

export const listHandler = async ({ ctx }: ListOptions) => {
  const { user } = ctx;

  const schedules = await prisma.schedule.findMany({
    where: {
      userId: user.id,
    },
    select: {
      id: true,
      name: true,
      availability: true,
      timeZone: true,
    },
    orderBy: {
      id: "asc",
    },
  });

  const defaultScheduleId = await getDefaultScheduleId(user.id, prisma);

  if (!user.defaultScheduleId) {
    await prisma.user.update({
      where: {
        id: user.id,
      },
      data: {
        defaultScheduleId,
      },
    });
  }

  return {
    schedules: schedules.map((schedule) => ({
      ...schedule,
      isDefault: schedule.id === defaultScheduleId,
    })),
  };
};