calendar/packages/trpc/server/routers/viewer/teams/listMembers.handler.ts

import type { TrpcSessionUser } from "@calcom/trpc/server/trpc";

import type { TListMembersInputSchema } from "./listMembers.schema";
import type { PrismaClient } from ".prisma/client";

type ListMembersOptions = {
  ctx: {
    user: NonNullable<TrpcSessionUser>;
    prisma: PrismaClient;
  };
  input: TListMembersInputSchema;
};

export const listMembersHandler = async ({ ctx, input }: ListMembersOptions) => {
  const { prisma } = ctx;
  const teams = await prisma.team.findMany({
    where: {
      id: {
        in: input.teamIds,
      },
      members: {
        some: {
          user: {
            id: ctx.user.id,
          },
          accepted: true,
        },
      },
    },
    select: {
      members: {
        select: {
          user: {
            select: {
              id: true,
              name: true,
              username: true,
            },
          },
          accepted: true,
        },
      },
    },
  });

  type UserMap = Record<number, (typeof teams)[number]["members"][number]["user"] & { accepted: boolean }>;
  // flatten users to be unique by id
  const users = teams
    .flatMap((t) => t.members)
    .reduce(
      (acc, m) => (m.user.id in acc ? acc : { ...acc, [m.user.id]: { ...m.user, accepted: m.accepted } }),
      {} as UserMap
    );

  return Object.values(users);
};