availabilityCtrs.js

export const teacherAvailableSchedulesCtrl = {
  async create(schedule, params) {

    const teacherId = params.auth.teacherId
    const existingSchedule = (await teacherAvailabilitySchedulesDao.find({query: {teacherId}}))[0];

    if (existingSchedule) {
      return teacherAvailabilitySchedulesDao.update(existingSchedule._id, {
        ...existingSchedule,
        schedule: schedule.schedule
      }, {});
    } else {
      return await teacherAvailabilitySchedulesDao.create({teacherId, schedule: schedule.schedule}, {});
    }
  },
};