32425/backend/src/db/seeders/20231127130745-sample-data.js

const db = require('../models');
const Users = db.users;

const Appointments = db.appointments;

const Barbers = db.barbers;

const Services = db.services;

const AppointmentsData = [
  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_time: new Date('2023-11-01T10:00:00Z'),

    end_time: new Date('2023-11-01T11:00:00Z'),

    status: 'canceled',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_time: new Date('2023-11-02T12:00:00Z'),

    end_time: new Date('2023-11-02T12:30:00Z'),

    status: 'pending',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_time: new Date('2023-11-03T14:00:00Z'),

    end_time: new Date('2023-11-03T15:30:00Z'),

    status: 'pending',
  },
];

const BarbersData = [
  {
    name: 'Michael Brown',

    specialty: 'Haircut',
  },

  {
    name: 'Emily Jones',

    specialty: 'Shave',
  },

  {
    name: 'David Wilson',

    specialty: 'Beard Trim',
  },
];

const ServicesData = [
  {
    name: 'Haircut',

    price: 25,

    description: 'A standard haircut service.',
  },

  {
    name: 'Shave',

    price: 15,

    description: 'A clean shave service.',
  },

  {
    name: 'Beard Trim',

    price: 10,

    description: 'A quick beard trim service.',
  },
];

// Similar logic for "relation_many"

async function associateAppointmentWithCustomer() {
  const relatedCustomer0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Appointment0 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Appointment0?.setCustomer) {
    await Appointment0.setCustomer(relatedCustomer0);
  }

  const relatedCustomer1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Appointment1 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Appointment1?.setCustomer) {
    await Appointment1.setCustomer(relatedCustomer1);
  }

  const relatedCustomer2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Appointment2 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Appointment2?.setCustomer) {
    await Appointment2.setCustomer(relatedCustomer2);
  }
}

async function associateAppointmentWithService() {
  const relatedService0 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Appointment0 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Appointment0?.setService) {
    await Appointment0.setService(relatedService0);
  }

  const relatedService1 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Appointment1 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Appointment1?.setService) {
    await Appointment1.setService(relatedService1);
  }

  const relatedService2 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Appointment2 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Appointment2?.setService) {
    await Appointment2.setService(relatedService2);
  }
}

async function associateAppointmentWithBarber() {
  const relatedBarber0 = await Barbers.findOne({
    offset: Math.floor(Math.random() * (await Barbers.count())),
  });
  const Appointment0 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Appointment0?.setBarber) {
    await Appointment0.setBarber(relatedBarber0);
  }

  const relatedBarber1 = await Barbers.findOne({
    offset: Math.floor(Math.random() * (await Barbers.count())),
  });
  const Appointment1 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Appointment1?.setBarber) {
    await Appointment1.setBarber(relatedBarber1);
  }

  const relatedBarber2 = await Barbers.findOne({
    offset: Math.floor(Math.random() * (await Barbers.count())),
  });
  const Appointment2 = await Appointments.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Appointment2?.setBarber) {
    await Appointment2.setBarber(relatedBarber2);
  }
}

module.exports = {
  up: async (queryInterface, Sequelize) => {
    await Appointments.bulkCreate(AppointmentsData);

    await Barbers.bulkCreate(BarbersData);

    await Services.bulkCreate(ServicesData);

    await Promise.all([
      // Similar logic for "relation_many"

      await associateAppointmentWithCustomer(),

      await associateAppointmentWithService(),

      await associateAppointmentWithBarber(),
    ]);
  },

  down: async (queryInterface, Sequelize) => {
    await queryInterface.bulkDelete('appointments', null, {});

    await queryInterface.bulkDelete('barbers', null, {});

    await queryInterface.bulkDelete('services', null, {});
  },
};