32118/backend/src/db/seeders/20231127130745-sample-data.js

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

const BookingRequests = db.booking_requests;

const Rooms = db.rooms;

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

    // type code here for "relation_one" field

    start_date: new Date('2023-11-01T14:00:00Z'),

    end_date: new Date('2023-11-05T11:00:00Z'),

    status: 'Confirmed',

    guest_name: 'Max von Laue',

    guest_company: 'Isaac Newton',

    guest_phone: 'B. F. Skinner',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_date: new Date('2023-11-10T14:00:00Z'),

    end_date: new Date('2023-11-15T11:00:00Z'),

    status: 'Pending',

    guest_name: 'Erwin Schrodinger',

    guest_company: 'John Bardeen',

    guest_phone: 'John Bardeen',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_date: new Date('2023-11-20T14:00:00Z'),

    end_date: new Date('2023-11-25T11:00:00Z'),

    status: 'Confirmed',

    guest_name: 'Linus Pauling',

    guest_company: 'Antoine Laurent Lavoisier',

    guest_phone: 'Edwin Hubble',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_date: new Date('2023-12-01T14:00:00Z'),

    end_date: new Date('2023-12-05T11:00:00Z'),

    status: 'Rejected',

    guest_name: 'Charles Darwin',

    guest_company: 'Frederick Sanger',

    guest_phone: 'Carl Linnaeus',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    start_date: new Date('2023-12-10T14:00:00Z'),

    end_date: new Date('2023-12-15T11:00:00Z'),

    status: 'Pending',

    guest_name: 'Max Delbruck',

    guest_company: 'Trofim Lysenko',

    guest_phone: 'Louis Victor de Broglie',
  },
];

const RoomsData = [
  {
    block: 'Block 1',

    room_number: 101,

    bed_type: 'Bed-1',
  },

  {
    block: 'Block 1',

    room_number: 102,

    bed_type: 'Bed-1',
  },

  {
    block: 'Block 1',

    room_number: 102,

    bed_type: 'Bed-1',
  },

  {
    block: 'Block 2',

    room_number: 201,

    bed_type: 'SingleBed',
  },

  {
    block: 'Block 2',

    room_number: 201,

    bed_type: 'Bed-2',
  },
];

// Similar logic for "relation_many"

async function associateBookingRequestWithGuest() {
  const relatedGuest0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const BookingRequest0 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (BookingRequest0?.setGuest) {
    await BookingRequest0.setGuest(relatedGuest0);
  }

  const relatedGuest1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const BookingRequest1 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (BookingRequest1?.setGuest) {
    await BookingRequest1.setGuest(relatedGuest1);
  }

  const relatedGuest2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const BookingRequest2 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (BookingRequest2?.setGuest) {
    await BookingRequest2.setGuest(relatedGuest2);
  }

  const relatedGuest3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const BookingRequest3 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (BookingRequest3?.setGuest) {
    await BookingRequest3.setGuest(relatedGuest3);
  }

  const relatedGuest4 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const BookingRequest4 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (BookingRequest4?.setGuest) {
    await BookingRequest4.setGuest(relatedGuest4);
  }
}

async function associateBookingRequestWithRoom() {
  const relatedRoom0 = await Rooms.findOne({
    offset: Math.floor(Math.random() * (await Rooms.count())),
  });
  const BookingRequest0 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (BookingRequest0?.setRoom) {
    await BookingRequest0.setRoom(relatedRoom0);
  }

  const relatedRoom1 = await Rooms.findOne({
    offset: Math.floor(Math.random() * (await Rooms.count())),
  });
  const BookingRequest1 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (BookingRequest1?.setRoom) {
    await BookingRequest1.setRoom(relatedRoom1);
  }

  const relatedRoom2 = await Rooms.findOne({
    offset: Math.floor(Math.random() * (await Rooms.count())),
  });
  const BookingRequest2 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (BookingRequest2?.setRoom) {
    await BookingRequest2.setRoom(relatedRoom2);
  }

  const relatedRoom3 = await Rooms.findOne({
    offset: Math.floor(Math.random() * (await Rooms.count())),
  });
  const BookingRequest3 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (BookingRequest3?.setRoom) {
    await BookingRequest3.setRoom(relatedRoom3);
  }

  const relatedRoom4 = await Rooms.findOne({
    offset: Math.floor(Math.random() * (await Rooms.count())),
  });
  const BookingRequest4 = await BookingRequests.findOne({
    order: [['id', 'ASC']],
    offset: 4,
  });
  if (BookingRequest4?.setRoom) {
    await BookingRequest4.setRoom(relatedRoom4);
  }
}

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

    await Rooms.bulkCreate(RoomsData);

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

      await associateBookingRequestWithGuest(),

      await associateBookingRequestWithRoom(),
    ]);
  },

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

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