31817/backend/src/db/seeders/20231127130745-sample-data.js

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

const Ads = db.ads;

const Clicks = db.clicks;

const Withdrawals = db.withdrawals;

const AdsData = [
  {
    title: 'Ad Campaign 1',

    description: 'Promote our new product line.',

    start_date: new Date('2023-10-01T00:00:00Z'),

    end_date: new Date('2023-10-31T23:59:59Z'),
  },

  {
    title: 'Ad Campaign 2',

    description: 'Special discount offer.',

    start_date: new Date('2023-10-05T00:00:00Z'),

    end_date: new Date('2023-10-20T23:59:59Z'),
  },

  {
    title: 'Ad Campaign 3',

    description: 'Join our newsletter for updates.',

    start_date: new Date('2023-10-10T00:00:00Z'),

    end_date: new Date('2023-10-25T23:59:59Z'),
  },
];

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

    // type code here for "relation_one" field

    click_time: new Date('2023-10-01T10:10:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    click_time: new Date('2023-10-02T11:40:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    click_time: new Date('2023-10-03T09:55:00Z'),
  },
];

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

    amount: 15000,

    withdrawal_date: new Date('2023-10-06T10:00:00Z'),

    status: 'Completed',
  },

  {
    // type code here for "relation_one" field

    amount: 20000,

    withdrawal_date: new Date('2023-10-07T11:30:00Z'),

    status: 'Failed',
  },

  {
    // type code here for "relation_one" field

    amount: 25000,

    withdrawal_date: new Date('2023-10-08T09:45:00Z'),

    status: 'Pending',
  },
];

// Similar logic for "relation_many"

async function associateClickWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Click0 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Click0?.setUser) {
    await Click0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Click1 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Click1?.setUser) {
    await Click1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Click2 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Click2?.setUser) {
    await Click2.setUser(relatedUser2);
  }
}

async function associateClickWithAd() {
  const relatedAd0 = await Ads.findOne({
    offset: Math.floor(Math.random() * (await Ads.count())),
  });
  const Click0 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Click0?.setAd) {
    await Click0.setAd(relatedAd0);
  }

  const relatedAd1 = await Ads.findOne({
    offset: Math.floor(Math.random() * (await Ads.count())),
  });
  const Click1 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Click1?.setAd) {
    await Click1.setAd(relatedAd1);
  }

  const relatedAd2 = await Ads.findOne({
    offset: Math.floor(Math.random() * (await Ads.count())),
  });
  const Click2 = await Clicks.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Click2?.setAd) {
    await Click2.setAd(relatedAd2);
  }
}

async function associateWithdrawalWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Withdrawal0 = await Withdrawals.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Withdrawal0?.setUser) {
    await Withdrawal0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Withdrawal1 = await Withdrawals.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Withdrawal1?.setUser) {
    await Withdrawal1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Withdrawal2 = await Withdrawals.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Withdrawal2?.setUser) {
    await Withdrawal2.setUser(relatedUser2);
  }
}

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

    await Clicks.bulkCreate(ClicksData);

    await Withdrawals.bulkCreate(WithdrawalsData);

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

      await associateClickWithUser(),

      await associateClickWithAd(),

      await associateWithdrawalWithUser(),
    ]);
  },

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

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

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