30923/backend/src/db/seeders/20231127130745-sample-data.js

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

const Scripts = db.scripts;

const Subscriptions = db.subscriptions;

const Videos = db.videos;

const ScriptsData = [
  {
    title: 'How to Cook Pasta',

    content: 'Boil water, add pasta, cook for 10 minutes.',

    // type code here for "relation_one" field
  },

  {
    title: 'Yoga for Beginners',

    content: 'Start with breathing exercises, then basic poses.',

    // type code here for "relation_one" field
  },

  {
    title: 'Daily Motivation',

    content: 'Believe in yourself and all that you are.',

    // type code here for "relation_one" field
  },
];

const SubscriptionsData = [
  {
    name: 'Basic Plan',

    price: 9.99,

    duration: 'yearly',
  },

  {
    name: 'Pro Plan',

    price: 19.99,

    duration: 'monthly',
  },

  {
    name: 'Enterprise Plan',

    price: 49.99,

    duration: 'monthly',
  },
];

const VideosData = [
  {
    title: 'Pasta Cooking Guide',

    // type code here for "relation_one" field

    // type code here for "relation_one" field
  },

  {
    title: 'Beginner Yoga Session',

    // type code here for "relation_one" field

    // type code here for "relation_one" field
  },

  {
    title: 'Morning Motivation',

    // type code here for "relation_one" field

    // type code here for "relation_one" field
  },
];

// Similar logic for "relation_many"

async function associateScriptWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Script0 = await Scripts.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Script0?.setUser) {
    await Script0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Script1 = await Scripts.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Script1?.setUser) {
    await Script1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Script2 = await Scripts.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Script2?.setUser) {
    await Script2.setUser(relatedUser2);
  }
}

async function associateVideoWithScript() {
  const relatedScript0 = await Scripts.findOne({
    offset: Math.floor(Math.random() * (await Scripts.count())),
  });
  const Video0 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Video0?.setScript) {
    await Video0.setScript(relatedScript0);
  }

  const relatedScript1 = await Scripts.findOne({
    offset: Math.floor(Math.random() * (await Scripts.count())),
  });
  const Video1 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Video1?.setScript) {
    await Video1.setScript(relatedScript1);
  }

  const relatedScript2 = await Scripts.findOne({
    offset: Math.floor(Math.random() * (await Scripts.count())),
  });
  const Video2 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Video2?.setScript) {
    await Video2.setScript(relatedScript2);
  }
}

async function associateVideoWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video0 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Video0?.setUser) {
    await Video0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video1 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Video1?.setUser) {
    await Video1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video2 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Video2?.setUser) {
    await Video2.setUser(relatedUser2);
  }
}

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

    await Subscriptions.bulkCreate(SubscriptionsData);

    await Videos.bulkCreate(VideosData);

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

      await associateScriptWithUser(),

      await associateVideoWithScript(),

      await associateVideoWithUser(),
    ]);
  },

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

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

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