32167/backend/src/db/seeders/20231127130745-sample-data.js

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

const Categories = db.categories;

const Subscriptions = db.subscriptions;

const Suggestions = db.suggestions;

const Tags = db.tags;

const Videos = db.videos;

const CategoriesData = [
  {
    name: 'technology',
  },

  {
    name: 'education',
  },

  {
    name: 'cooking',
  },

  {
    name: 'lifestyle',
  },
];

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

    price: 9.99,

    billing_cycle: 'monthly',
  },

  {
    name: 'Standard Plan',

    price: 19.99,

    billing_cycle: 'monthly',
  },

  {
    name: 'Premium Plan',

    price: 29.99,

    billing_cycle: 'yearly',
  },

  {
    name: 'Annual Basic Plan',

    price: 99.99,

    billing_cycle: 'yearly',
  },
];

const SuggestionsData = [
  {
    // type code here for "relation_one" field
    // type code here for "relation_many" field
  },

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

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

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

const TagsData = [
  {
    name: 'AI',
  },

  {
    name: 'machine learning',
  },

  {
    name: 'cooking',
  },

  {
    name: 'beginner',
  },
];

const VideosData = [
  {
    title: 'Introduction to AI',

    description: 'A comprehensive guide to AI technologies.',

    release_date: new Date('2023-01-15T10:00:00Z'),

    // type code here for "relation_many" field

    // type code here for "relation_many" field

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

  {
    title: 'Cooking Basics',

    description: "Learn the basics of cooking with this beginner's guide.",

    release_date: new Date('2023-02-20T12:00:00Z'),

    // type code here for "relation_many" field

    // type code here for "relation_many" field

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

  {
    title: 'Yoga for Beginners',

    description: 'Start your yoga journey with these simple exercises.',

    release_date: new Date('2023-03-10T08:30:00Z'),

    // type code here for "relation_many" field

    // type code here for "relation_many" field

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

  {
    title: 'Travel Vlog: Japan',

    description: 'Explore the beautiful landscapes of Japan.',

    release_date: new Date('2023-04-05T14:00:00Z'),

    // type code here for "relation_many" field

    // type code here for "relation_many" field

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

// Similar logic for "relation_many"

async function associateSuggestionWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Suggestion0 = await Suggestions.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Suggestion0?.setUser) {
    await Suggestion0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Suggestion1 = await Suggestions.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Suggestion1?.setUser) {
    await Suggestion1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Suggestion2 = await Suggestions.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Suggestion2?.setUser) {
    await Suggestion2.setUser(relatedUser2);
  }

  const relatedUser3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Suggestion3 = await Suggestions.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Suggestion3?.setUser) {
    await Suggestion3.setUser(relatedUser3);
  }
}

// Similar logic for "relation_many"

// Similar logic for "relation_many"

// Similar logic for "relation_many"

async function associateVideoWithUploaded_by() {
  const relatedUploaded_by0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video0 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Video0?.setUploaded_by) {
    await Video0.setUploaded_by(relatedUploaded_by0);
  }

  const relatedUploaded_by1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video1 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Video1?.setUploaded_by) {
    await Video1.setUploaded_by(relatedUploaded_by1);
  }

  const relatedUploaded_by2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video2 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Video2?.setUploaded_by) {
    await Video2.setUploaded_by(relatedUploaded_by2);
  }

  const relatedUploaded_by3 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Video3 = await Videos.findOne({
    order: [['id', 'ASC']],
    offset: 3,
  });
  if (Video3?.setUploaded_by) {
    await Video3.setUploaded_by(relatedUploaded_by3);
  }
}

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

    await Subscriptions.bulkCreate(SubscriptionsData);

    await Suggestions.bulkCreate(SuggestionsData);

    await Tags.bulkCreate(TagsData);

    await Videos.bulkCreate(VideosData);

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

      await associateSuggestionWithUser(),

      // Similar logic for "relation_many"

      // Similar logic for "relation_many"

      // Similar logic for "relation_many"

      await associateVideoWithUploaded_by(),
    ]);
  },

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

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

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

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

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