31122/backend/src/db/seeders/20231127130745-sample-data.js

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

const Beaches = db.beaches;

const Reviews = db.reviews;

const BeachesData = [
  {
    name: 'Sunny Beach',

    location: 'California, USA',

    description: 'A beautiful sunny beach with golden sands and clear waters.',

    // type code here for "images" field

    latitude: 34.0194,

    longitude: -118.4912,

    type: 'Private',

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

  {
    name: 'Emerald Cove',

    location: 'Queensland, Australia',

    description:
      'A secluded cove with emerald green waters and lush surroundings.',

    // type code here for "images" field

    latitude: -16.9186,

    longitude: 145.7781,

    type: 'Public',

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

  {
    name: 'Coral Bay',

    location: 'Hawaii, USA',

    description:
      'A vibrant beach known for its coral reefs and snorkeling opportunities.',

    // type code here for "images" field

    latitude: 20.7984,

    longitude: -156.3319,

    type: 'Resort',

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

const ReviewsData = [
  {
    title: 'Amazing Beach!',

    content:
      'The beach was absolutely stunning and the water was crystal clear.',

    rating: 5,

    // type code here for "relation_one" field

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

  {
    title: 'Great for Snorkeling',

    content: 'Loved the coral reefs and the variety of fish.',

    rating: 4,

    // type code here for "relation_one" field

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

  {
    title: 'Perfect for Relaxation',

    content: 'A quiet and peaceful spot to unwind.',

    rating: 5,

    // type code here for "relation_one" field

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

// Similar logic for "relation_many"

// Similar logic for "relation_many"

async function associateReviewWithUser() {
  const relatedUser0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Review0 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Review0?.setUser) {
    await Review0.setUser(relatedUser0);
  }

  const relatedUser1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Review1 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Review1?.setUser) {
    await Review1.setUser(relatedUser1);
  }

  const relatedUser2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Review2 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Review2?.setUser) {
    await Review2.setUser(relatedUser2);
  }
}

async function associateReviewWithBeach() {
  const relatedBeach0 = await Beaches.findOne({
    offset: Math.floor(Math.random() * (await Beaches.count())),
  });
  const Review0 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Review0?.setBeach) {
    await Review0.setBeach(relatedBeach0);
  }

  const relatedBeach1 = await Beaches.findOne({
    offset: Math.floor(Math.random() * (await Beaches.count())),
  });
  const Review1 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Review1?.setBeach) {
    await Review1.setBeach(relatedBeach1);
  }

  const relatedBeach2 = await Beaches.findOne({
    offset: Math.floor(Math.random() * (await Beaches.count())),
  });
  const Review2 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Review2?.setBeach) {
    await Review2.setBeach(relatedBeach2);
  }
}

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

    await Reviews.bulkCreate(ReviewsData);

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

      // Similar logic for "relation_many"

      await associateReviewWithUser(),

      await associateReviewWithBeach(),
    ]);
  },

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

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