32775/backend/src/db/seeders/20231127130745-sample-data.js

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

const Ads = db.ads;

const Categories = db.categories;

const Reviews = db.reviews;

const Services = db.services;

const AdsData = [
  {
    title: 'Summer Sale',

    content: 'Get 20% off on all services this summer!',

    start_date: new Date('2023-06-01T00:00:00Z'),

    end_date: new Date('2023-08-31T23:59:59Z'),

    type: 'banner',
  },

  {
    title: 'New Year Offer',

    content: 'Start the year with a clean home!',

    start_date: new Date('2024-01-01T00:00:00Z'),

    end_date: new Date('2024-01-31T23:59:59Z'),

    type: 'banner',
  },

  {
    title: 'Spring Cleaning',

    content: 'Special rates for spring cleaning services.',

    start_date: new Date('2023-03-01T00:00:00Z'),

    end_date: new Date('2023-03-31T23:59:59Z'),

    type: 'sliding_banner',
  },
];

const CategoriesData = [
  {
    name: 'Home Services',

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

  {
    name: 'Outdoor Services',

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

  {
    name: 'Maintenance',

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

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

    // type code here for "relation_one" field

    rating: 5,

    comment: 'Excellent service, very professional!',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    rating: 4,

    comment: 'Good job, but a bit late.',
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    rating: 5,

    comment: 'Quick and efficient work.',
  },
];

const ServicesData = [
  {
    name: 'Plumbing',

    description: 'Fixing leaks and installing pipes',

    // type code here for "relation_one" field

    distance: 5.2,

    // type code here for "images" field

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

  {
    name: 'Gardening',

    description: 'Lawn mowing and garden maintenance',

    // type code here for "relation_one" field

    distance: 3.8,

    // type code here for "images" field

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

  {
    name: 'Electrical',

    description: 'Wiring and electrical repairs',

    // type code here for "relation_one" field

    distance: 7.1,

    // type code here for "images" field

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

// Similar logic for "relation_many"

// Similar logic for "relation_many"

async function associateReviewWithService() {
  const relatedService0 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Review0 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Review0?.setService) {
    await Review0.setService(relatedService0);
  }

  const relatedService1 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Review1 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Review1?.setService) {
    await Review1.setService(relatedService1);
  }

  const relatedService2 = await Services.findOne({
    offset: Math.floor(Math.random() * (await Services.count())),
  });
  const Review2 = await Reviews.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Review2?.setService) {
    await Review2.setService(relatedService2);
  }
}

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 associateServiceWithProvider() {
  const relatedProvider0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Service0 = await Services.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Service0?.setProvider) {
    await Service0.setProvider(relatedProvider0);
  }

  const relatedProvider1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Service1 = await Services.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Service1?.setProvider) {
    await Service1.setProvider(relatedProvider1);
  }

  const relatedProvider2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Service2 = await Services.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Service2?.setProvider) {
    await Service2.setProvider(relatedProvider2);
  }
}

// Similar logic for "relation_many"

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

    await Categories.bulkCreate(CategoriesData);

    await Reviews.bulkCreate(ReviewsData);

    await Services.bulkCreate(ServicesData);

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

      // Similar logic for "relation_many"

      await associateReviewWithService(),

      await associateReviewWithUser(),

      await associateServiceWithProvider(),

      // Similar logic for "relation_many"
    ]);
  },

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

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

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

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