33591/backend/src/db/seeders/20231127130745-sample-data.js

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

const Blogs = db.blogs;

const Inquiries = db.inquiries;

const Properties = db.properties;

const BlogsData = [
  {
    title: 'The Rise of Luxury Real Estate in Dubai',

    content:
      'Dubai has become a hub for luxury real estate, attracting investors from around the world.',

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

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

  {
    title: 'Top 5 Neighborhoods to Live in Dubai',

    content:
      'Discover the best neighborhoods in Dubai for families, singles, and professionals.',

    published_date: new Date('2023-09-15T10:00:00Z'),

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

  {
    title: 'How to Invest in Dubai Real Estate',

    content: "A guide to investing in Dubai's booming real estate market.",

    published_date: new Date('2023-08-20T10:00:00Z'),

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

const InquiriesData = [
  {
    visitor_name: 'Alice Johnson',

    visitor_email: 'alice.johnson@example.com',

    message: 'I am interested in the villa in Palm Jumeirah.',

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

  {
    visitor_name: 'Bob Martin',

    visitor_email: 'bob.martin@example.com',

    message: 'Can I schedule a viewing for the apartment in Downtown?',

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

  {
    visitor_name: 'Charlie Lee',

    visitor_email: 'charlie.lee@example.com',

    message: 'Is the studio in JLT still available?',

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

const PropertiesData = [
  {
    title: 'Luxury Villa in Palm Jumeirah',

    description: 'A stunning villa with a private beach and pool.',

    price: 15000000,

    status: 'rented',

    // type code here for "relation_one" field

    // type code here for "images" field

    location: 'Palm Jumeirah, Dubai',
  },

  {
    title: 'Modern Apartment in Downtown',

    description: 'A sleek apartment with city views and modern amenities.',

    price: 2500000,

    status: 'available',

    // type code here for "relation_one" field

    // type code here for "images" field

    location: 'Downtown Dubai',
  },

  {
    title: 'Cozy Studio in JLT',

    description: 'A compact studio perfect for singles or couples.',

    price: 800000,

    status: 'available',

    // type code here for "relation_one" field

    // type code here for "images" field

    location: 'Jumeirah Lake Towers, Dubai',
  },
];

// Similar logic for "relation_many"

async function associateBlogWithAuthor() {
  const relatedAuthor0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Blog0 = await Blogs.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Blog0?.setAuthor) {
    await Blog0.setAuthor(relatedAuthor0);
  }

  const relatedAuthor1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Blog1 = await Blogs.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Blog1?.setAuthor) {
    await Blog1.setAuthor(relatedAuthor1);
  }

  const relatedAuthor2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Blog2 = await Blogs.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Blog2?.setAuthor) {
    await Blog2.setAuthor(relatedAuthor2);
  }
}

async function associateInquiryWithProperty() {
  const relatedProperty0 = await Properties.findOne({
    offset: Math.floor(Math.random() * (await Properties.count())),
  });
  const Inquiry0 = await Inquiries.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Inquiry0?.setProperty) {
    await Inquiry0.setProperty(relatedProperty0);
  }

  const relatedProperty1 = await Properties.findOne({
    offset: Math.floor(Math.random() * (await Properties.count())),
  });
  const Inquiry1 = await Inquiries.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Inquiry1?.setProperty) {
    await Inquiry1.setProperty(relatedProperty1);
  }

  const relatedProperty2 = await Properties.findOne({
    offset: Math.floor(Math.random() * (await Properties.count())),
  });
  const Inquiry2 = await Inquiries.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Inquiry2?.setProperty) {
    await Inquiry2.setProperty(relatedProperty2);
  }
}

async function associatePropertyWithAgent() {
  const relatedAgent0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Property0 = await Properties.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Property0?.setAgent) {
    await Property0.setAgent(relatedAgent0);
  }

  const relatedAgent1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Property1 = await Properties.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Property1?.setAgent) {
    await Property1.setAgent(relatedAgent1);
  }

  const relatedAgent2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Property2 = await Properties.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Property2?.setAgent) {
    await Property2.setAgent(relatedAgent2);
  }
}

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

    await Inquiries.bulkCreate(InquiriesData);

    await Properties.bulkCreate(PropertiesData);

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

      await associateBlogWithAuthor(),

      await associateInquiryWithProperty(),

      await associatePropertyWithAgent(),
    ]);
  },

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

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

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