31967/backend/src/db/seeders/20231127130745-sample-data.js

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

const Carts = db.carts;

const Designs = db.designs;

const Orders = db.orders;

const Stones = db.stones;

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

    // type code here for "relation_many" field

    last_updated: new Date('2023-10-01T15:00:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    last_updated: new Date('2023-10-02T16:00:00Z'),
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    last_updated: new Date('2023-10-03T17:00:00Z'),
  },
];

const DesignsData = [
  {
    name: 'Elegant Ring',

    description: 'A beautifully crafted ring with intricate designs.',

    category: 'Mangalsutra',

    // type code here for "relation_many" field

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

  {
    name: 'Classic Necklace',

    description: 'A timeless necklace design with a modern twist.',

    category: 'Rings',

    // type code here for "relation_many" field

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

  {
    name: 'Stylish Bracelet',

    description: 'A trendy bracelet that complements any outfit.',

    category: 'Necklace',

    // type code here for "relation_many" field

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

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

    // type code here for "relation_one" field

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

    status: 'Pending',

    total_price: 650,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    order_date: new Date('2023-10-02T11:00:00Z'),

    status: 'InProduction',

    total_price: 700,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_one" field

    order_date: new Date('2023-10-03T12:00:00Z'),

    status: 'Completed',

    total_price: 300,
  },
];

const StonesData = [
  {
    name: 'Ruby',

    price: 150,
  },

  {
    name: 'Emerald',

    price: 200,
  },

  {
    name: 'Sapphire',

    price: 250,
  },
];

// Similar logic for "relation_many"

async function associateCartWithCustomer() {
  const relatedCustomer0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Cart0 = await Carts.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Cart0?.setCustomer) {
    await Cart0.setCustomer(relatedCustomer0);
  }

  const relatedCustomer1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Cart1 = await Carts.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Cart1?.setCustomer) {
    await Cart1.setCustomer(relatedCustomer1);
  }

  const relatedCustomer2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Cart2 = await Carts.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Cart2?.setCustomer) {
    await Cart2.setCustomer(relatedCustomer2);
  }
}

// Similar logic for "relation_many"

// Similar logic for "relation_many"

async function associateOrderWithCustomer() {
  const relatedCustomer0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order0 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Order0?.setCustomer) {
    await Order0.setCustomer(relatedCustomer0);
  }

  const relatedCustomer1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order1 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Order1?.setCustomer) {
    await Order1.setCustomer(relatedCustomer1);
  }

  const relatedCustomer2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order2 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Order2?.setCustomer) {
    await Order2.setCustomer(relatedCustomer2);
  }
}

async function associateOrderWithDesign() {
  const relatedDesign0 = await Designs.findOne({
    offset: Math.floor(Math.random() * (await Designs.count())),
  });
  const Order0 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Order0?.setDesign) {
    await Order0.setDesign(relatedDesign0);
  }

  const relatedDesign1 = await Designs.findOne({
    offset: Math.floor(Math.random() * (await Designs.count())),
  });
  const Order1 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Order1?.setDesign) {
    await Order1.setDesign(relatedDesign1);
  }

  const relatedDesign2 = await Designs.findOne({
    offset: Math.floor(Math.random() * (await Designs.count())),
  });
  const Order2 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Order2?.setDesign) {
    await Order2.setDesign(relatedDesign2);
  }
}

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

    await Designs.bulkCreate(DesignsData);

    await Orders.bulkCreate(OrdersData);

    await Stones.bulkCreate(StonesData);

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

      await associateCartWithCustomer(),

      // Similar logic for "relation_many"

      // Similar logic for "relation_many"

      await associateOrderWithCustomer(),

      await associateOrderWithDesign(),
    ]);
  },

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

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

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

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