32315/backend/src/db/seeders/20231127130745-sample-data.js

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

const Admins = db.admins;

const CustomerSupportReps = db.customer_support_reps;

const DeliveryStaff = db.delivery_staff;

const Inventory = db.inventory;

const OrderItems = db.order_items;

const Orders = db.orders;

const Products = db.products;

const AdminsData = [
  {
    username: 'admin1',

    email: 'admin1@example.com',

    password: 'adminpass1',
  },

  {
    username: 'admin2',

    email: 'admin2@example.com',

    password: 'adminpass2',
  },

  {
    username: 'admin3',

    email: 'admin3@example.com',

    password: 'adminpass3',
  },
];

const CustomerSupportRepsData = [
  {
    name: 'Alice Johnson',

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

    phone: '4455667788',
  },

  {
    name: 'Bob Williams',

    email: 'bob.williams@example.com',

    phone: '5566778899',
  },

  {
    name: 'Charlie Brown',

    email: 'charlie.brown@example.com',

    phone: '6677889900',
  },
];

const DeliveryStaffData = [
  {
    name: 'Tom Hardy',

    email: 'tom.hardy@example.com',

    phone: '1234567890',
  },

  {
    name: 'Emma Stone',

    email: 'emma.stone@example.com',

    phone: '0987654321',
  },

  {
    name: 'Chris Evans',

    email: 'chris.evans@example.com',

    phone: '1122334455',
  },
];

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

    quantity: 150,
  },

  {
    // type code here for "relation_one" field

    quantity: 50,
  },

  {
    // type code here for "relation_one" field

    quantity: 200,
  },
];

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

    quantity: 3,

    price: 11.97,
  },

  {
    // type code here for "relation_one" field

    quantity: 2,

    price: 4.98,
  },

  {
    // type code here for "relation_one" field

    quantity: 1,

    price: 12.99,
  },
];

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

    // type code here for "relation_many" field

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

    status: 'pending',

    total_amount: 16.95,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    order_date: new Date('2023-10-02T12:30:00Z'),

    status: 'delivered',

    total_amount: 19.44,
  },

  {
    // type code here for "relation_one" field

    // type code here for "relation_many" field

    order_date: new Date('2023-10-03T15:45:00Z'),

    status: 'shipped',

    total_amount: 26.94,
  },
];

const ProductsData = [
  {
    name: 'Organic Apples',

    description: 'Fresh organic apples from local farms.',

    price: 3.99,

    stock: 150,

    category: 'fish',

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

  {
    name: 'Wild Salmon',

    description: 'Freshly caught wild salmon fillets.',

    price: 12.99,

    stock: 50,

    category: 'vegetables',

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

  {
    name: 'Chicken Breast',

    description: 'Free-range chicken breast, skinless and boneless.',

    price: 5.49,

    stock: 200,

    category: 'vegetables',

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

// Similar logic for "relation_many"

async function associateInventoryWithProduct() {
  const relatedProduct0 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const Inventory0 = await Inventory.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Inventory0?.setProduct) {
    await Inventory0.setProduct(relatedProduct0);
  }

  const relatedProduct1 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const Inventory1 = await Inventory.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Inventory1?.setProduct) {
    await Inventory1.setProduct(relatedProduct1);
  }

  const relatedProduct2 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const Inventory2 = await Inventory.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Inventory2?.setProduct) {
    await Inventory2.setProduct(relatedProduct2);
  }
}

async function associateOrderItemWithProduct() {
  const relatedProduct0 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const OrderItem0 = await OrderItems.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (OrderItem0?.setProduct) {
    await OrderItem0.setProduct(relatedProduct0);
  }

  const relatedProduct1 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const OrderItem1 = await OrderItems.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (OrderItem1?.setProduct) {
    await OrderItem1.setProduct(relatedProduct1);
  }

  const relatedProduct2 = await Products.findOne({
    offset: Math.floor(Math.random() * (await Products.count())),
  });
  const OrderItem2 = await OrderItems.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (OrderItem2?.setProduct) {
    await OrderItem2.setProduct(relatedProduct2);
  }
}

async function associateOrderWithShopper() {
  const relatedShopper0 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order0 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 0,
  });
  if (Order0?.setShopper) {
    await Order0.setShopper(relatedShopper0);
  }

  const relatedShopper1 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order1 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 1,
  });
  if (Order1?.setShopper) {
    await Order1.setShopper(relatedShopper1);
  }

  const relatedShopper2 = await Users.findOne({
    offset: Math.floor(Math.random() * (await Users.count())),
  });
  const Order2 = await Orders.findOne({
    order: [['id', 'ASC']],
    offset: 2,
  });
  if (Order2?.setShopper) {
    await Order2.setShopper(relatedShopper2);
  }
}

// Similar logic for "relation_many"

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

    await CustomerSupportReps.bulkCreate(CustomerSupportRepsData);

    await DeliveryStaff.bulkCreate(DeliveryStaffData);

    await Inventory.bulkCreate(InventoryData);

    await OrderItems.bulkCreate(OrderItemsData);

    await Orders.bulkCreate(OrdersData);

    await Products.bulkCreate(ProductsData);

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

      await associateInventoryWithProduct(),

      await associateOrderItemWithProduct(),

      await associateOrderWithShopper(),

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

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

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

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

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

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

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

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