const db = require('../models'); const Users = db.users; const Categories = db.categories; const CoffeeBlends = db.coffee_blends; const Customers = db.customers; const Orders = db.orders; const Payments = db.payments; const Reports = db.reports; const CategoriesData = [ { name: 'Organic', description: 'Certified organic coffee blends.', }, { name: 'Fair Trade', description: 'Fair trade certified coffee blends.', }, { name: 'Seasonal', description: 'Special seasonal coffee blends.', }, { name: 'Espresso', description: 'Espresso coffee blends.', }, ]; const CoffeeBlendsData = [ { name: 'Espresso Delight', description: 'A rich and bold espresso blend.', price: 12.99, stock_level: 100, // type code here for "relation_one" field }, { name: 'Morning Bliss', description: 'A smooth and aromatic morning blend.', price: 10.99, stock_level: 150, // type code here for "relation_one" field }, { name: 'Organic Harmony', description: 'A certified organic coffee blend.', price: 14.99, stock_level: 80, // type code here for "relation_one" field }, { name: 'Fair Trade Fiesta', description: 'A fair trade certified coffee blend.', price: 13.99, stock_level: 120, // type code here for "relation_one" field }, ]; const CustomersData = [ { first_name: 'John', last_name: 'Doe', email: 'john.doe@example.com', // type code here for "relation_many" field }, { first_name: 'Jane', last_name: 'Smith', email: 'jane.smith@example.com', // type code here for "relation_many" field }, { first_name: 'Alice', last_name: 'Johnson', email: 'alice.johnson@example.com', // type code here for "relation_many" field }, { first_name: 'Bob', last_name: 'Brown', email: 'bob.brown@example.com', // type code here for "relation_many" field }, ]; 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: 'Cancelled', }, { // type code here for "relation_one" field // type code here for "relation_many" field order_date: new Date('2023-10-02T11:30:00Z'), status: 'Shipped', }, { // type code here for "relation_one" field // type code here for "relation_many" field order_date: new Date('2023-10-03T09:15:00Z'), status: 'Cancelled', }, { // type code here for "relation_one" field // type code here for "relation_many" field order_date: new Date('2023-10-04T14:45:00Z'), status: 'Cancelled', }, ]; const PaymentsData = [ { // type code here for "relation_one" field amount: 25.98, status: 'Completed', payment_date: new Date('2023-10-01T10:05:00Z'), }, { // type code here for "relation_one" field amount: 14.99, status: 'Pending', payment_date: new Date('2023-10-02T11:35:00Z'), }, { // type code here for "relation_one" field amount: 29.98, status: 'Failed', payment_date: new Date('2023-10-03T09:20:00Z'), }, { // type code here for "relation_one" field amount: 24.98, status: 'Completed', payment_date: new Date('2023-10-04T14:50:00Z'), }, ]; const ReportsData = [ { report_date: new Date('2023-10-01T00:00:00Z'), content: 'Sales increased by 10% this month.', }, { report_date: new Date('2023-10-02T00:00:00Z'), content: 'Customer satisfaction is at 85%.', }, { report_date: new Date('2023-10-03T00:00:00Z'), content: "New blend 'Espresso Delight' is a top seller.", }, { report_date: new Date('2023-10-04T00:00:00Z'), content: 'Inventory levels are stable.', }, ]; // Similar logic for "relation_many" async function associateCoffeeBlendWithCategory() { const relatedCategory0 = await Categories.findOne({ offset: Math.floor(Math.random() * (await Categories.count())), }); const CoffeeBlend0 = await CoffeeBlends.findOne({ order: [['id', 'ASC']], offset: 0, }); if (CoffeeBlend0?.setCategory) { await CoffeeBlend0.setCategory(relatedCategory0); } const relatedCategory1 = await Categories.findOne({ offset: Math.floor(Math.random() * (await Categories.count())), }); const CoffeeBlend1 = await CoffeeBlends.findOne({ order: [['id', 'ASC']], offset: 1, }); if (CoffeeBlend1?.setCategory) { await CoffeeBlend1.setCategory(relatedCategory1); } const relatedCategory2 = await Categories.findOne({ offset: Math.floor(Math.random() * (await Categories.count())), }); const CoffeeBlend2 = await CoffeeBlends.findOne({ order: [['id', 'ASC']], offset: 2, }); if (CoffeeBlend2?.setCategory) { await CoffeeBlend2.setCategory(relatedCategory2); } const relatedCategory3 = await Categories.findOne({ offset: Math.floor(Math.random() * (await Categories.count())), }); const CoffeeBlend3 = await CoffeeBlends.findOne({ order: [['id', 'ASC']], offset: 3, }); if (CoffeeBlend3?.setCategory) { await CoffeeBlend3.setCategory(relatedCategory3); } } // Similar logic for "relation_many" async function associateOrderWithCustomer() { const relatedCustomer0 = await Customers.findOne({ offset: Math.floor(Math.random() * (await Customers.count())), }); const Order0 = await Orders.findOne({ order: [['id', 'ASC']], offset: 0, }); if (Order0?.setCustomer) { await Order0.setCustomer(relatedCustomer0); } const relatedCustomer1 = await Customers.findOne({ offset: Math.floor(Math.random() * (await Customers.count())), }); const Order1 = await Orders.findOne({ order: [['id', 'ASC']], offset: 1, }); if (Order1?.setCustomer) { await Order1.setCustomer(relatedCustomer1); } const relatedCustomer2 = await Customers.findOne({ offset: Math.floor(Math.random() * (await Customers.count())), }); const Order2 = await Orders.findOne({ order: [['id', 'ASC']], offset: 2, }); if (Order2?.setCustomer) { await Order2.setCustomer(relatedCustomer2); } const relatedCustomer3 = await Customers.findOne({ offset: Math.floor(Math.random() * (await Customers.count())), }); const Order3 = await Orders.findOne({ order: [['id', 'ASC']], offset: 3, }); if (Order3?.setCustomer) { await Order3.setCustomer(relatedCustomer3); } } // Similar logic for "relation_many" async function associatePaymentWithOrder() { const relatedOrder0 = await Orders.findOne({ offset: Math.floor(Math.random() * (await Orders.count())), }); const Payment0 = await Payments.findOne({ order: [['id', 'ASC']], offset: 0, }); if (Payment0?.setOrder) { await Payment0.setOrder(relatedOrder0); } const relatedOrder1 = await Orders.findOne({ offset: Math.floor(Math.random() * (await Orders.count())), }); const Payment1 = await Payments.findOne({ order: [['id', 'ASC']], offset: 1, }); if (Payment1?.setOrder) { await Payment1.setOrder(relatedOrder1); } const relatedOrder2 = await Orders.findOne({ offset: Math.floor(Math.random() * (await Orders.count())), }); const Payment2 = await Payments.findOne({ order: [['id', 'ASC']], offset: 2, }); if (Payment2?.setOrder) { await Payment2.setOrder(relatedOrder2); } const relatedOrder3 = await Orders.findOne({ offset: Math.floor(Math.random() * (await Orders.count())), }); const Payment3 = await Payments.findOne({ order: [['id', 'ASC']], offset: 3, }); if (Payment3?.setOrder) { await Payment3.setOrder(relatedOrder3); } } module.exports = { up: async (queryInterface, Sequelize) => { await Categories.bulkCreate(CategoriesData); await CoffeeBlends.bulkCreate(CoffeeBlendsData); await Customers.bulkCreate(CustomersData); await Orders.bulkCreate(OrdersData); await Payments.bulkCreate(PaymentsData); await Reports.bulkCreate(ReportsData); await Promise.all([ // Similar logic for "relation_many" await associateCoffeeBlendWithCategory(), // Similar logic for "relation_many" await associateOrderWithCustomer(), // Similar logic for "relation_many" await associatePaymentWithOrder(), ]); }, down: async (queryInterface, Sequelize) => { await queryInterface.bulkDelete('categories', null, {}); await queryInterface.bulkDelete('coffee_blends', null, {}); await queryInterface.bulkDelete('customers', null, {}); await queryInterface.bulkDelete('orders', null, {}); await queryInterface.bulkDelete('payments', null, {}); await queryInterface.bulkDelete('reports', null, {}); }, };