@wearesage/schema/examples/ecommerce/OrderItem.ts

A flexible schema definition and validation system for TypeScript with multi-database support

import "reflect-metadata";
import { Entity, Id, Property, ManyToOne } from "../..";
import { Order } from "./Order";
import { Product } from "./Product";

/**
 * Each OrderItem references exactly one Order (ManyToOne)
 * and one Product (ManyToOne).
 */
@Entity()
export class OrderItem {
  @Id()
  id: string;

  @Property({ required: true, default: 1 })
  quantity: number;

  @Property()
  unitPrice: number;

  @ManyToOne({
    target: () => Order,
    inverse: "items",
    name: "IN_ORDER",
  })
  order: Order;

  @ManyToOne({
    target: () => Product,
    inverse: "orderItems",
    name: "ORDER_ITEM_REFERENCES_PRODUCT",
  })
  product: Product;
}