add order item

src/modules/order/entities/order-item.entity.ts

@@ -26,9 +26,14 @@ export class OrderItem extends BaseEntity {
   @Property({ type: 'decimal', precision: 10, scale: 0 })
   unitPrice!: number;
 
+  @Property({ type: 'decimal', precision: 10, scale: 0 })
+  subTotal!: number;
+
+  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
+  discount: number = 0;
 
   @Property({ type: 'decimal', precision: 10, scale: 0 })
-  totalPrice!: number;
+  total!: number;
 
   @Property({ nullable: true })
   description?: string;