create order as admn

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

@@ -8,6 +8,8 @@ import {
   Cascade,
   Enum,
   PrimaryKey,
+  BeforeCreate,
+  type EventArgs,
 } from '@mikro-orm/core';
 import { BaseEntity } from '../../../common/entities/base.entity';
 import { OrderStatusEnum } from '../interface/order.interface';
@@ -15,6 +17,7 @@ import { User } from '../../user/entities/user.entity';
 import { OrderItem } from './order-item.entity';
 import { Payment } from 'src/modules/payment/entities/payment.entity';
 import { ulid } from 'ulid';
+import { Admin } from 'src/modules/admin/entities/admin.entity';
 
 @Entity({ tableName: 'orders' })
 @Index({ properties: ['user', 'status'] })
@@ -38,11 +41,14 @@ export class Order extends BaseEntity {
   })
   items = new Collection<OrderItem>(this);
 
+  @ManyToOne(() => Admin, { nullable: true })
+  creator?: Admin
+
   // @Property({ nullable: true })
   // userAddress?: string | null;
 
-  @Property({ type: 'bigint', autoincrement: true })
-  orderNumber: number;
+  @Property({ type: 'int', nullable: true })
+  orderNumber?: number;
 
 
   @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
@@ -79,4 +85,23 @@ export class Order extends BaseEntity {
   @Enum(() => OrderStatusEnum)
   status!: OrderStatusEnum;
 
+  @BeforeCreate()
+  async generateOrderNumber(args: EventArgs<Order>) {
+    const em = args.em;
+    const order = args.entity;
+
+
+    const maxOrder = await em.findOne(
+      Order,
+      {},
+      {
+        orderBy: { orderNumber: 'DESC' },
+        fields: ['orderNumber'],
+      },
+    );
+
+    // Set the next order number (1 if no orders exist, otherwise max + 1)
+    order.orderNumber = maxOrder?.orderNumber ? maxOrder.orderNumber + 1 : 1;
+  }
+
 }