add packing fee

src/modules/orders/dto/admin-create-order.dto.ts

@@ -53,6 +53,12 @@ export class AdminCreateOrderDto {
   @Min(0)
   discountAmount?: number;
 
+  @ApiPropertyOptional({ description: 'Packing fee amount', minimum: 0, default: 0 })
+  @IsOptional()
+  @IsNumber()
+  @Min(0)
+  packingFee?: number;
+
   @ApiPropertyOptional({ description: 'Order description or notes' })
   @IsOptional()
   @IsString()

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

@@ -80,6 +80,9 @@ export class Order extends BaseEntity {
   @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
   deliveryFee: number = 0;
 
+  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
+  packingFee: number = 0;
+
   @Property({ type: 'decimal', precision: 10, scale: 0 })
   total!: number;
 

src/modules/orders/providers/orders.service.ts

@@ -83,6 +83,7 @@ export class OrdersService {
         subTotal: cart.subTotal || 0,
         tax: cart.tax || 0,
         deliveryFee: cart.deliveryFee || 0,
+        packingFee: 0,
         total: cart.total || 0,
         totalItems: cart.totalItems || 0,
         description: cart.description,
@@ -169,13 +170,14 @@ export class OrdersService {
     const subTotal = orderItemsData.reduce((sum, item) => sum + item.unitPrice * item.quantity, 0);
     const itemsDiscount = orderItemsData.reduce((sum, item) => sum + item.discount * item.quantity, 0);
     const deliveryFee = delivery.deliveryFeeType === DeliveryFeeTypeEnum.FIXED ? Number(delivery.deliveryFee) : 0;
+    const packingFee = dto.packingFee ?? 0;
     const adminDiscount = dto.discountAmount ?? 0;
     const maxDiscount = subTotal - itemsDiscount;
     if (adminDiscount > maxDiscount) {
       throw new BadRequestException(OrderMessage.DISCOUNT_AMOUNT_EXCEEDS_ORDER_TOTAL);
     }
     const totalDiscount = itemsDiscount + adminDiscount;
-    const total = subTotal - totalDiscount + deliveryFee;
+    const total = subTotal - totalDiscount + deliveryFee + packingFee;
     const totalItems = orderItemsData.reduce((sum, item) => sum + item.quantity, 0);
 
     const order = await this.em.transactional(async em => {
@@ -193,6 +195,7 @@ export class OrdersService {
         subTotal,
         tax: 0,
         deliveryFee,
+        packingFee,
         total,
         totalItems,
         description: dto.description,