fix: midtrans error total != qty * price

src/modules/configuration/midtrans/data/services/midtrans.service.ts

@@ -1,14 +1,14 @@
 import { Injectable } from '@nestjs/common';
 import { EventBus } from '@nestjs/cqrs';
 import { mappingMidtransTransaction } from '../../domain/usecases/helpers/mapping-transaction.helper';
-const midtransClient = require('midtrans-client');
+import { Snap } from 'midtrans-client';
 
 @Injectable()
 export class MidtransService {
   constructor(private eventBus: EventBus) {}
 
   get midtransInstance() {
-    return new midtransClient.Snap({
+    return new Snap({
       isProduction: false,
       serverKey: process.env.MIDTRANS_SERVER_KEY,
       clientKey: process.env.MIDTRANS_CLIENT_KEY,
@@ -19,6 +19,10 @@ export class MidtransService {
     return await this.midtransInstance.transaction.status(orderId);
   }
 
+  async cancelOrder(orderId: string): Promise<any> {
+    return await this.midtransInstance.transaction.cancel(orderId);
+  }
+
   async create(body): Promise<any> {
     const data = mappingMidtransTransaction(body);
     return await this.midtransInstance.createTransaction(data);

src/modules/configuration/midtrans/domain/usecases/helpers/mapping-transaction.helper.ts

@@ -2,7 +2,7 @@ export function mappingMidtransTransaction(transaction) {
   const item_details = transaction.items?.map((item) => {
     return {
       quantity: Number(item.qty),
-      price: Number(item.total_price),
+      price: Number(item.total_price) / Number(item.qty),
       name: item.item_name,
       category: item.item_category_name,
     };

src/modules/configuration/midtrans/infrastructure/midtrans.controller.ts

@@ -34,6 +34,17 @@ export class MidtransController {
     }
   }
 
+  @Get(':id/cancel')
+  async cancel(@Param('id') id: string) {
+    try {
+      const data = await this.dataService.cancelOrder(id);
+      return data;
+    } catch (error) {
+      console.log(error.message);
+      throw new Error('Gagal update status transaksi');
+    }
+  }
+
   @Post('callback')
   async callback(@Body() callback: MidtransDto) {
     const data = await this.dataService.getStatus(callback?.order_id);

src/modules/transaction/transaction/domain/usecases/managers/confirm-transaction.manager.ts

@@ -14,6 +14,7 @@ import { TransactionChangeStatusEvent } from '../../entities/event/transaction-c
 import { STATUS } from 'src/core/strings/constants/base.constants';
 import { generateInvoiceCodeHelper } from './helpers/generate-invoice-code.helper';
 import { TransactionPaymentType } from '../../../constants';
+import { apm } from 'src/core/apm';
 
 @Injectable()
 export class ConfirmTransactionManager extends BaseUpdateStatusManager<TransactionEntity> {
@@ -47,6 +48,7 @@ export class ConfirmTransactionManager extends BaseUpdateStatusManager<Transacti
           payment_midtrans_url: redirect_url,
         });
       } catch (error) {
+        apm.captureError(error);
         throw new UnprocessableEntityException({
           statusCode: HttpStatus.UNPROCESSABLE_ENTITY,
           message: `Gagal! transaksi telah terbuat, silahkan periksa email untuk melanjutkan pembayaran`,