first commit

app/modules/bank-transfer/services/bank-transfer.service.js

@@ -0,0 +1,56 @@
+const midtransCore = require('../../../core/midtrans.service');
+const paymentLogger = require('../../../helpers/payment_logger.helper');
+const db = require('../../../../models/migration');
+
+class BankTransferService {
+    async createTransaction(payload, bank) {
+        let { order_id, external_id, amount, customer_details } = payload;
+
+        if (!amount) {
+            let order = null;
+            if (order_id) order = await db.Order.findByPk(order_id);
+            if (!order && external_id) order = await db.Order.findOne({ where: { orderID: external_id } });
+
+            if (!order) throw new Error("Amount wajib diisi atau order_id/external_id tidak valid");
+            amount = order.total;
+            payload.amount = amount;
+        }
+
+        const parameter = {
+            payment_type: "bank_transfer",
+            transaction_details: {
+                order_id: external_id,
+                gross_amount: amount
+            },
+            bank_transfer: {
+                bank: bank
+            },
+            customer_details: customer_details,
+            custom_expiry: {
+                expiry_duration: parseInt(process.env.MIDTRANS_EXPIRY_DURATION || 24),
+                unit: process.env.MIDTRANS_EXPIRY_UNIT || 'hour'
+            }
+        };
+
+        if (bank === 'mandiri') {
+            parameter.payment_type = "echannel";
+            parameter.echannel = {
+                bill_info1: "Payment For:",
+                bill_info2: "Invoice " + (external_id || order_id)
+            };
+            delete parameter.bank_transfer;
+        }
+
+        try {
+            const response = await midtransCore.getCoreApi().charge(parameter);
+
+            await paymentLogger.log(response, payload);
+
+            return response;
+        } catch (error) {
+            throw new Error(`Midtrans Error (${bank}): ${error.message}`);
+        }
+    }
+}
+
+module.exports = new BankTransferService();