feat(payment): switch to midtrans

tfkhdyt · Oct 4, 2023 · 1a48297 · 1a48297
1 parent c9916e9
commit 1a48297
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Showing 8 changed files with 70 additions and 47 deletions.
diff --git a/bun.lockb b/bun.lockb
diff --git a/package.json b/package.json
@@ -28,6 +28,7 @@
     "dotenv": "^16.3.1",
     "drizzle-orm": "^0.28.6",
     "fastify": "^4.23.2",
+    "midtrans-node-client": "^0.0.6",
     "telegraf": "^4.14.0",
     "xendit-node": "^3.2.0"
   },

diff --git a/src/config/config.ts b/src/config/config.ts
@@ -8,6 +8,8 @@ export default {
   databaseUrl: process.env.DATABASE_URL as string,
   databaseAuthToken: process.env.DATABASE_AUTH_TOKEN as string,
   xenditSecret: process.env.XENDIT_SECRET as string,
+  midtransServerKey: process.env.MIDTRANS_SERVER_KEY as string,
+  midtransClientKey: process.env.MIDTRANS_CLIENT_KEY as string,
   message: {
     start: `Selamat datang di bot *KBBI*
 

diff --git a/src/handlers/callback.handler.ts b/src/handlers/callback.handler.ts
@@ -10,18 +10,17 @@ export const callbackHandler = async (
 ) => {
   try {
     const { body } = req
-    if (body.status !== 'PAID') {
-      return reply.status(400).send('Status should be PAID')
+    if (body.transaction_status !== 'settlement') {
+      return reply.status(400).send('Status should be settlement')
     }
 
-    const userId = Number(body.external_id.split('_')[1])
-    const amount = body.items[0].quantity
-    const paymentChannel = body.payment_channel
+    const [amount, userId] = body.order_id.split('_')
+    const paymentChannel = body.payment_type
 
-    await increaseCredits(userId, amount)
+    await increaseCredits(Number(userId), Number(amount))
     await bot.telegram.sendMessage(
       userId,
-      `Topup sejumlah ${amount} saldo melalui ${paymentChannel} telah berhasil! Terima kasih telah menggunakan layanan kami`,
+      `Topup sejumlah ${amount} saldo melalui "${paymentChannel.toUpperCase()}" telah berhasil! Terima kasih telah menggunakan layanan kami`,
     )
 
     reply.status(200).send('Transaction success!')

diff --git a/src/handlers/invoice.handler.ts b/src/handlers/invoice.handler.ts
@@ -22,7 +22,7 @@ export const invoiceHandler = async (
     const price = calculatePrice(nominal).gross
     const formattedPrice = formatCurrency(price)
     const keyboard = Markup.inlineKeyboard([
-      Markup.button.webApp(`💵 Xendit Payment (${formattedPrice})`, invoiceUrl),
+      Markup.button.url(`💵 Midtrans Payment (${formattedPrice})`, invoiceUrl),
     ])
 
     await ctx.reply(

diff --git a/src/lib/midtrans.ts b/src/lib/midtrans.ts
@@ -0,0 +1,9 @@
+import { MidtransClient } from 'midtrans-node-client'
+
+import config from '../config/config.js'
+
+export const snap = new MidtransClient.Snap({
+  isProduction: config.nodeEnv === 'production',
+  serverKey: config.midtransServerKey,
+  clientKey: config.midtransClientKey,
+})
diff --git a/src/services/payment.service.ts b/src/services/payment.service.ts
@@ -1,8 +1,5 @@
-import crypto from 'crypto'
-import { CreateInvoiceRequest, Invoice } from 'xendit-node/invoice/models'
-
 import { User } from '../db/sqlite/schemas/user.schema.js'
-import { xenditClient } from '../lib/xendit.js'
+import { snap } from '../lib/midtrans.js'
 
 export const calculatePrice = (amount: number) => {
   const net = amount * 1000
@@ -13,36 +10,57 @@ export const calculatePrice = (amount: number) => {
 }
 
 export const createInvoice = async (amount: number, user: User) => {
-  const price = calculatePrice(amount)
-
-  const invoice: CreateInvoiceRequest = {
-    externalId: `TOPUP_${user.id}_${crypto.randomUUID()}`,
-    amount: price.gross,
-    currency: 'IDR',
-    customer: {
-      givenNames: user.firstName,
-      surname: user.lastName,
-    },
-    items: [
-      {
-        name: 'Saldo KBBI Bot',
-        quantity: amount,
-        price: 1000,
+  try {
+    const price = calculatePrice(amount)
+
+    // const authToken = Buffer.from(config.midtransServerKey + ':').toString(
+    //   'base64',
+    // )
+
+    const invoice = {
+      transaction_details: {
+        order_id: `${amount}_${user.id}_${crypto.randomUUID()}`,
+        gross_amount: price.gross,
       },
-    ],
-    fees: [
-      {
-        type: 'Biaya Admin',
-        value: price.adminFee,
+      item_details: [
+        {
+          name: 'Saldo KBBI Bot',
+          quantity: amount,
+          price: 1000,
+        },
+        {
+          name: 'Biaya Admin',
+          quantity: 1,
+          price: price.adminFee,
+        },
+      ],
+      customer_details: {
+        first_name: user.firstName,
+        last_name: user.lastName,
       },
-    ],
-  }
+    }
 
-  const response: Invoice = await xenditClient.createInvoice({
-    data: invoice,
-  })
+    const response = await snap.createTransaction(invoice)
+    // const response = await fetch(
+    //   'https://app.sandbox.midtrans.com/snap/v1/transactions',
+    //   {
+    //     headers: {
+    //       Accept: 'application/json',
+    //       Authorization: `Basic ${authToken}`,
+    //       'Content-Type': 'application/json',
+    //     },
+    //     method: 'POST',
+    //     body: JSON.stringify(invoice),
+    //   },
+    // )
+    // const data = await response.json()
+    // console.log({ data })
 
-  return response.invoiceUrl
+    return response.redirect_url as string
+  } catch (error) {
+    console.error(error)
+    throw error
+  }
 }
 
 const formatter = new Intl.NumberFormat('id-ID', {

diff --git a/src/types/paymentBody.ts b/src/types/paymentBody.ts
@@ -1,11 +1,5 @@
 export type PaymentBody = {
-  status: string
-  id: string
-  external_id: string
-  items: [
-    {
-      quantity: number
-    },
-  ]
-  payment_channel: string
+  transaction_status: string
+  order_id: string
+  payment_type: string
 }