google-merchant-sync

A mountable Express router for Google Merchant Center product sync with OAuth2 support.

Installation

npm install ./google-merchant-sync

Usage

const express = require('express');
const createGoogleMerchantRouter = require('google-merchant-sync');

const app = express();
app.use(express.json());

// Make sure your authentication middleware runs before this!
app.use('/api/google-merchant', createGoogleMerchantRouter({
  getUserId: req => req.user && req.user.id, // Customize as needed
  // storage: { saveTokens, getTokens }, // Optionally override token storage
  // successRedirect: '/dashboard' // Optional redirect after OAuth
}));

app.listen(5000, () => console.log('Server running'));

Endpoints

• GET /auth/initiate - Start OAuth flow
• GET /auth/callback - Handle OAuth callback
• GET /status - Check if user is connected
• POST /sync - Sync products to Google Merchant

Token Storage

By default, tokens are stored in memory. For production, override with your own storage (e.g., database).

Environment Variables

• GOOGLE_CLIENT_ID
• GOOGLE_CLIENT_SECRET
• GOOGLE_REDIRECT_URI