feat(integration): ✨ Add Google Sheets integration

apps/builder/pages/api/credentials/google-sheets/consent-url.ts

@@ -0,0 +1,22 @@
+import { oauth2Client } from 'libs/google-sheets'
+import { NextApiRequest, NextApiResponse } from 'next'
+
+export const googleSheetsScopes = [
+  'https://www.googleapis.com/auth/userinfo.email',
+  'https://www.googleapis.com/auth/spreadsheets',
+  'https://www.googleapis.com/auth/drive.readonly',
+]
+
+const handler = (req: NextApiRequest, res: NextApiResponse) => {
+  if (req.method === 'GET') {
+    const url = oauth2Client.generateAuthUrl({
+      access_type: 'offline',
+      scope: googleSheetsScopes,
+      prompt: 'consent',
+      state: Buffer.from(JSON.stringify(req.query)).toString('base64'),
+    })
+    return res.status(301).redirect(url)
+  }
+}
+
+export default handler