fix mongo

server/routers/procurement/routes/buy.js

@@ -1,11 +1,10 @@
 const express = require('express')
 const fs = require('fs')
-const path = require('path')
 const router = express.Router()
 const BuyDocument = require('../models/BuyDocument')
 
 // Create remote-assets/docs directory if it doesn't exist
-const docsDir = path.join(__dirname, '../../remote-assets/docs')
+const docsDir = 'server/remote-assets/docs'
 if (!fs.existsSync(docsDir)) {
   fs.mkdirSync(docsDir, { recursive: true })
 }
@@ -57,7 +56,7 @@ router.post('/docs', async (req, res) => {
     
     // Save file to disk
     const binaryData = Buffer.from(fileData, 'base64')
-    const filePath = path.join(docsDir, `${id}.${type}`)
+    const filePath = `${docsDir}/${id}.${type}`
     fs.writeFileSync(filePath, binaryData)
     console.log(`[BUY API] File saved to ${filePath}, size: ${binaryData.length} bytes`)
     
@@ -187,7 +186,7 @@ router.get('/docs/:id/file', async (req, res) => {
       return res.status(404).json({ error: 'Document not found' })
     }
     
-    const filePath = path.join(docsDir, `${id}.${doc.type}`)
+    const filePath = `${docsDir}/${id}.${doc.type}`
     if (!fs.existsSync(filePath)) {
       console.log('[BUY API] File not found on disk:', filePath)
       return res.status(404).json({ error: 'File not found on disk' })