Refactor file handling in BuyProduct and Request models; implement file schema for better structure. Update routes to handle file uploads and downloads with improved error handling and logging. Adjust MongoDB connection management across scripts and routes for consistency.

server/routers/procurement/routes/messages.js

@@ -2,6 +2,8 @@ const express = require('express');
 const router = express.Router();
 const { verifyToken } = require('../middleware/auth');
 const Message = require('../models/Message');
+const mongoose = require('../../../utils/mongoose');
+const { ObjectId } = mongoose.Types;
 
 // Функция для логирования с проверкой DEV переменной
 const log = (message, data = '') => {
@@ -18,7 +20,6 @@ const log = (message, data = '') => {
 router.get('/threads', verifyToken, async (req, res) => {
   try {
     const companyId = req.companyId;
-    const { ObjectId } = require('mongoose').Types;
 
     log('[Messages] Fetching threads for companyId:', companyId, 'type:', typeof companyId);
 
@@ -146,7 +147,6 @@ router.post('/:threadId', verifyToken, async (req, res) => {
 
     // Найти recipientCompanyId по ObjectId если нужно
     let recipientObjectId = recipientCompanyId;
-    const { ObjectId } = require('mongoose').Types;
     try {
       if (typeof recipientCompanyId === 'string' && ObjectId.isValid(recipientCompanyId)) {
         recipientObjectId = new ObjectId(recipientCompanyId);
@@ -210,7 +210,6 @@ router.post('/admin/migrate-fix-recipients', async (req, res) => {
 
         // If recipientCompanyId is not set or wrong - fix it
         if (!message.recipientCompanyId || message.recipientCompanyId.toString() !== expectedRecipient) {
-          const { ObjectId } = require('mongoose').Types;
           let recipientObjectId = expectedRecipient;
           try {
             if (typeof expectedRecipient === 'string' && ObjectId.isValid(expectedRecipient)) {