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/home.js

@@ -21,21 +21,23 @@ router.get('/aggregates', verifyToken, async (req, res) => {
 
     const companyId = user.companyId.toString();
 
-    const [docsCount, acceptsCount, requestsCount] = await Promise.all([
-      BuyProduct.countDocuments({ companyId }),
-      Request.countDocuments({ 
-        $or: [
-          { senderCompanyId: companyId, status: 'accepted' },
-          { recipientCompanyId: companyId, status: 'accepted' }
-        ]
-      }),
-      Request.countDocuments({
-        $or: [
-          { senderCompanyId: companyId },
-          { recipientCompanyId: companyId }
-        ]
-      })
-    ]);
+    // Получить все BuyProduct для подсчета файлов и акцептов
+    const buyProducts = await BuyProduct.find({ companyId });
+
+    // Подсчет документов - сумма всех файлов во всех BuyProduct
+    const docsCount = buyProducts.reduce((total, product) => {
+      return total + (product.files ? product.files.length : 0);
+    }, 0);
+
+    // Подсчет акцептов - сумма всех acceptedBy во всех BuyProduct
+    const acceptsCount = buyProducts.reduce((total, product) => {
+      return total + (product.acceptedBy ? product.acceptedBy.length : 0);
+    }, 0);
+
+    // Подсчет исходящих запросов (только отправленные этой компанией)
+    const requestsCount = await Request.countDocuments({
+      senderCompanyId: companyId
+    });
 
     res.json({
       docsCount,