added feedback

lib/views/tenders/widgets/main_tenders_slider.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
+import 'package:provider/provider.dart';
 import 'package:tm_app/core/theme/colors.dart';
 import 'package:tm_app/data/services/model/tender_data/tender_data.dart';
+import 'package:tm_app/view_models/tenders_view_model.dart';
 
 import '../../../core/constants/assets.dart';
 import '../../../core/utils/size_config.dart';
@@ -26,29 +28,45 @@ class _MainTendersSliderState extends State<MainTendersSlider> {
   int currentPage = 1;
 
   void _goToPreviousPage() {
+    if (currentPage == 1) {
+      return;
+    }
+
     pageController.previousPage(
       duration: Duration(milliseconds: 300),
       curve: Curves.easeInOutCubic,
     );
     setState(() {
-      if (currentPage == 1) {
-        return;
-      }
       currentPage = currentPage - 1;
     });
+
+    // Fetch feedback for the previous tender if not already loaded
+    final viewModel = context.read<TendersViewModel>();
+    final previousTenderId = widget.tenders[currentPage - 2].id!;
+    if (!viewModel.hasFeedbackForTender(previousTenderId)) {
+      viewModel.getTenderFeedback(previousTenderId);
+    }
   }
 
   void _goToNextPage() {
+    if (currentPage == widget.tenders.length) {
+      return;
+    }
+
     pageController.nextPage(
       duration: Duration(milliseconds: 300),
       curve: Curves.easeInOutCubic,
     );
     setState(() {
-      if (currentPage == widget.tenders.length) {
-        return;
-      }
       currentPage = currentPage + 1;
     });
+
+    // Fetch feedback for the next tender if not already loaded
+    final viewModel = context.read<TendersViewModel>();
+    final nextTenderId = widget.tenders[currentPage].id!;
+    if (!viewModel.hasFeedbackForTender(nextTenderId)) {
+      viewModel.getTenderFeedback(nextTenderId);
+    }
   }
 
   @override
@@ -76,6 +94,11 @@ class _MainTendersSliderState extends State<MainTendersSlider> {
           setState(() {
             currentPage = index + 1;
           });
+          // Fetch feedback for the new tender if not already loaded
+          final viewModel = context.read<TendersViewModel>();
+          if (!viewModel.hasFeedbackForTender(widget.tenders[index].id!)) {
+            viewModel.getTenderFeedback(widget.tenders[index].id!);
+          }
         },
         itemBuilder: (context, index) {
           final tender = widget.tenders[index];