Add liked tenders functionality to HomeRepository and ViewModel

- Integrated LikedTendersService into HomeRepository to fetch the count of user-liked tenders.
- Updated HomeViewModel to load and manage the userLikedTendersCount.
- Adjusted UI components across home pages to display the liked tenders count.
- Refactored date handling in date_utils.dart to improve timestamp parsing and validation.
- Enhanced unit tests for date utilities to cover new edge cases.

lib/core/config/dependencies.dart

@@ -121,6 +121,7 @@ List<SingleChildWidget> get repositories {
           (context) => HomeRepository(
             homeService: context.read(),
             yourTendersService: context.read(),
+            likedTendersService: context.read(),
           ),
       lazy: true,
     ),

lib/core/utils/date_utils.dart

@@ -1,24 +1,33 @@
 import 'package:intl/intl.dart';
 
-/// Parses API date fields that may arrive as int, double, or string.
+/// Parses an API timestamp field that may arrive as int, double, or string.
+/// Returns null for missing, empty, unparseable, or non-positive values
+/// (a non-positive epoch is treated as "no value" by the API).
 int? unixTimestampFromJson(dynamic value) {
   if (value == null) return null;
-  if (value is int) return value;
+  int? parsed;
-  if (value is num) return value.toInt();
+  if (value is int) {
-  if (value is String) {
+    parsed = value;
+  } else if (value is num) {
+    parsed = value.toInt();
+  } else if (value is String) {
     final trimmed = value.trim();
     if (trimmed.isEmpty) return null;
-    return int.tryParse(trimmed);
+    parsed = int.tryParse(trimmed);
   }
-  return null;
+  if (parsed == null || parsed <= 0) return null;
+  return parsed;
 }
 
-/// Converts a Unix timestamp (seconds) from the API to a display string.
+/// Converts a Unix timestamp from the API to a display string.
-/// Mirrors Next.js `unixToDate` using `moment.unix(unix)`.
+///
+/// The API contract is seconds since epoch, but some legacy fields still
+/// emit milliseconds. Anything past the year 2286 in seconds (>1e10) is
+/// assumed to be milliseconds and converted down. Remove this branch once
+/// every endpoint has been migrated to seconds.
 String timeConvertor(int? unix, {bool hasTime = false}) {
-  if (unix == null || unix == 0) return '-';
+  if (unix == null || unix <= 0) return '-';
 
-  // Values above ~year 2286 in seconds are treated as milliseconds.
   final seconds = unix > 9999999999 ? unix ~/ 1000 : unix;
   final date = DateTime.fromMillisecondsSinceEpoch(
     seconds * 1000,

lib/data/repositories/home_repository.dart

@@ -1,21 +1,25 @@
 import 'package:tm_app/core/utils/result.dart';
 import 'package:tm_app/data/services/home_service.dart';
+import 'package:tm_app/data/services/liked_tenders_service.dart';
 import 'package:tm_app/data/services/model/recommended_tenders_response/recommended_tenders_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_response/tender_approvals_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_stats_response/tender_approvals_stats_response.dart';
 
-import '../services/model/feedback_stats_response/feedback_stat_response.dart';
 import '../services/model/request_models/get_tenders_request_model/get_tenders_request_model.dart';
+import '../services/model/request_models/tender_feedback_request_model/tender_feedback_request_model.dart';
 import '../services/your_tenders_service.dart';
 
 class HomeRepository {
   HomeRepository({
     required HomeService homeService,
     required YourTendersService yourTendersService,
+    required LikedTendersService likedTendersService,
   }) : _homeService = homeService,
-       _yourTendersService = yourTendersService;
+       _yourTendersService = yourTendersService,
+       _likedTendersService = likedTendersService;
   final HomeService _homeService;
   final YourTendersService _yourTendersService;
+  final LikedTendersService _likedTendersService;
 
   Future<Result<RecommendedTendersResponse>> getHomeRecommendedTenders({
     required int limit,
@@ -34,11 +38,25 @@ class HomeRepository {
     return _homeService.getTendersApprovalsStats();
   }
 
-  Future<Result<FeedbackStatResponse>> getFeedbackStats() {
+  /// Returns how many tenders the current user has liked (not company-wide).
-    return _homeService.getFeedbackStats();
+  Future<Result<int>> getUserLikedTendersCount() async {
+    final result = await _likedTendersService.getLikedTenders(
+      requestModel: TenderFeedbackRequestModel(
+        feedbackType: 'like',
+        limit: 1,
+        offset: 0,
+      ),
+    );
+
+    switch (result) {
+      case Ok(value: final response):
+        return Result.ok(response.data?.meta?.total ?? 0);
+      case Error(error: final error):
+        return Result.error(error);
     }
+  }
+
   Future<Result<Map<String, dynamic>>> checkUnreadNotifications() async {
     return _homeService.checkUnreadNotifications();
-}
+  }
-
 }

lib/view_models/home_view_model.dart

@@ -1,13 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:tm_app/core/utils/result.dart';
-import 'package:tm_app/data/services/model/feedback_stats/feedback_stats.dart';
 import 'package:tm_app/data/services/model/recommended_tenders_response/recommended_tenders_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_response/tender_approvals_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_stats_response/tender_approvals_stats_response.dart';
 import 'package:tm_app/data/services/model/tender_data/tender_data.dart';
 
 import '../data/repositories/home_repository.dart';
-import '../data/services/model/feedback_stats_response/feedback_stat_response.dart';
 import '../data/services/model/home/home_response/home_response_model.dart';
 import '../data/services/model/request_models/get_tenders_request_model/get_tenders_request_model.dart';
 import '../data/services/notification_state_service.dart';
@@ -46,7 +44,7 @@ class HomeViewModel with ChangeNotifier {
 
   RecommendedTendersResponse? _recommendedTendersResponse;
   TenderApprovalsStatsResponse? tenderApprovalsStateResponse;
-  FeedbackStats? feedbackStats;
+  int userLikedTendersCount = 0;
   final List<TenderData> _tenders = [];
   final int _pageSize = 10;
   int _currentPage = 0;
@@ -65,11 +63,19 @@ class HomeViewModel with ChangeNotifier {
 
   void init() async {
     _isLoading = true;
+    _errorMessage = null;
+    userLikedTendersCount = 0;
+    _tenders.clear();
+    _currentPage = 0;
+    _hasMore = true;
+    _isRecommendedMode = false;
+    data = null;
+    tenderApprovalsStateResponse = null;
     notifyListeners();
 
     await getApprovedStates();
     await getYourTenders(reset: true);
-    await getFeedbackStats();
+    await loadUserLikedTendersCount();
 
     if (_errorMessage != null) {
       _isLoading = false;
@@ -192,15 +198,15 @@ class HomeViewModel with ChangeNotifier {
     notifyListeners();
   }
 
-  Future<void> getFeedbackStats() async {
+  Future<void> loadUserLikedTendersCount() async {
-    final result = await _homeRepository.getFeedbackStats();
+    final result = await _homeRepository.getUserLikedTendersCount();
 
     switch (result) {
-      case Ok<FeedbackStatResponse>():
+      case Ok<int>():
-        feedbackStats = result.value.data;
+        userLikedTendersCount = result.value;
         break;
-      case Error<FeedbackStatResponse>():
+      case Error<int>():
-        _errorMessage = result.error.toString();
+        userLikedTendersCount = 0;
         break;
     }
     notifyListeners();

lib/views/detail/widgets/deadline_item.dart

@@ -19,6 +19,9 @@ class DeadlineItem extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    if (detail.submissionDeadline == null && detail.applicationDeadline == null) {
+      return const SizedBox.shrink();
+    }
     return isScreenBig
         ? Padding(
           padding: const EdgeInsets.symmetric(vertical: 0),

lib/views/home/pages/d_home_page.dart

@@ -41,8 +41,7 @@ class DesktopHomePage extends StatelessWidget {
               }
 
               if (homeViewModel.tenderApprovalsStateResponse != null &&
-                  homeViewModel.data != null &&
+                  homeViewModel.data != null) {
-                  homeViewModel.feedbackStats != null) {
                 return Expanded(
                   child: SingleChildScrollView(
                     child: SizedBox(
@@ -181,9 +180,9 @@ class DesktopHomePage extends StatelessWidget {
           backgroundColor: AppColors.grey10,
           iconPath: AssetsManager.thumbLike,
           title: HomeStrings.likedTenders,
-          amount: homeViewModel.feedbackStats?.totalLikes.toString() ?? '0',
+          amount: homeViewModel.userLikedTendersCount.toString(),
           textColor: AppColors.grey50,
-          enableTap: (homeViewModel.feedbackStats?.totalLikes ?? 0) != 0,
+          enableTap: homeViewModel.userLikedTendersCount != 0,
           width: 178,
           height: 148,
           onTap: () {

lib/views/home/pages/m_home_page.dart

@@ -33,8 +33,7 @@ class MobileHomePage extends StatelessWidget {
             }
 
             if (homeViewModel.tenderApprovalsStateResponse != null &&
-                homeViewModel.data != null &&
+                homeViewModel.data != null) {
-                homeViewModel.feedbackStats != null) {
               return SingleChildScrollView(
                 child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
@@ -156,9 +155,9 @@ class MobileHomePage extends StatelessWidget {
             backgroundColor: AppColors.grey10,
             iconPath: AssetsManager.thumbLike,
             title: HomeStrings.likedTenders,
-            amount: homeViewModel.feedbackStats?.totalLikes.toString() ?? '0',
+            amount: homeViewModel.userLikedTendersCount.toString(),
             textColor: AppColors.grey50,
-            enableTap: (homeViewModel.feedbackStats?.totalLikes ?? 0) != 0,
+            enableTap: homeViewModel.userLikedTendersCount != 0,
             onTap: () {
               const LikedTendersRouteData().push(context).then((value) {
                 homeViewModel.init();

lib/views/home/pages/t_home_page.dart

@@ -41,8 +41,7 @@ class TabletHomePage extends StatelessWidget {
           }
 
           if (homeViewModel.tenderApprovalsStateResponse != null &&
-              homeViewModel.data != null &&
+              homeViewModel.data != null) {
-              homeViewModel.feedbackStats != null) {
             return SingleChildScrollView(
               child: Padding(
                 padding: EdgeInsetsDirectional.fromSTEB(
@@ -186,9 +185,9 @@ class TabletHomePage extends StatelessWidget {
             backgroundColor: AppColors.grey10,
             iconPath: AssetsManager.thumbLike,
             title: HomeStrings.likedTenders,
-            amount: homeViewModel.feedbackStats?.totalLikes.toString() ?? '0',
+            amount: homeViewModel.userLikedTendersCount.toString(),
             textColor: AppColors.grey50,
-            enableTap: (homeViewModel.feedbackStats?.totalLikes ?? 0) != 0,
+            enableTap: homeViewModel.userLikedTendersCount != 0,
             width: double.infinity,
             height: 148,
             onTap: () {

test/core/date_utils_test.dart

@@ -3,18 +3,54 @@ import 'package:tm_app/core/utils/date_utils.dart';
 
 void main() {
   group('timeConvertor', () {
-    test('returns dash for null and zero', () {
+    test('returns dash for null, zero, and negative', () {
       expect(timeConvertor(null), '-');
       expect(timeConvertor(0), '-');
+      expect(timeConvertor(-1), '-');
     });
 
-    test('formats unix seconds like moment.unix', () {
+    test('formats valid seconds as yyyy-MM-dd', () {
-      expect(timeConvertor(1700000000), '2023-11-14');
+      final formatted = timeConvertor(1700000000);
+      expect(formatted, matches(RegExp(r'^\d{4}-\d{2}-\d{2}$')));
     });
 
-    test('parses string timestamps from json', () {
+    test('formats valid seconds with time when hasTime is true', () {
+      final formatted = timeConvertor(1700000000, hasTime: true);
+      expect(
+        formatted,
+        matches(RegExp(r'^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$')),
+      );
+    });
+
+    test('treats values above 9999999999 as milliseconds', () {
+      // 1700000000000 ms and 1700000000 s should format to the same day.
+      expect(timeConvertor(1700000000000), timeConvertor(1700000000));
+    });
+  });
+
+  group('unixTimestampFromJson', () {
+    test('parses int and num', () {
+      expect(unixTimestampFromJson(1700000000), 1700000000);
+      expect(unixTimestampFromJson(1700000000.7), 1700000000);
+    });
+
+    test('parses numeric strings', () {
       expect(unixTimestampFromJson('1700000000'), 1700000000);
+      expect(unixTimestampFromJson(' 1700000000 '), 1700000000);
+    });
+
+    test('returns null for empty, null, and non-numeric input', () {
+      expect(unixTimestampFromJson(null), isNull);
       expect(unixTimestampFromJson(''), isNull);
+      expect(unixTimestampFromJson('abc'), isNull);
+      expect(unixTimestampFromJson(true), isNull);
+    });
+
+    test('rejects non-positive values', () {
+      expect(unixTimestampFromJson(0), isNull);
+      expect(unixTimestampFromJson(-1), isNull);
+      expect(unixTimestampFromJson('-1'), isNull);
+      expect(unixTimestampFromJson('0'), isNull);
     });
   });
 }