changed pagination in liked tenders tanlet and web

lib/view_models/liked_tenders_view_model.dart

@@ -17,67 +17,75 @@ class LikedTendersViewModel with ChangeNotifier {
   LikedTendersResponse? data;
 
   int _offset = 0;
-  final int _limit = 20;
+  final int _limit = 7;
 
-  Future<void> getLikedTenders({bool reset = false}) async {
-    if (!reset && (isLoadingMore || !hasMore)) {
-      return;
-    }
+  int currentPage = 1;
 
-    if (reset) {
-      _offset = 0;
-      hasMore = true;
-    }
+Future<void> getLikedTenders({bool reset = false}) async {
+  if (!reset && (isLoadingMore || !hasMore)) {
+    return;
+  }
 
+  if (reset) {
+    _offset = (currentPage - 1) * _limit;
+    hasMore = true;
+
+    data = null;
+    isLoading = true;
+    notifyListeners();
+  } else {
     if (_offset == 0) {
       isLoading = true;
     } else {
       isLoadingMore = true;
     }
-    errorMessage = null;
-    notifyListeners();
-
-    final result = await likedTendersRepository.getLikedTenders(
-      offset: _offset,
-      limit: _limit,
-    );
-
-    switch (result) {
-      case Ok<LikedTendersResponse>():
-        final incoming = result.value;
-        final incomingList = incoming.data?.feedback ?? [];
-
-        if (reset || data == null) {
-          data = incoming;
-        } else {
-          final existingList = data!.data!.feedback ?? [];
-          final combined = List<LikedTenderFeedback>.of(existingList)
-            ..addAll(incomingList);
-
-          final newMeta = incoming.data?.meta ?? data!.data!.meta;
-
-          data = data!.copyWith(
-            data: data!.data!.copyWith(feedback: combined, meta: newMeta),
-          );
-        }
-
-        // چون offset بر اساس limit حرکت می‌کنه
-        hasMore = incomingList.length == _limit;
-        _offset += _limit;
-
-        errorMessage = null;
-        break;
-
-      case Error<LikedTendersResponse>():
-        errorMessage = result.error.toString();
-        break;
-    }
-
-    isLoading = false;
-    isLoadingMore = false;
     notifyListeners();
   }
 
+  errorMessage = null;
+
+  final result = await likedTendersRepository.getLikedTenders(
+    offset: _offset,
+    limit: _limit,
+  );
+
+  switch (result) {
+    case Ok<LikedTendersResponse>():
+      final incoming = result.value;
+      final incomingList = incoming.data?.feedback ?? [];
+
+      if (reset) {
+        data = incoming;
+      } else {
+        final existingList = data?.data?.feedback ?? [];
+        final combined = List<LikedTenderFeedback>.of(existingList)
+          ..addAll(incomingList);
+
+        data = data?.copyWith(
+          data: data?.data?.copyWith(
+            feedback: combined,
+            meta: incoming.data?.meta ?? data!.data!.meta,
+          ),
+        );
+      }
+
+      hasMore = incomingList.length == _limit;
+      _offset += _limit;
+
+      errorMessage = null;
+      break;
+
+    case Error<LikedTendersResponse>():
+      errorMessage = result.error.toString();
+      break;
+  }
+
+  isLoading = false;
+  isLoadingMore = false;
+  notifyListeners();
+}
+
+
   Future<void> loadMoreIfNeeded() async {
     if (isLoadingMore || !hasMore) {
       return;
@@ -85,6 +93,13 @@ class LikedTendersViewModel with ChangeNotifier {
     await getLikedTenders(reset: false);
   }
 
+  Future<void> jumpToPage(int page) async {
+    currentPage = page;
+    _offset = (page - 1) * _limit;
+    hasMore = true;
+    await getLikedTenders(reset: true);
+  }
+
   void removeTenderById(String id) {
     final current = data;
     final list = current?.data?.feedback;
@@ -92,14 +107,16 @@ class LikedTendersViewModel with ChangeNotifier {
       return;
     }
 
-    final List<LikedTenderFeedback> updatedList = List<LikedTenderFeedback>.of(
-      list,
-    )..removeWhere((e) => e.id == id);
+    final updatedList = List<LikedTenderFeedback>.of(list)
+      ..removeWhere((e) => e.id == id);
 
     final updatedMeta = current.data?.meta?.copyWith(total: updatedList.length);
 
     data = current.copyWith(
-      data: current.data?.copyWith(feedback: updatedList, meta: updatedMeta),
+      data: current.data?.copyWith(
+        feedback: updatedList,
+        meta: updatedMeta,
+      ),
     );
 
     notifyListeners();