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Added pagination to recommand in home

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This commit is contained in:
llsajjad
2025-08-18 15:30:22 +03:30
parent d9d5502e79
commit 95e7b516b3
6 changed files with 127 additions and 37 deletions
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lib/view_models/home_view_model.dart
+37 -8
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@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
import 'package:tm_app/core/utils/result.dart';
import 'package:tm_app/data/services/model/home/home_request/home_request_model.dart';
import 'package:tm_app/data/services/model/recommended_tenders_response/recommended_tenders_response.dart';
import 'package:tm_app/data/services/model/tender_data/tender_data.dart';
import '../data/repositories/home_repository.dart';
import '../data/services/model/home/home_response/home_response_model.dart';
@@ -10,9 +11,9 @@ class HomeViewModel with ChangeNotifier {
final HomeRepository _homeRepository;
HomeViewModel({required HomeRepository homeRepository})
: _homeRepository = homeRepository {
: _homeRepository = homeRepository {
getHome(homeRequestModel: HomeRequestModel(id: '1'));
getHomeRecommandTenders();
getHomeRecommandTenders(reset: true);
}
bool _isLoading = false;
@@ -24,8 +25,14 @@ class HomeViewModel with ChangeNotifier {
HomeResponseModel? get homeResponse => _homeResponse;
RecommendedTendersResponse? _recommendedTendersResponse;
RecommendedTendersResponse? get recommendedTendersResponse =>
_recommendedTendersResponse;
final List<TenderData> _tenders = [];
final int _pageSize = 20;
int _currentPage = 0;
bool _isLoadingMore = false;
bool _hasMore = true;
List<TenderData> get tenders => _tenders;
bool get isLoadingMore => _isLoadingMore;
bool get hasMore => _hasMore;
Future<void> getHome({HomeRequestModel? homeRequestModel}) async {
_isLoading = true;
@@ -49,23 +56,45 @@ class HomeViewModel with ChangeNotifier {
notifyListeners();
}
Future<void> getHomeRecommandTenders() async {
_isLoading = true;
Future<void> getHomeRecommandTenders({bool reset = false}) async {
if (_isLoadingMore || (!_hasMore && !reset)) {
return;
}
if (reset) {
_currentPage = 0;
_hasMore = true;
_tenders.clear();
}
_isLoadingMore = true;
_errorMessage = null;
notifyListeners();
final result = await _homeRepository.getHomeRecommendedTenders();
final result = await _homeRepository.getHomeRecommendedTenders(
limit: _pageSize,
offset: _currentPage * _pageSize,
);
switch (result) {
case Ok<RecommendedTendersResponse>():
_recommendedTendersResponse = result.value;
if (_recommendedTendersResponse?.data?.tenders.isNotEmpty ?? false) {
_tenders.addAll(
_recommendedTendersResponse!.data!.tenders.whereType<TenderData>(),
);
_currentPage++;
} else {
_hasMore = false;
}
break;
case Error<RecommendedTendersResponse>():
_errorMessage = result.error.toString();
break;
}
_isLoading = false;
_isLoadingMore = false;
notifyListeners();
}
}