tm_app/lib/view_models/home_view_model.dart

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 '../data/repositories/home_repository.dart';
import '../data/services/model/home/home_response/home_response_model.dart';

class HomeViewModel with ChangeNotifier {
  final HomeRepository _homeRepository;

  HomeViewModel({required HomeRepository homeRepository})
    : _homeRepository = homeRepository {
    getHome(homeRequestModel: HomeRequestModel(id: '1'));
    getHomeRecommandTenders();
  }

  bool _isLoading = false;
  String? _errorMessage;
  HomeResponseModel? _homeResponse;

  bool get isLoading => _isLoading;
  String? get errorMessage => _errorMessage;
  HomeResponseModel? get homeResponse => _homeResponse;

  RecommendedTendersResponse? _recommendedTendersResponse;
  RecommendedTendersResponse? get recommendedTendersResponse =>
      _recommendedTendersResponse;

  Future<void> getHome({HomeRequestModel? homeRequestModel}) async {
    _isLoading = true;
    _errorMessage = null;
    notifyListeners();

    final result = await _homeRepository.getHome(
      homeRequestModel: homeRequestModel,
    );

    switch (result) {
      case Ok<HomeResponseModel>():
        _homeResponse = result.value;
        break;
      case Error<HomeResponseModel>():
        _errorMessage = result.error.toString();
        break;
    }

    _isLoading = false;
    notifyListeners();
  }

  Future<void> getHomeRecommandTenders() async {
    _isLoading = true;
    _errorMessage = null;
    notifyListeners();

    final result = await _homeRepository.getHomeRecommendedTenders();

    switch (result) {
      case Ok<RecommendedTendersResponse>():
        _recommendedTendersResponse = result.value;
        break;
      case Error<RecommendedTendersResponse>():
        _errorMessage = result.error.toString();
        break;
    }

    _isLoading = false;
    notifyListeners();
  }
}