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This commit is contained in:
amirrezaghabeli
@@ -1,85 +1,214 @@
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import 'package:flutter/material.dart';
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import 'package:tm_app/views/tenders/models/tender_model.dart';
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import 'package:tm_app/data/repositories/tenders_repository.dart';
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import 'package:tm_app/data/services/model/home/tender/tender_model.dart';
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import 'package:tm_app/data/services/model/tenders/tender_dislike_response/tender_dislike_response.dart';
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import 'package:tm_app/data/services/model/tenders/tender_like_response/tender_like_response.dart';
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import 'package:tm_app/data/services/model/tenders/tender_reject_response/tender_reject_response.dart';
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import 'package:tm_app/data/services/model/tenders/tender_submit_response/tender_submit_response.dart';
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import 'package:tm_app/data/services/model/tenders/tenders_request/tenders_request.dart';
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import 'package:tm_app/data/services/model/tenders/tenders_response/tenders_response.dart';
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import '../core/utils/result.dart';
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class TendersViewModel with ChangeNotifier {
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List<Tender> likedTenders = [];
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List<Tender> dislikedTenders = [];
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final TendersRepository _tendersRepository;
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TendersViewModel({required TendersRepository tendersRepository})
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: _tendersRepository = tendersRepository {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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getTenders();
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});
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}
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bool _isLoading = false;
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String? _errorMessage;
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TendersResponse? _tendersResponse;
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bool get isLoading => _isLoading;
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String? get errorMessage => _errorMessage;
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TendersResponse? get tendersResponse => _tendersResponse;
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int currentPage = 1;
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List<Tender> rejectedTenders = [];
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List<Tender> submittedTenders = [];
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void onDislike(Tender tender) {
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if (likedTenders.contains(tender)) {
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likedTenders.remove(tender);
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if (submittedTenders.contains(tender)) {
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submittedTenders.remove(tender);
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}
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Future<void> getTenders() async {
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_isLoading = true;
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_errorMessage = null;
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notifyListeners();
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final request = TendersRequest(id: 'JNDFKMDV-100JF');
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final result = await _tendersRepository.getTenders(
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tendersRequestModel: request,
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);
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switch (result) {
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case Ok<TendersResponse>():
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_tendersResponse = result.value;
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break;
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case Error<TendersResponse>():
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_errorMessage = result.error.toString();
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break;
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}
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_isLoading = false;
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notifyListeners();
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_errorMessage = null;
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notifyListeners();
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}
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if (!dislikedTenders.contains(tender)) {
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dislikedTenders.add(tender);
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if (submittedTenders.contains(tender)) {
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submittedTenders.remove(tender);
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}
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/// Updates a tender's state in the list
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void _updateTenderState(
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String tenderId, {
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bool? liked,
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bool? disliked,
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bool? rejected,
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bool? submitted,
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}) {
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if (_tendersResponse?.tenders != null) {
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final updatedTenders =
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_tendersResponse!.tenders!.map((element) {
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if (element.tenderId == tenderId) {
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return element.copyWith(
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liked: liked,
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disliked: disliked,
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rejected: rejected,
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submitted: submitted,
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);
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}
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return element;
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}).toList();
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_tendersResponse = _tendersResponse!.copyWith(tenders: updatedTenders);
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}
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}
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/// Sets a tender as liked
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Future<void> markLiked(TenderModel tender) async {
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_updateTenderState(
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tender.tenderId!,
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liked: true,
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disliked: false,
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rejected: false,
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submitted: tender.submitted,
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);
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notifyListeners();
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final result = await _tendersRepository.likeTender();
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switch (result) {
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case Ok<TenderLikeResponse>():
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break;
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case Error<TenderLikeResponse>():
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break;
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}
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}
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/// Sets a tender as disliked
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Future<void> markDisliked(TenderModel tender) async {
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_updateTenderState(
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tender.tenderId!,
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disliked: true,
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liked: false,
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rejected: tender.rejected,
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submitted: false,
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);
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notifyListeners();
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final result = await _tendersRepository.dislikeTender();
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switch (result) {
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case Ok<TenderDislikeResponse>():
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break;
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case Error<TenderDislikeResponse>():
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break;
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}
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}
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/// Sets a tender as rejected
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Future<void> markRejected(TenderModel tender) async {
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_updateTenderState(
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tender.tenderId!,
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rejected: true,
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liked: false,
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disliked: tender.disliked,
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submitted: false,
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);
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notifyListeners();
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final result = await _tendersRepository.rejectTender();
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switch (result) {
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case Ok<TenderRejectResponse>():
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break;
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case Error<TenderRejectResponse>():
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break;
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}
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}
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/// Sets a tender as submitted
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Future<void> markSubmitted(TenderModel tender) async {
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_updateTenderState(
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tender.tenderId!,
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submitted: true,
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liked: tender.liked,
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disliked: false,
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rejected: false,
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);
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notifyListeners();
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final result = await _tendersRepository.submitTender();
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switch (result) {
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case Ok<TenderSubmitResponse>():
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break;
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case Error<TenderSubmitResponse>():
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break;
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}
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}
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/// Clears a specific state for a tender
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void clearTenderState(
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TenderModel tenderModel, {
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bool? isLiked,
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bool? isDisliked,
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bool? isRejected,
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bool? isSubmitted,
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}) {
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_updateTenderState(
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tenderModel.tenderId!,
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liked: isLiked ?? tenderModel.liked,
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disliked: isDisliked ?? tenderModel.disliked,
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rejected: isRejected ?? tenderModel.rejected,
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submitted: isSubmitted ?? tenderModel.submitted,
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);
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}
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/// Toggles like state for a tender
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void toggleLike(TenderModel tender) {
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if (tender.liked == true) {
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clearTenderState(tender, isLiked: false);
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} else {
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dislikedTenders.remove(tender);
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markLiked(tender);
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}
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notifyListeners();
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}
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void onLike(Tender tender) {
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if (dislikedTenders.contains(tender)) {
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dislikedTenders.remove(tender);
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if (rejectedTenders.contains(tender)) {
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rejectedTenders.remove(tender);
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}
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}
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if (!likedTenders.contains(tender)) {
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likedTenders.add(tender);
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if (rejectedTenders.contains(tender)) {
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rejectedTenders.remove(tender);
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}
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/// Toggles dislike state for a tender
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void toggleDislike(TenderModel tender) {
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if (tender.disliked == true) {
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clearTenderState(tender, isDisliked: false);
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} else {
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likedTenders.remove(tender);
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markDisliked(tender);
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}
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notifyListeners();
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}
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void onReject(Tender tender) {
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if (rejectedTenders.contains(tender)) {
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rejectedTenders.remove(tender);
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} else if (submittedTenders.contains(tender)) {
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submittedTenders.remove(tender);
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rejectedTenders.add(tender);
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if (likedTenders.contains(tender)) {
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likedTenders.remove(tender);
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}
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/// Toggles reject state for a tender
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void toggleReject(TenderModel tender) {
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if (tender.rejected == true) {
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clearTenderState(tender, isRejected: false);
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} else {
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rejectedTenders.add(tender);
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if (likedTenders.contains(tender)) {
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likedTenders.remove(tender);
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}
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markRejected(tender);
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}
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notifyListeners();
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}
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void onSubmit(Tender tender) {
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if (submittedTenders.contains(tender)) {
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submittedTenders.remove(tender);
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} else if (rejectedTenders.contains(tender)) {
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rejectedTenders.remove(tender);
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submittedTenders.add(tender);
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if (dislikedTenders.contains(tender)) {
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dislikedTenders.remove(tender);
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}
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/// Toggles submit state for a tender
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void toggleSubmit(TenderModel tender) {
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if (tender.submitted == true) {
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clearTenderState(tender, isSubmitted: false);
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} else {
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submittedTenders.add(tender);
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if (dislikedTenders.contains(tender)) {
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dislikedTenders.remove(tender);
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}
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markSubmitted(tender);
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}
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notifyListeners();
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}
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}
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