110 lines
3.4 KiB
Dart
110 lines
3.4 KiB
Dart
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../Repositories/transaction.dart';
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import '../../model/data_output.dart';
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import '../../model/transaction_model.dart';
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abstract class FetchTransactionsState {}
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class FetchTransactionsInitial extends FetchTransactionsState {}
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class FetchTransactionsInProgress extends FetchTransactionsState {}
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class FetchTransactionsSuccess extends FetchTransactionsState {
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final bool isLoadingMore;
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final bool loadingMoreError;
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final List<TransactionModel> transactionmodel;
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final int offset;
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final int total;
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FetchTransactionsSuccess({
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required this.isLoadingMore,
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required this.loadingMoreError,
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required this.transactionmodel,
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required this.offset,
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required this.total,
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});
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FetchTransactionsSuccess copyWith({
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bool? isLoadingMore,
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bool? loadingMoreError,
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List<TransactionModel>? transactionmodel,
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int? offset,
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int? total,
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}) {
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return FetchTransactionsSuccess(
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isLoadingMore: isLoadingMore ?? this.isLoadingMore,
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loadingMoreError: loadingMoreError ?? this.loadingMoreError,
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transactionmodel: transactionmodel ?? this.transactionmodel,
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offset: offset ?? this.offset,
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total: total ?? this.total,
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);
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}
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}
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class FetchTransactionsFailure extends FetchTransactionsState {
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final dynamic errorMessage;
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FetchTransactionsFailure(this.errorMessage);
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}
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class FetchTransactionsCubit extends Cubit<FetchTransactionsState> {
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FetchTransactionsCubit() : super(FetchTransactionsInitial());
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final TransactionRepository _transactionRepository = TransactionRepository();
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Future<void> fetchTransactions() async {
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try {
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emit(FetchTransactionsInProgress());
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DataOutput<TransactionModel> result =
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await _transactionRepository.fetchTransactions();
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emit(FetchTransactionsSuccess(
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isLoadingMore: false,
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loadingMoreError: false,
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transactionmodel: result.modelList,
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offset: 0,
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total: result.total));
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} catch (e) {
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if (!isClosed) {
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emit(FetchTransactionsFailure(e));
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}
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}
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}
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Future<void> fetchTransactionsMore() async {
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try {
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if (state is FetchTransactionsSuccess) {
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if ((state as FetchTransactionsSuccess).isLoadingMore) {
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return;
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}
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emit((state as FetchTransactionsSuccess).copyWith(isLoadingMore: true));
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DataOutput<TransactionModel> result =
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await _transactionRepository.fetchTransactions(
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// offset: (state as FetchTransactionsSuccess).offset.LIST.length,
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);
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FetchTransactionsSuccess transactionmodelState =
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(state as FetchTransactionsSuccess);
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transactionmodelState.transactionmodel.addAll(result.modelList);
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emit(FetchTransactionsSuccess(
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isLoadingMore: false,
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loadingMoreError: false,
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transactionmodel: transactionmodelState.transactionmodel,
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offset: 0, //(state as FetchTransactionsSuccess).offset.LIST.length,
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total: result.total));
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}
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} catch (e) {
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emit((state as FetchTransactionsSuccess)
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.copyWith(isLoadingMore: false, loadingMoreError: true));
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}
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}
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bool hasMoreData() {
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if (state is FetchTransactionsSuccess) {
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// return (state as FetchTransactionsSuccess).offset.LIST.length <
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// (state as FetchTransactionsSuccess).total;
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}
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return false;
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}
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}
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