138 lines
4.2 KiB
Dart
138 lines
4.2 KiB
Dart
import 'dart:io';
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import 'package:csv/csv.dart';
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import 'package:equatable/equatable.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:tunas/repositories/metadata/models/category.dart';
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import 'package:tunas/repositories/metadata/metadata_repository.dart';
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import 'package:tunas/repositories/metadata/models/account.dart';
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import 'package:tunas/repositories/transactions/models/transaction.dart';
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import 'package:tunas/repositories/transactions/transactions_repository.dart';
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import 'package:uuid/uuid.dart';
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part 'account_event.dart';
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part 'account_state.dart';
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final colors = [
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'FF74feff',
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'FF64c0ff',
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'FF5873fe',
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'FF4b4cff',
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'FFc0fcfd',
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'FFa7caff',
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'FF8d7efd',
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'FF7f65fe',
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'FFe7ffff',
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'FFd7dafd',
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'FFd8a6ff',
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'FFc065fe',
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'FFffffff',
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'FFffe6fe',
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'FFffbdff',
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'FFff80fe',
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];
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class AccountBloc extends Bloc<AccountEvent, AccountState> {
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final TransactionsRepository _transactionsRepository;
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final MetadataRepository _metadataRepository;
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AccountBloc({
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required MetadataRepository metadataRepository,
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required TransactionsRepository transactionsRepository,
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})
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: _metadataRepository = metadataRepository,
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_transactionsRepository = transactionsRepository,
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super(const AccountState()
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) {
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on<AccountImportCSV>(_onAccountImportCSV);
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on<AccountLoad>(_onAccountLoad);
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// on<AccountExportJSON>(_onAccountImportJSON);
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// on<AccountExportCSV>(_onAccountImportJSON);
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_metadataRepository
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.getAccountsStream()
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.listen((subAccounts) => add(AccountLoad(subAccounts)));
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}
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double _universalConvertToDouble(dynamic value) {
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if (value is String) {
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return double.parse(value);
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} else if (value is int) {
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return value.toDouble();
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} else if (value is double) {
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return value;
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} else {
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throw Error();
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}
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}
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_onAccountImportCSV(AccountImportCSV event, Emitter<AccountState> emit) async {
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int colorIndex = 0;
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FilePickerResult? result = await FilePicker.platform.pickFiles();
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final csvPath = result?.files.first.path;
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if (csvPath != null) {
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final File csv = File(csvPath);
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final String csvFileContent = await csv.readAsString();
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final List<List<dynamic>> csvList = const CsvToListConverter(fieldDelimiter: '|', eol: '\n').convert(csvFileContent);
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final Map<String, Category> categoriesMap = {};
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final Map<String, Account> accounts = {};
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final transactions = csvList
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.map((line) {
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double value = _universalConvertToDouble(line[4]);
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String? categoryLabel = line[1];
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if (categoryLabel == null || categoryLabel == '') {
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categoryLabel = 'N/A';
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}
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if (categoriesMap[categoryLabel] == null) {
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// if (categoryLabel == 'N/A') {
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// categoriesMap[categoryLabel] = Category(label: 'N/A', color: 'FFFF0000' );
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// } else {
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// String color = colorIndex >= colors.length ? 'FF0000FF' : colors[colorIndex];
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// colorIndex++;
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// categoriesMap[categoryLabel] = Category(label: categoryLabel, color: color );
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// }
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categoriesMap[categoryLabel] = Category(label: categoryLabel, color: value > 0 ? 'FF21E297' : 'FFFFB4AB' );
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}
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String accountLabel = line[3];
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if (accounts[accountLabel] == null) {
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accounts[accountLabel] = Account(label: accountLabel);
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}
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return Transaction(
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uuid: const Uuid().v8(),
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date: DateTime.parse(line[0]),
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category: categoryLabel,
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description: line[2],
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account: line[3],
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value: value
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);
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})
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.toList();
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await _metadataRepository.deleteMetadata();
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await _transactionsRepository.deleteTransactions();
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await _metadataRepository.saveAccounts(accounts.values.toList());
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await _metadataRepository.saveBudgets([]);
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await _metadataRepository.saveCategories(categoriesMap.values.toList());
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await _transactionsRepository.saveTransactions(transactions);
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}
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}
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_onAccountLoad(
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AccountLoad event, Emitter<AccountState> emit
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) {
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emit(
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state.copyWith(event.subAccounts)
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);
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}
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}
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