94 lines
2.1 KiB
Dart
94 lines
2.1 KiB
Dart
import 'package:flutter/widgets.dart';
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import 'package:mobile_scanner/mobile_scanner.dart';
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import 'package:seshat/data/repositories/bal_repository.dart';
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import 'package:seshat/domain/models/bal.dart';
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import 'package:seshat/domain/models/book_instance.dart';
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import 'package:seshat/utils/command.dart';
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import 'package:seshat/utils/result.dart';
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class SellViewModel extends ChangeNotifier {
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SellViewModel({required BalRepository balRepository})
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: _balRepository = balRepository {
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load = Command0(_load)..execute();
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}
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final BalRepository _balRepository;
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bool _showScan = false;
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bool get showScan => _showScan;
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set showScan(bool newValue) {
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_showScan = newValue;
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notifyListeners();
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}
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/*
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* ===============================
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* =====[ BOOKS & INSTANCES ]=====
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* ===============================
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*/
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final List<BookInstance> _scannedBooks = [];
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get scannedBooks => _scannedBooks;
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void scanBook(BarcodeCapture barcode) {
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final addedBook = BookInstance(
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balId: 5,
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bookId: 5,
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id: _scannedBooks.length,
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ownerId: 5,
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price: 5,
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available: true,
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);
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_scannedBooks.add(addedBook);
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notifyListeners();
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}
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void sendSell() {
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_scannedBooks.clear();
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notifyListeners();
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}
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void deleteBook(int id) {
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_scannedBooks.removeWhere((book) => book.id == id);
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notifyListeners();
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}
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/*
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* =================
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* =====[ BAL ]=====
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* =================
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*/
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Bal? _currentBal;
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get currentBal => _currentBal;
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/*
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* =================================
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* =====[ COMMAND AND LOADING ]=====
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* =================================
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*/
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late final Command0 load;
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bool isLoaded = false;
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Future<Result<void>> _load() async {
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final result2 = await _loadBal();
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isLoaded = true;
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notifyListeners();
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return result2;
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}
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Future<Result<void>> _loadBal() async {
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final result = await _balRepository.getBals();
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switch (result) {
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case Ok():
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_currentBal = result.value
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.where((bal) => bal.state == BalState.ongoing)
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.firstOrNull;
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break;
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case Error():
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break;
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}
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return result;
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}
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}
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