131 lines
3.1 KiB
Dart
131 lines
3.1 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:mobile_scanner/mobile_scanner.dart';
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import 'package:seshat/data/repositories/owner_repository.dart';
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import 'package:seshat/domain/models/book.dart';
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import 'package:seshat/domain/models/owner.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 AddViewModel extends ChangeNotifier {
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AddViewModel({required OwnerRepository ownerRepository})
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: _ownerRepository = ownerRepository {
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load = Command0(_load)..execute();
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}
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final OwnerRepository _ownerRepository;
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/*
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* ====================
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* =====[ OWNERS ]=====
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* ====================
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*/
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Owner? _currentOwner;
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Owner? get currentOwner => _currentOwner;
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set currentOwner(Owner? owner) {
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_currentOwner = owner;
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notifyListeners();
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}
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List<Owner> _owners = [];
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List<Owner>? get owners => _owners;
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Future<Result<Owner>> addOwner(
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String firstName,
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String lastName,
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String contact,
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) async {
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final result = await _ownerRepository.postOwner(
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firstName,
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lastName,
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contact,
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);
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switch (result) {
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case Ok():
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final secondResult = await _ownerRepository.getOwners();
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switch (secondResult) {
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case Ok():
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_owners = secondResult.value;
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_currentOwner = result.value;
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notifyListeners();
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return Result.ok(result.value);
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case Error():
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return Result.error(secondResult.error);
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}
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case Error():
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return Result.error(result.error);
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}
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}
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/*
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* ===================
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* =====[ PRICE ]=====
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* ===================
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*/
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bool _askPrice = true;
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bool get askPrice => _askPrice;
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set askPrice(bool newValue) {
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_askPrice = newValue;
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notifyListeners();
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}
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/*
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* =================================
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* =====[ BOOKS AND INSTANCES ]=====
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* =================================
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*/
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/// Sends an api request with a [bacorde], then gets the [Book] that was
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/// either created or retrieved. Sens the [Book] back wrapped in a [Result].
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Future<Result<Book>> scanBook(BarcodeCapture barcode) async {
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return Result.ok(
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Book(
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author: "Patrick K. Dewdney",
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ean: barcode.barcodes.first.rawValue!,
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id: 56,
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priceNew: "50 EUR",
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title: "Les chiens et la charrue",
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),
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);
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}
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/// Sends an api request with
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// Result<BookInstance> newBookInstance() {
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// };
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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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return await _loadOwners();
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}
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Future<Result<void>> _loadOwners() async {
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final result = await _ownerRepository.getOwners();
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switch (result) {
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case Ok():
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_owners = result.value;
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isLoaded = true;
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case Error():
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debugPrint("Oupsie daysie, ${result.error}");
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}
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notifyListeners();
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// _ownerRepository.liveOwners().listen((Owner owner) {
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// _owners.add(owner);
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// notifyListeners();
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// });
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return result;
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}
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}
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