97 lines
2.8 KiB
Dart
97 lines
2.8 KiB
Dart
import 'dart:async';
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import 'package:drift/drift.dart';
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import 'package:flutter/material.dart';
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import '../Entities/dialog_type_enum.dart';
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import '../Entities/drift_database.dart';
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import '../Pages/Dialog/dialog_action.dart';
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import '../Pages/Dialog/dialog_input_field.dart';
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import '../Pages/Dialog/dynamic_dialog.dart';
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import '../Repositories/account_repository.dart';
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/// Steuert die Interaktion mit den Accounts
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class AccountController {
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/// Gibt die aktuell gültige Instanz der Klasse zurück
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factory AccountController() => _instance;
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/// Erstellt eine neue Instanz dieser Klasse
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AccountController._internal() {
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_newAccountDialog = DynamicDialog(
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title: 'Neues Konto erstellen',
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icon: Icons.account_balance_wallet,
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inputFields: [
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const DialogInputField(id: 'name', label: 'Name', autoFocus: true),
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],
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actions: [
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DialogAction(label: 'Abbruch'),
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DialogAction(
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label: 'Speichern',
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isPrimary: true,
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onPressed: _saveNewAccount,
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),
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],
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);
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_errorNameEmptyDialog = DynamicDialog(
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title: 'Fehler!',
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icon: Icons.error,
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content: const Text('Der Name des Kontos darf nicht leer sein!'),
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dialogType: DialogTypeEnum.error,
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);
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_accountCreatedDialog = DynamicDialog(
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title: 'Account erstellt!',
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icon: Icons.check_circle,
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content: const Text('Das Konto wurde erfolgreich erstellt!'),
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dialogType: DialogTypeEnum.success,
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);
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}
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static final AccountController _instance = AccountController._internal();
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BuildContext? _buildContext;
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final AccountRepository _accountRepository = AccountRepository();
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DynamicDialog? _newAccountDialog;
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DynamicDialog? _errorNameEmptyDialog;
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DynamicDialog? _accountCreatedDialog;
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Account? _selected;
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/// Stellt das ausgewählte Konto dar, das angezeigt wird
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Future<Account?> get selected async => _selected ??= (await getAccounts())[0];
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set selected(final Account selected) {
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_selected = selected;
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}
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/// Gibt die gespeicherten Konten als Liste zurück
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Future<List<Account>> getAccounts() async {
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final List<Account> accounts = await _accountRepository.findBy(
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orderBy: 'nameAsc',
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);
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return accounts;
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}
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/// Startet den Prozess um ein neues Konto anzulegen
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void newAccountHandler(final BuildContext buildContext) {
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_buildContext = buildContext;
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unawaited(_newAccountDialog?.show(buildContext));
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}
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Future<void> _saveNewAccount(final Map<String, String> values) async {
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if (values['name'] == null || values['name']!.isEmpty) {
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if (_buildContext != null) {
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await _errorNameEmptyDialog?.show(_buildContext!);
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}
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} else {
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final account = AccountsCompanion(name: Value(values['name']!));
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await _accountRepository.add(account);
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await _accountCreatedDialog?.show(_buildContext!);
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}
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}
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}
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