Frontend first draft

frontend/pweb/lib/providers/wallets.dart

@@ -0,0 +1,126 @@
+import 'package:flutter/material.dart';
+
+import 'package:pweb/models/wallet.dart';
+import 'package:pweb/services/wallets.dart';
+
+
+class WalletsProvider with ChangeNotifier {
+  final WalletsService _service;
+
+  WalletsProvider(this._service);
+
+  List<Wallet>? _wallets;
+  bool _isLoading = false;
+  String? _error;
+  Wallet? _selectedWallet;
+  bool _isHidden = true;
+
+  List<Wallet>? get wallets => _wallets;
+  bool get isLoading => _isLoading;
+  String? get error => _error;
+  Wallet? get selectedWallet => _selectedWallet;
+  bool get isHidden => _isHidden;
+
+
+
+
+  void selectWallet(Wallet wallet) {
+    _selectedWallet = wallet;
+    notifyListeners();
+  }
+
+  Future<void> loadData() async {
+    _isLoading = true;
+    _error = null;
+    notifyListeners();
+
+    try {
+      _wallets = await _service.getWallets();
+    } catch (e) {
+      _error = e.toString();
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<Wallet?> getWalletById(String walletId) async {
+    _isLoading = true;
+    _error = null;
+    notifyListeners();
+
+    try {
+      final wallet = await _service.getWallet(walletId);
+      return wallet;
+    } catch (e) {
+      _error = e.toString();
+      return null;
+    } finally {
+      _isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  void updateName(String walletRef, String newName) {
+    final index = _wallets?.indexWhere((w) => w.id == walletRef);
+    if (index != null && index >= 0) {
+      _wallets![index] = _wallets![index].copyWith(name: newName);
+      notifyListeners();
+    }
+  }
+  
+
+  void updateBalance(String walletRef, double newBalance) {
+    final index = _wallets?.indexWhere((w) => w.id == walletRef);
+    if (index != null && index >= 0) {
+      _wallets![index] = _wallets![index].copyWith(balance: newBalance);
+      notifyListeners();
+    }
+  }
+
+  Future<void> updateWallet(Wallet wallet) async {
+    try {
+      await _service.updateWallet();
+      final index = _wallets?.indexWhere((w) => w.id == wallet.id);
+      if (index != null && index >= 0) {
+        _wallets![index] = wallet;
+        notifyListeners();
+      }
+    } catch (e) {
+      _error = e.toString();
+      notifyListeners();
+    }
+  }
+
+
+  Future<void> addWallet(Wallet wallet) async {
+    try {
+      final newWallet = await _service.createWallet(); // Pass the wallet parameter
+      _wallets = [...?_wallets, ]; // Add the new wallet
+      notifyListeners();
+    } catch (e) {
+      _error = e.toString();
+      notifyListeners();
+    }
+  }
+
+  Future<void> deleteWallet(String walletId) async {
+    try {
+      await _service.deleteWallet(); // Pass the walletId parameter
+      _wallets?.removeWhere((w) => w.id == walletId);
+      notifyListeners();
+    } catch (e) {
+      _error = e.toString();
+      notifyListeners();
+    }
+  }
+
+  void toggleVisibility(String walletId) {
+    final index = _wallets?.indexWhere((w) => w.id == walletId);
+    if (index != null && index >= 0) {
+      final wallet = _wallets![index];
+      _wallets![index] = wallet.copyWith(isHidden: !wallet.isHidden);
+      notifyListeners();
+    }
+  }
+}