Merge pull request 'Added Last Name display and made it editable' (#145) from SEND015 into main

Reviewed-on: #145

frontend/pweb/lib/providers/account_name.dart

@@ -7,50 +7,70 @@ import 'package:pweb/models/edit_state.dart';
 
 class AccountNameState extends ChangeNotifier {
   AccountNameState({
-    required this.initialName,
+    required this.initialFirstName,
+    required this.initialLastName,
     required this.errorMessage,
     required AccountProvider accountProvider,
   }) : _accountProvider = accountProvider {
-    _controller = TextEditingController(text: initialName);
+    _firstNameController = TextEditingController(text: initialFirstName);
+    _lastNameController = TextEditingController(text: initialLastName);
   }
 
   final AccountProvider _accountProvider;
-  final String initialName;
+  final String initialFirstName;
+  final String initialLastName;
   final String errorMessage;
 
-  late final TextEditingController _controller;
+  late final TextEditingController _firstNameController;
+  late final TextEditingController _lastNameController;
   EditState _editState = EditState.view;
   String _errorText = '';
   bool _disposed = false;
 
-  TextEditingController get controller => _controller;
+  TextEditingController get firstNameController => _firstNameController;
+  TextEditingController get lastNameController => _lastNameController;
   EditState get editState => _editState;
   String get errorText => _errorText;
   bool get isEditing => _editState != EditState.view;
   bool get isSaving => _editState == EditState.saving;
   bool get isBusy => _accountProvider.isLoading || isSaving;
-  String get currentName => _accountProvider.account?.name ?? initialName;
+  String get currentFirstName => _accountProvider.account?.name ?? initialFirstName;
+  String get currentLastName => _accountProvider.account?.lastName ?? initialLastName;
+  String get currentFullName {
+    final first = currentFirstName.trim();
+    final last = currentLastName.trim();
+    if (first.isEmpty && last.isEmpty) return '';
+    if (first.isEmpty) return last;
+    if (last.isEmpty) return first;
+    return '$first $last';
+  }
 
   void startEditing() => _setState(EditState.edit);
 
   void cancelEditing() {
-    _controller.text = currentName;
+    _firstNameController.text = currentFirstName;
+    _lastNameController.text = currentLastName;
     _setError('');
     _setState(EditState.view);
   }
 
-  void syncName(String latestName) {
+  void syncNames(String latestFirstName, String latestLastName) {
     if (isEditing) return;
-    if (_controller.text != latestName) {
-      _controller.text = latestName;
+    if (_firstNameController.text != latestFirstName) {
+      _firstNameController.text = latestFirstName;
+    }
+    if (_lastNameController.text != latestLastName) {
+      _lastNameController.text = latestLastName;
     }
   }
 
   Future<bool> save() async {
-    final newName = _controller.text.trim();
-    final current = currentName;
+    final newFirstName = _firstNameController.text.trim();
+    final newLastName = _lastNameController.text.trim();
+    final currentFirst = currentFirstName;
+    final currentLast = currentLastName;
 
-    if (newName.isEmpty || newName == current) {
+    if (newFirstName.isEmpty || (newFirstName == currentFirst && newLastName == currentLast)) {
       cancelEditing();
       return false;
     }
@@ -59,7 +79,7 @@ class AccountNameState extends ChangeNotifier {
     _setState(EditState.saving);
 
     try {
-      await _accountProvider.resetUsername(newName);
+      await _accountProvider.resetUsername(newFirstName, lastName: newLastName);
       _setState(EditState.view);
       return true;
     } catch (_) {
@@ -88,7 +108,8 @@ class AccountNameState extends ChangeNotifier {
   @override
   void dispose() {
     _disposed = true;
-    _controller.dispose();
+    _firstNameController.dispose();
+    _lastNameController.dispose();
     super.dispose();
   }
 }