feat: #833 - dev mode

packages/smooth_app/lib/data_models/user_preferences.dart

@@ -23,6 +23,7 @@ class UserPreferences extends ChangeNotifier {
   static const String _TAG_LAST_VISITED_ONBOARDING_PAGE =
       'lastVisitedOnboardingPage';
   static const String _TAG_PREFIX_FLAG = 'FLAG_PREFIX_';
+  static const String _TAG_DEV_MODE = 'devMode';
 
   Future<void> init(final ProductPreferences productPreferences) async {
     if (_sharedPreferences.getBool(_TAG_INIT) != null) {
@@ -91,4 +92,9 @@ class UserPreferences extends ChangeNotifier {
 
   bool? getFlag(final String key) =>
       _sharedPreferences.getBool(_getFlagTag(key));
+
+  set devMode(final int value) =>
+      _sharedPreferences.setInt(_TAG_DEV_MODE, value);
+
+  int get devMode => _sharedPreferences.getInt(_TAG_DEV_MODE) ?? 0;
 }

packages/smooth_app/lib/pages/user_management/forgot_password_page.dart

@@ -1,7 +1,9 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:openfoodfacts/openfoodfacts.dart';
 import 'package:provider/provider.dart';
+import 'package:smooth_app/data_models/user_preferences.dart';
 import 'package:smooth_app/themes/theme_provider.dart';
 import 'package:smooth_ui_library/widgets/smooth_card.dart';
 import 'package:smooth_ui_library/widgets/smooth_text_form_field.dart';
@@ -14,6 +16,8 @@ class ForgotPasswordPage extends StatefulWidget {
 }
 
 class _ForgotPasswordPageState extends State<ForgotPasswordPage> {
+  int _devModeCounter = 0;
+
   static Color _textFieldBackgroundColor = const Color.fromARGB(
     255,
     240,
@@ -65,6 +69,7 @@ class _ForgotPasswordPageState extends State<ForgotPasswordPage> {
     final ThemeData theme = Theme.of(context);
     final ThemeProvider themeProvider = context.watch<ThemeProvider>();
     final AppLocalizations appLocalizations = AppLocalizations.of(context)!;
+    final UserPreferences userPreferences = context.watch<UserPreferences>();
     final Size size = MediaQuery.of(context).size;
 
     // Needs to be changed
@@ -136,6 +141,30 @@ class _ForgotPasswordPageState extends State<ForgotPasswordPage> {
                       ],
                       validator: (String? value) {
                         if (value == null || value.isEmpty) {
+                          _devModeCounter++;
+                          if (_devModeCounter >= 10) {
+                            if (userPreferences.devMode == 0) {
+                              showDialog<void>(
+                                context: context,
+                                builder: (BuildContext context) => AlertDialog(
+                                  title: const Text('Ready for the dev mode?'),
+                                  actions: <Widget>[
+                                    TextButton(
+                                      child: Text(appLocalizations.yes),
+                                      onPressed: () {
+                                        userPreferences.devMode = 1;
+                                        Navigator.pop(context);
+                                      },
+                                    ),
+                                    TextButton(
+                                      child: Text(appLocalizations.no),
+                                      onPressed: () => Navigator.pop(context),
+                                    )
+                                  ],
+                                ),
+                              );
+                            }
+                          }
                           return appLocalizations.enter_some_text;
                         }
                         return null;

packages/smooth_app/lib/pages/user_preferences_dev_mode.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:smooth_app/data_models/user_preferences.dart';
+import 'package:smooth_app/pages/abstract_user_preferences.dart';
+import 'package:smooth_app/pages/onboarding/onboarding_flow_navigator.dart';
+
+/// Collapsed/expanded display of "dev mode" for the preferences page.
+///
+/// The dev mode is triggered this way:
+/// * go to the "forgotten password" page
+/// * click 10 times on the action button (in French "Changer le mot de passe")
+/// * you'll see a dialog; obviously click "yes"
+/// * go to the preferences page
+/// * expand/collapse any item
+/// * then you'll see the dev mode in red
+class UserPreferencesDevMode extends AbstractUserPreferences {
+  UserPreferencesDevMode({
+    required final Function(Function()) setState,
+    required final BuildContext context,
+    required final UserPreferences userPreferences,
+    required final AppLocalizations appLocalizations,
+    required final ThemeData themeData,
+  }) : super(
+          setState: setState,
+          context: context,
+          userPreferences: userPreferences,
+          appLocalizations: appLocalizations,
+          themeData: themeData,
+        );
+
+  @override
+  bool isCollapsedByDefault() => true;
+
+  @override
+  String getPreferenceFlagKey() => 'devMode';
+
+  @override
+  Widget getTitle() => Container(
+        color: Colors.red,
+        child: Text(
+          'DEV MODE',
+          style: themeData.textTheme.headline2!.copyWith(color: Colors.white),
+        ),
+      );
+
+  @override
+  Widget? getSubtitle() => null;
+
+  @override
+  List<Widget> getBody() => <Widget>[
+        ListTile(
+          title: const Text('Remove dev mode'),
+          onTap: () async {
+            userPreferences.devMode = 0;
+            setState(() {});
+          },
+        ),
+        ListTile(
+          title: const Text('restart onboarding'),
+          subtitle: const Text('then you have to restart flutter'),
+          onTap: () async {
+            userPreferences
+                .setLastVisitedOnboardingPage(OnboardingPage.NOT_STARTED);
+            setState(() {});
+          },
+        ),
+      ];
+}

packages/smooth_app/lib/pages/user_preferences_page.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 import 'package:smooth_app/data_models/product_preferences.dart';
 import 'package:smooth_app/data_models/user_preferences.dart';
 import 'package:smooth_app/pages/abstract_user_preferences.dart';
+import 'package:smooth_app/pages/user_preferences_dev_mode.dart';
 import 'package:smooth_app/pages/user_preferences_food.dart';
 import 'package:smooth_app/pages/user_preferences_profile.dart';
 import 'package:smooth_app/pages/user_preferences_settings.dart';
@@ -52,6 +53,17 @@ class _UserPreferencesPageState extends State<UserPreferencesPage> {
         themeData: themeData,
       ),
     ];
+    if (userPreferences.devMode > 0) {
+      items.add(
+        UserPreferencesDevMode(
+          setState: setState,
+          context: context,
+          userPreferences: userPreferences,
+          appLocalizations: appLocalizations,
+          themeData: themeData,
+        ),
+      );
+    }
     final List<Widget> children = <Widget>[];
     for (final AbstractUserPreferences abstractUserPreferences in items) {
       children.addAll(abstractUserPreferences.getContent());