final version

.gitignore

@@ -30,6 +30,7 @@ migrate_working_dir/
 .pub-cache/
 .pub/
 /build/
+/linux
 
 # Symbolication related
 app.*.symbols

devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

lib/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:flutter_lints/flutter.yaml

lib/data/data_sources/theme_storage.dart

@@ -0,0 +1,17 @@
+import 'package:shared_preferences/shared_preferences.dart';
+import '../../domain/models/custom_theme_mode.dart';
+
+class ThemeStorage {
+  final SharedPreferences prefs;
+
+  ThemeStorage({required this.prefs});
+
+  CustomThemeMode loadTheme() {
+    var themeIndex = prefs.getInt('themeMode') ?? 0;
+    return CustomThemeModeExtension.fromIndex(themeIndex);
+  }
+
+  void saveTheme(CustomThemeMode themeMode) {
+    prefs.setInt('themeMode', themeMode.index);
+  }
+}

lib/data/mocks/image_mock_data.dart

@@ -0,0 +1,4 @@
+import '../../domain/models/image_model.dart';
+import '../models/image_model.dart';
+
+final List<ImageModel> mockImageList = imgList; 

lib/data/models/image_model.dart

@@ -0,0 +1,65 @@
+import '../../domain/models/image_model.dart';
+
+final List<ImageModel> imgList = [
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath: 'assets/images/Default_madoka_magica_art_0.jpg'),
+  ImageModel(
+      dateOfCreate: '02.05.2023',
+      imagePath: 'assets/images/Default_madoka_magica_art_1.jpg'),
+  ImageModel(
+      dateOfCreate: '03.06.2023',
+      imagePath: 'assets/images/Default_madoka_magica_art_2.jpg'),
+  ImageModel(
+      dateOfCreate: '05.06.2023',
+      imagePath: 'assets/images/Default_madoka_magica_art_3.jpg'),
+  ImageModel(
+      dateOfCreate: '09.06.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_0.jpg'),
+  ImageModel(
+      dateOfCreate: '02.07.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_1.jpg'),
+  ImageModel(
+      dateOfCreate: '03.07.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_2.jpg'),
+  ImageModel(
+      dateOfCreate: '01.08.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_3.jpg'),
+  ImageModel(
+      dateOfCreate: '01.08.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_0.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_1.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_2.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_3.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_in_spa_0.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_in_spa_1.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_in_spa_2.jpg'),
+  ImageModel(
+      dateOfCreate: '01.03.2023',
+      imagePath:
+          'assets/images/Default_madoka_magica_from_anime_Madoka_Magica_with_bow_in_spa_3.jpg'),
+];
+

lib/devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

lib/domain/controllers/photo_controller.dart

@@ -0,0 +1,81 @@
+import 'package:flutter/material.dart';
+import 'dart:io';
+import 'package:image_picker/image_picker.dart';
+import '../../presentation/pages/error_page.dart';
+import '../models/image_model.dart';
+
+class PhotoController with ChangeNotifier {
+  List<ImageModel> photos = [];
+  bool isLoading = false;
+  String? errorMessage;
+
+  PhotoController() {
+    _loadInitialPhotos();
+  }
+
+  Future<void> _loadInitialPhotos() async {
+    photos = ImageModel.getAllImages();
+    notifyListeners();
+  }
+
+  Future<void> pickImage(BuildContext context, ImageSource source) async {
+    final ImagePicker picker = ImagePicker();
+    final XFile? image = await picker.pickImage(source: source);
+    if (image != null) {
+      // Проверяем, существует ли файл, перед тем как пытаться его сохранить
+      if (await _fileExists(context, File(image.path))) {
+        await saveImageLocally(context, File(image.path));
+      }
+    } else {
+      setError(context, 'Изображение не было выбрано.');
+    }
+  }
+
+  Future<bool> _fileExists(BuildContext context, File file) async {
+    try {
+      if (!await file.exists()) {
+        throw Exception('Asset not found');
+      }
+      return true;
+    } catch (e) {
+      setError(context, 'Ошибка при загрузке изображения: ${e.toString()}');
+      return false;
+    }
+  }
+
+  Future<void> saveImageLocally(BuildContext context, File image) async {
+    setLoading(true);
+    try {
+      final fileName = '${DateTime.now().millisecondsSinceEpoch}.jpg';
+      final savedImage = await image.copy('assets/images/$fileName');
+
+      final newImage = ImageModel(
+        dateOfCreate: DateTime.now().toIso8601String(),
+        imagePath: savedImage.path,
+      );
+      photos.add(newImage);
+      ImageModel.addImage(newImage);
+      notifyListeners();
+    } catch (e) {
+      setError(context, 'Ошибка при сохранении изображения: ${e.toString()}');
+    }
+    setLoading(false);
+  }
+
+  void setLoading(bool value) {
+    isLoading = value;
+    notifyListeners();
+  }
+
+  void setError(BuildContext context, String? message) {
+    errorMessage = message;
+    notifyListeners();
+    Navigator.of(context).push(
+      MaterialPageRoute(
+        builder: (context) => ErrorPage(
+          errorMessage: message ?? 'Произошла ошибка. Попробуйте еще раз.',
+        ),
+      ),
+    );
+  }
+}

lib/domain/controllers/theme_controller.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import '../repositories/theme_repository.dart';
+import '../models/custom_theme_mode.dart';
+
+class ThemeController extends ChangeNotifier {
+  final ThemeRepository themeRepository;
+  late CustomThemeMode _currentThemeMode;
+
+  ThemeController({required this.themeRepository}) {
+    _currentThemeMode = themeRepository.loadTheme();
+  }
+
+  CustomThemeMode get themeMode => _currentThemeMode;
+
+  void setThemeMode(CustomThemeMode themeMode) {
+    _currentThemeMode = themeMode;
+    themeRepository.saveTheme(themeMode);
+    notifyListeners();
+  }
+}

lib/domain/models/custom_theme_mode.dart

@@ -0,0 +1,26 @@
+enum CustomThemeMode {
+  light,
+  dark,
+}
+
+extension CustomThemeModeExtension on CustomThemeMode {
+  int get index {
+    switch (this) {
+      case CustomThemeMode.light:
+        return 0;
+      case CustomThemeMode.dark:
+        return 1;
+    }
+  }
+
+  static CustomThemeMode fromIndex(int index) {
+    switch (index) {
+      case 0:
+        return CustomThemeMode.light;
+      case 1:
+        return CustomThemeMode.dark;
+      default:
+        return CustomThemeMode.light;
+    }
+  }
+}

lib/domain/models/image_model.dart

@@ -0,0 +1,18 @@
+import '../../data/models/image_model.dart';
+
+class ImageModel {
+  final String dateOfCreate;
+  final String imagePath;
+
+  ImageModel({required this.dateOfCreate, required this.imagePath});
+
+  static final List<ImageModel> _images = imgList;
+
+  static List<ImageModel> getAllImages() {
+    return _images;
+  }
+
+  static void addImage(ImageModel image) {
+    _images.add(image);
+  }
+}

lib/domain/repositories/theme_repository.dart

@@ -0,0 +1,12 @@
+import '../models/custom_theme_mode.dart';
+import '../../data/data_sources/theme_storage.dart';
+
+class ThemeRepository {
+  final ThemeStorage themeStorage;
+
+  ThemeRepository({required this.themeStorage});
+
+  CustomThemeMode loadTheme() => themeStorage.loadTheme();
+
+  void saveTheme(CustomThemeMode themeMode) => themeStorage.saveTheme(themeMode);
+}

lib/feature/theme/data/theme_repository.dart

@@ -0,0 +1,22 @@
+import 'package:change_theme/storage/theme/theme_storage.dart';
+import 'package:flutter/material.dart';
+
+class ThemeRepository {
+  final ThemeStorage _themeStorage;
+
+  ThemeRepository({
+    required ThemeStorage themeStorage,
+  }) : _themeStorage = themeStorage;
+
+  Future<void> setThemeMode(
+    ThemeMode newThemeMode,
+  ) async {
+    await _themeStorage.saveThemeMode(
+      mode: newThemeMode,
+    );
+  }
+
+  ThemeMode? getThemeMode() {
+    return _themeStorage.getThemeMode();
+  }
+}

lib/feature/theme/di/theme_inherited.dart

@@ -0,0 +1,27 @@
+import 'package:change_theme/feature/theme/domain/theme_controller.dart';
+import 'package:flutter/material.dart';
+
+class ThemeInherited extends InheritedWidget {
+  const ThemeInherited({
+    super.key,
+    required this.themeController,
+    required super.child,
+  });
+
+  final ThemeController themeController;
+
+  static ThemeController? maybeOf(BuildContext context) {
+    return context
+        .dependOnInheritedWidgetOfExactType<ThemeInherited>()
+        ?.themeController;
+  }
+
+  static ThemeController of(BuildContext context) {
+    final ThemeController? result = maybeOf(context);
+    assert(result != null, 'No MyThemeInherited found in context');
+    return result!;
+  }
+
+  @override
+  bool updateShouldNotify(ThemeInherited oldWidget) => false;
+}

lib/feature/theme/domain/theme_controller.dart

@@ -0,0 +1,30 @@
+import 'package:change_theme/feature/theme/data/theme_repository.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+class ThemeController {
+  final ThemeRepository _themeRepository;
+
+  ThemeController({
+    required ThemeRepository themeRepository,
+  }) : _themeRepository = themeRepository;
+
+  late final ValueNotifier<ThemeMode> _themeMode = ValueNotifier<ThemeMode>(
+    _themeRepository.getThemeMode() ?? ThemeMode.system,
+  );
+
+  ValueListenable<ThemeMode> get themeMode => _themeMode;
+
+  Future<void> setThemeMode(ThemeMode newThemeMode) async {
+    if (newThemeMode == _themeMode.value) return;
+    await _themeRepository.setThemeMode(newThemeMode);
+    _themeMode.value = newThemeMode;
+  }
+
+  Future<void> switchThemeMode() async {
+    final newThemeMode =
+        _themeMode.value != ThemeMode.light ? ThemeMode.light : ThemeMode.dark;
+    await _themeRepository.setThemeMode(newThemeMode);
+    _themeMode.value = newThemeMode;
+  }
+}

lib/feature/theme/ui/theme_builder.dart

@@ -0,0 +1,37 @@
+import 'package:change_theme/feature/theme/di/theme_inherited.dart';
+import 'package:flutter/material.dart';
+
+typedef ThemeWidgetBuilder = Widget Function(
+  BuildContext context,
+  ThemeMode themeMode,
+);
+
+class ThemeBuilder extends StatefulWidget {
+  const ThemeBuilder({
+    required this.builder,
+    super.key,
+  });
+
+  final ThemeWidgetBuilder builder;
+
+  @override
+  State<ThemeBuilder> createState() => _ThemeBuilderState();
+}
+
+class _ThemeBuilderState extends State<ThemeBuilder> {
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder<ThemeMode>(
+      valueListenable: ThemeInherited.of(context).themeMode,
+      builder: (
+        builderContext,
+        themeMode,
+        _,
+      ) =>
+          widget.builder(
+        builderContext,
+        themeMode,
+      ),
+    );
+  }
+}