last commit

.gitignore

@@ -16,6 +16,9 @@ migrate_working_dir/
 *.iws
 .idea/
 
+*.freezed.dart
+*.g.dart
+
 # The .vscode folder contains launch configuration and tasks you configure in
 # VS Code which you may wish to be included in version control, so this line
 # is commented out by default.

Makefile

@@ -0,0 +1,5 @@
+code_gen:
+	flutter pub run build_runner build --delete-conflicting-outputs
+
+avd:
+	./scripts/run_avd.sh

analysis_options.yaml

@@ -1,29 +1,47 @@
-# This file configures the analyzer, which statically analyzes Dart code to
-# check for errors, warnings, and lints.
-#
-# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
-# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
-# invoked from the command line by running `flutter analyze`.
+include: package:surf_lint_rules/analysis_options.yaml
 
-# The following line activates a set of recommended lints for Flutter apps,
-# packages, and plugins designed to encourage good coding practices.
-include: package:flutter_lints/flutter.yaml
+analyzer:
+  exclude:
+    - "ios/**"
+    - "android/**"
+    - "build/**"
+    - "script/**"
+    - "**/*.g.dart"
+    - "**/*.freezed.dart"
+  errors:
+    invalid_annotation_target: ignore
 
-linter:
-  # The lint rules applied to this project can be customized in the
-  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
-  # included above or to enable additional rules. A list of all available lints
-  # and their documentation is published at
-  # https://dart-lang.github.io/linter/lints/index.html.
-  #
-  # Instead of disabling a lint rule for the entire project in the
-  # section below, it can also be suppressed for a single line of code
-  # or a specific dart file by using the `// ignore: name_of_lint` and
-  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
-  # producing the lint.
+dart_code_metrics:
+  metrics:
+    cyclomatic-complexity: 20
+    maximum-nesting-level: 5
+    number-of-parameters: 4
+    source-lines-of-code: 50
+    number-of-methods: 10
+    weight-of-class: 0.33
+    maintainability-index: 50
+  anti-patterns:
+    - long-method
+    - long-parameter-list
+  metrics-exclude:
+    - test/**
   rules:
-    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
-    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+    - always-remove-listener
+    - avoid-unused-parameters
+    - avoid-unnecessary-setstate
+    - double-literal-format
+    - newline-before-return
+    - no-boolean-literal-compare
+    - prefer-conditional-expressions
+    - prefer-intl-name
+    - provide-correct-intl-args
+    - prefer-match-file-name:
+        exclude:
+          - lib/**
+          - test/**
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+linter:
+  rules:
+    public_member_api_docs: false
+    always_put_required_named_parameters_first: false
+    always_use_package_imports: true

android/build.gradle

@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

docs/RESULT.md

@@ -1,11 +1,16 @@
 # Целевая платформа
 
-[здесь вставьте платформу/платформы под которые вы разрабатывали, это поможет нам при проверке заданий]
+Android
 
 # Результаты
 
-[здесь можете похвастаться, что успели реализовать, или сделали что-то сверх задания]
+* Реализовать доменную модель
+* Применил подход описания ValueObject с помощью библиотеки dartz. Это позволяет писать код, который не позволяет забыть обработать ситуацию что-то пошло не так
+* Реализовал локальную базу данных
+* Подготовил код для загрузки файлов билетов с возможностью приостановки загрузки с помощью библиотеки dio
+* При решении части задач использовал chat-gpt
 
 # Ссылки на демонстрацию работы/скриншоты
 
-[здесь оставьте ссылки на скринкаст/скриншоты, можно в Github-репозитории или в отдельном облаке]
+Вид экрана списка билетов, когда что-то пошло не так
+![something-wrong.png](./presentation/something-wrong.png)

ios/Flutter/Debug.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

ios/Flutter/Release.xcconfig

@@ -1 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

ios/Podfile

@@ -0,0 +1,44 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '11.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_ios_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_ios_build_settings(target)
+  end
+end

lib/assets/strings/locale/ru.dart

@@ -0,0 +1,37 @@
+import 'package:surf_flutter_study_jam_2023/features/ticket_storage/domain/tickets/ticket/status/value_object.dart';
+import 'dart:math' as math;
+
+class AppStrings {
+  static const ticketStorage = _TicketStorageStrings();
+}
+
+class _TicketStorageStrings {
+  String get addButtonLabel => 'Добавить';
+  String get ticketsTitle => 'Хранение билетов';
+  String get enterUrlPlaceholder => 'Введите url';
+  String get emptyList => 'Здесь пока ничего нет';
+  String get unexpectedFailure => 'Что-то пошло не так';
+
+  const _TicketStorageStrings();
+
+  String statusTitle(TicketStatus status) {
+    return status.when(
+      initialized: () => 'Необходимо закончить редактирование',
+      readyToLoadFile: (_) => 'Ожидает начала загрузки',
+      loadingFile: (current, total) =>
+          'Загружается ${_formatBytes(current, 1)} из ${_formatBytes(total, 1)}',
+      fileLoaded: (_) => 'Файл загружен',
+      paused: (_) => 'Приостановлено',
+    );
+  }
+}
+
+String _formatBytes(int bytes, int decimals) {
+  if (bytes <= 0) return '0 B';
+  const suffixes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+
+  final i = (math.log(bytes) / math.log(1024)).floor();
+  final bytesAsString = (bytes / math.pow(1024, i)).toStringAsFixed(decimals);
+
+  return '$bytesAsString ${suffixes[i]}';
+}

lib/assets/text/text_extension.dart

@@ -0,0 +1,88 @@
+import 'package:flutter/material.dart';
+import 'package:surf_flutter_study_jam_2023/assets/text/text_style.dart';
+
+/// App text style scheme.
+class AppTextTheme extends ThemeExtension<AppTextTheme> {
+  /// Text style 14_140.
+  final TextStyle regular14;
+
+  /// Text style 16_124.
+  final TextStyle regular16;
+
+  /// Text style 14_140_500.
+  final TextStyle medium14;
+
+  /// Text style 16_124_500.
+  final TextStyle medium16;
+
+  /// Text style 14_140_700.
+  final TextStyle bold14;
+
+  /// Text style 16_124_700.
+  final TextStyle bold16;
+
+  AppTextTheme._({
+    required this.regular14,
+    required this.regular16,
+    required this.medium14,
+    required this.medium16,
+    required this.bold14,
+    required this.bold16,
+  });
+
+  /// Base app text theme.
+  AppTextTheme.base()
+      : regular14 = AppTextStyle.regular14.value,
+        regular16 = AppTextStyle.regular16.value,
+        medium14 = AppTextStyle.medium14.value,
+        medium16 = AppTextStyle.medium16.value,
+        bold14 = AppTextStyle.bold14.value,
+        bold16 = AppTextStyle.bold16.value;
+
+  @override
+  ThemeExtension<AppTextTheme> lerp(
+    ThemeExtension<AppTextTheme>? other,
+    double t,
+  ) {
+    if (other is! AppTextTheme) {
+      return this;
+    }
+
+    return copyWith(
+      regular14: TextStyle.lerp(regular14, other.regular14, t),
+      regular16: TextStyle.lerp(regular16, other.regular16, t),
+      medium14: TextStyle.lerp(medium14, other.medium14, t),
+      medium16: TextStyle.lerp(medium16, other.medium16, t),
+      bold14: TextStyle.lerp(bold14, other.bold14, t),
+      bold16: TextStyle.lerp(bold16, other.bold16, t),
+    );
+  }
+
+  @override
+  ThemeExtension<AppTextTheme> copyWith({
+    TextStyle? regular14,
+    TextStyle? regular16,
+    TextStyle? medium14,
+    TextStyle? medium16,
+    TextStyle? bold14,
+    TextStyle? bold16,
+  }) {
+    return AppTextTheme._(
+      regular14: regular14 ?? this.regular14,
+      regular16: regular16 ?? this.regular16,
+      medium14: medium14 ?? this.medium14,
+      medium16: medium16 ?? this.medium16,
+      bold14: bold14 ?? this.bold14,
+      bold16: bold16 ?? this.bold16,
+    );
+  }
+
+  /// Return text theme for app from context.
+  static AppTextTheme of(BuildContext context) {
+    return Theme.of(context).extension<AppTextTheme>() ??
+        _throwThemeExceptionFromFunc(context);
+  }
+}
+
+Never _throwThemeExceptionFromFunc(BuildContext context) =>
+    throw Exception('$AppTextTheme не найдена в $context');

lib/assets/text/text_style.dart

@@ -0,0 +1,19 @@
+//ignore_for_file: public_member_api_docs
+
+import 'package:flutter/material.dart';
+
+/// App text style.
+enum AppTextStyle {
+  regular14(TextStyle(fontSize: 14, height: 1.4)),
+  regular16(TextStyle(fontSize: 16, height: 1.24)),
+
+  medium14(TextStyle(fontSize: 14, height: 1.4, fontWeight: FontWeight.w500)),
+  medium16(TextStyle(fontSize: 16, height: 1.24, fontWeight: FontWeight.w500)),
+
+  bold14(TextStyle(fontSize: 14, height: 1.4, fontWeight: FontWeight.w700)),
+  bold16(TextStyle(fontSize: 16, height: 1.24, fontWeight: FontWeight.w700));
+
+  final TextStyle value;
+
+  const AppTextStyle(this.value);
+}

lib/assets/themes/theme_data.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:surf_flutter_study_jam_2023/assets/text/text_extension.dart';
+
+/// Class of the app themes data.
+abstract class AppThemeData {
+  /// Light theme configuration.
+  static final ThemeData lightTheme = ThemeData(
+    useMaterial3: true,
+    brightness: Brightness.light,
+    extensions: [_textTheme],
+  );
+
+  /// Dark theme configuration.
+  static final ThemeData darkTheme = ThemeData(
+    brightness: Brightness.dark,
+    extensions: [_textTheme],
+  );
+
+  static final _textTheme = AppTextTheme.base();
+}

lib/data/database.dart

@@ -0,0 +1,33 @@
+import 'dart:io';
+
+import 'package:drift/drift.dart';
+import 'package:drift/native.dart';
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+import 'package:surf_flutter_study_jam_2023/data/tickets_table.dart';
+
+part 'database.g.dart';
+
+@DriftDatabase(
+  tables: [
+    TicketsTable,
+  ],
+)
+class AppDb extends _$AppDb {
+  @override
+  int get schemaVersion => 1;
+
+  AppDb() : super(_openConnection());
+}
+
+LazyDatabase _openConnection() {
+  return LazyDatabase(() async {
+    final dbFolder = await getApplicationDocumentsDirectory();
+    final file = File(p.join(dbFolder.path, 'db.sqlite'));
+
+    return NativeDatabase.createInBackground(
+      file,
+      logStatements: true,
+    );
+  });
+}