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Приложение на флаторе, настройки

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Халимов Рустам
2026-05-13 17:21:37 +03:00
parent 89e325556c
commit e8161d23d4
119 changed files with 18469 additions and 0 deletions
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client-mobile/lib/core/constants/app_constants.dart
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class AppConstants {
AppConstants._();
// API
static const String apiBaseUrl = 'https://api.messenger.app';
static const int apiTimeout = 30;
// Storage
static const String sharedPrefsName = 'messenger_prefs';
static const String tokenKey = 'auth_token';
static const String refreshTokenKey = 'refresh_token';
static const String userIdKey = 'user_id';
// Pagination
static const int pageSize = 20;
static const int defaultPageSize = 50;
// Chat
static const int maxMessageLength = 4096;
static const int typingIndicatorTimeout = 3000;
// Media
static const int maxImageSize = 10 * 1024 * 1024; // 10MB
static const int maxVideoSize = 100 * 1024 * 1024; // 100MB
}
client-mobile/lib/core/constants/storage_keys.dart
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class StorageKeys {
StorageKeys._();
static const String apiUrl = 'api_url';
static const String languageCode = 'language_code';
static const String serverConfig = 'server_config';
static const String authToken = 'auth_token';
static const String refreshToken = 'refresh_token';
}
client-mobile/lib/core/errors/errors.dart
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import 'package:freezed_annotation/freezed_annotation.dart';
part 'errors.freezed.dart';
@freezed
class AppError with _$AppError {
const factory AppError.unknown({String? message}) = UnknownError;
const factory AppError.network({String? message}) = NetworkError;
const factory AppError.unauthorized({String? message}) = UnauthorizedError;
const factory AppError.forbidden({String? message}) = ForbiddenError;
const factory AppError.notFound({String? message}) = NotFoundError;
const factory AppError.server({int? statusCode, String? message}) = ServerError;
const factory AppError.database({String? message}) = DatabaseError;
const factory AppError.validation({Map<String, String>? fieldErrors}) = ValidationError;
}
client-mobile/lib/core/errors/errors.freezed.dart
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client-mobile/lib/core/errors/result.dart
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import 'errors.dart';
/// A generic class for handling success/failure results
class Result<T> {
final T? data;
final AppError? error;
const Result.success(this.data) : error = null;
const Result.failure(this.error) : data = null;
bool get isSuccess => error == null;
bool get isFailure => error != null;
R when<R>({
required R Function(T data) onSuccess,
required R Function(AppError error) onFailure,
}) {
if (isSuccess) {
return onSuccess(data as T);
}
return onFailure(error!);
}
T getOrThrow() {
if (isFailure) {
throw error!;
}
return data as T;
}
}
client-mobile/lib/core/network/api_client.dart
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import 'package:dio/dio.dart';
import '../errors/errors.dart';
import '../errors/result.dart';
class ApiClient {
final Dio _dio;
ApiClient(this._dio);
Future<Result<T>> get<T>(
String path, {
Map<String, dynamic>? queryParameters,
Options? options,
}) async {
try {
final response = await _dio.get<T>(
path,
queryParameters: queryParameters,
options: options,
);
return Result.success(response.data as T);
} on DioException catch (e) {
return Result.failure(_handleDioError(e));
} catch (e) {
return Result.failure(const AppError.unknown(message: 'Unknown error occurred'));
}
}
Future<Result<T>> post<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
}) async {
try {
final response = await _dio.post<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
);
return Result.success(response.data as T);
} on DioException catch (e) {
return Result.failure(_handleDioError(e));
} catch (e) {
return Result.failure(const AppError.unknown(message: 'Unknown error occurred'));
}
}
Future<Result<T>> put<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
}) async {
try {
final response = await _dio.put<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
);
return Result.success(response.data as T);
} on DioException catch (e) {
return Result.failure(_handleDioError(e));
} catch (e) {
return Result.failure(const AppError.unknown(message: 'Unknown error occurred'));
}
}
Future<Result<T>> delete<T>(
String path, {
dynamic data,
Map<String, dynamic>? queryParameters,
Options? options,
}) async {
try {
final response = await _dio.delete<T>(
path,
data: data,
queryParameters: queryParameters,
options: options,
);
return Result.success(response.data as T);
} on DioException catch (e) {
return Result.failure(_handleDioError(e));
} catch (e) {
return Result.failure(const AppError.unknown(message: 'Unknown error occurred'));
}
}
AppError _handleDioError(DioException error) {
switch (error.type) {
case DioExceptionType.connectionTimeout:
case DioExceptionType.sendTimeout:
case DioExceptionType.receiveTimeout:
return const AppError.network(message: 'Connection timeout');
case DioExceptionType.connectionError:
return const AppError.network(message: 'No internet connection');
case DioExceptionType.badResponse:
final statusCode = error.response?.statusCode;
switch (statusCode) {
case 401:
return const AppError.unauthorized();
case 403:
return const AppError.forbidden();
case 404:
return const AppError.notFound();
case 422:
return AppError.validation(fieldErrors: _extractValidationErrors(error.response?.data));
case int s when s >= 500:
return AppError.server(statusCode: statusCode, message: 'Server error');
default:
return AppError.server(statusCode: statusCode, message: 'Request failed');
}
case DioExceptionType.cancel:
return const AppError.unknown(message: 'Request cancelled');
default:
return const AppError.unknown();
}
}
Map<String, String>? _extractValidationErrors(dynamic data) {
if (data is Map<String, dynamic> && data.containsKey('errors')) {
final errors = data['errors'] as Map<String, dynamic>;
return errors.map((key, value) {
if (value is List && value.isNotEmpty) {
return MapEntry(key, value.first.toString());
}
return MapEntry(key, 'Invalid');
});
}
return null;
}
}
client-mobile/lib/core/theme/app_theme.dart
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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
class AppTheme {
AppTheme._();
static const _primaryColor = Color(0xFF2481CC);
static const _primaryContainerColor = Color(0xFFD3E4FD);
static const _secondaryColor = Color(0xFF5F6AC4);
static const _tertiaryColor = Color(0xFFFFD700);
static const _lightSurfaceColor = Color(0xFFFFFBFE);
static const _darkSurfaceColor = Color(0xFF1C1B1F);
static ThemeData get lightTheme {
return ThemeData(
useMaterial3: true,
brightness: Brightness.light,
colorScheme: const ColorScheme.light(
primary: _primaryColor,
primaryContainer: _primaryContainerColor,
secondary: _secondaryColor,
tertiary: _tertiaryColor,
surface: _lightSurfaceColor,
onPrimary: Colors.white,
onSecondary: Colors.white,
onSurface: Colors.black87,
error: Color(0xFFBA1A1A),
),
appBarTheme: const AppBarTheme(
centerTitle: true,
elevation: 0,
backgroundColor: _primaryColor,
foregroundColor: Colors.white,
systemOverlayStyle: SystemUiOverlayStyle.light,
),
bottomNavigationBarTheme: const BottomNavigationBarThemeData(
type: BottomNavigationBarType.fixed,
backgroundColor: Colors.white,
selectedItemColor: _primaryColor,
unselectedItemColor: Colors.grey,
elevation: 8,
),
cardTheme: CardThemeData(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: Colors.grey[100],
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
backgroundColor: _primaryColor,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
);
}
static ThemeData get darkTheme {
return ThemeData(
useMaterial3: true,
brightness: Brightness.dark,
colorScheme: const ColorScheme.dark(
primary: _primaryColor,
primaryContainer: _primaryContainerColor,
secondary: _secondaryColor,
tertiary: _tertiaryColor,
surface: _darkSurfaceColor,
onPrimary: Colors.white,
onSecondary: Colors.white,
onSurface: const Color(0xFFE6E1E5),
error: Color(0xFFFFB4AB),
),
appBarTheme: const AppBarTheme(
centerTitle: true,
elevation: 0,
backgroundColor: Color(0xFF1F1F1F),
foregroundColor: Colors.white,
systemOverlayStyle: SystemUiOverlayStyle.light,
),
bottomNavigationBarTheme: const BottomNavigationBarThemeData(
type: BottomNavigationBarType.fixed,
backgroundColor: Color(0xFF1F1F1F),
selectedItemColor: _primaryColor,
unselectedItemColor: Colors.grey,
elevation: 8,
),
cardTheme: CardThemeData(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: const Color(0xFF2D2D2D),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
backgroundColor: _primaryColor,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
);
}
}