Приложение на флаторе, настройки

client-mobile/lib/core/network/api_client.dart

@@ -0,0 +1,135 @@
+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;
+  }
+}