feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建

- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3 commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f - 并行目录 mobile-next/ 原样导入（含 LICENSE），不覆盖现网 mobile/ - 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1 - 实测 Android debug 与 release 构建均成功（见 docs/mobile-next-baseline-import.md） - 本提交可单独回退：git revert 1db1229（重写前） Co-authored-by: multica-agent <github@multica.ai>
2026-08-19 15:24:33 +08:00
parent fa8584a73f
commit 8046ec7483
767 changed files with 57658 additions and 0 deletions
@@ -0,0 +1,161 @@
+import 'dart:convert';
+
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+import 'package:openim_common/openim_common.dart';
+import 'package:talker_dio_logger/talker_dio_logger.dart';
+
+class ApiService {
+  static final _instance = ApiService._internal();
+
+  factory ApiService() {
+    return _instance;
+  }
+
+  final Dio dio = Dio();
+
+  ApiService._internal() {
+    final talkerDioLogger = TalkerDioLogger(
+      settings: const TalkerDioLoggerSettings(
+        printRequestHeaders: kDebugMode,
+        printRequestData: kDebugMode,
+        printResponseMessage: kDebugMode,
+        printResponseData: kDebugMode,
+        printResponseHeaders: false,
+      ),
+    );
+
+    dio.options
+      ..connectTimeout = const Duration(seconds: 30)
+      ..receiveTimeout = const Duration(seconds: 30);
+
+    dio.interceptors
+      ..add(talkerDioLogger)
+      ..add(
+        InterceptorsWrapper(
+          onRequest: (options, handler) {
+            return handler.next(options); //continue
+          },
+          onResponse: (response, handler) {
+            return handler.next(response); // continue
+          },
+          onError: (DioException e, handler) {
+            return handler.next(e); //continue
+          },
+        ),
+      );
+
+    dio.options.connectTimeout = const Duration(seconds: 30);
+    dio.options.receiveTimeout = const Duration(seconds: 30);
+  }
+
+  void setBaseUrl(String baseUrl) {
+    dio.options.baseUrl = baseUrl;
+  }
+
+  void setToken(String token) {
+    dio.options.headers['token'] = token;
+  }
+
+  Future get(String path, {Map<String, dynamic>? queryParams}) async {
+    try {
+      dio.options.headers['operationID'] = DateTime.now().millisecondsSinceEpoch.toString();
+
+      final response = await dio.get(path, queryParameters: queryParams);
+
+      if (response.statusCode == 200) {
+        final result = ApiResponse.fromJson(response.data as Map<String, dynamic>);
+
+        if (result.errCode == 0) {
+          return result.data;
+        } else {
+          return Future.error(result.errMsg);
+        }
+      }
+
+      return Future.error(response.data);
+    } on DioException catch (e) {
+      _handleError(e);
+      rethrow;
+    }
+  }
+
+  Future post(String path, {Map<String, dynamic>? data, String? token}) async {
+    try {
+      final operationID = DateTime.now().millisecondsSinceEpoch.toString();
+      dio.options.headers['operationID'] = operationID;
+
+      final response = await dio.post(path, data: data);
+
+      if (response.statusCode == 200) {
+        final result = ApiResponse.fromJson(response.data as Map<String, dynamic>);
+
+        if (result.errCode == 0) {
+          return result.data;
+        } else {
+          final exception = ApiException(code: result.errCode, message: result.errMsg, operationID: operationID);
+
+          return Future.error(exception);
+        }
+      }
+
+      return Future.error(response.data);
+    } on DioException catch (e) {
+      _handleError(e);
+      rethrow;
+    }
+  }
+
+  Future download(
+    String url, {
+    required String cachePath,
+    CancelToken? cancelToken,
+    Function(int count, int total)? onProgress,
+  }) {
+    return dio.download(
+      url,
+      cachePath,
+      cancelToken: cancelToken,
+      onReceiveProgress: onProgress,
+    );
+  }
+
+  void _handleError(DioException error) {
+    Logger.print('DioError: ${error.message}', isError: true);
+  }
+}
+
+class ApiResponse {
+  int errCode;
+  String errMsg;
+  String errDlt;
+  dynamic data;
+
+  ApiResponse.fromJson(Map<String, dynamic> map)
+      : errCode = map["errCode"] ?? -1,
+        errMsg = map["errMsg"] ?? '',
+        errDlt = map["errDlt"] ?? '',
+        data = map["data"];
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['errCode'] = errCode;
+    data['errMsg'] = errMsg;
+    data['errDlt'] = errDlt;
+    data['data'] = data;
+    return data;
+  }
+
+  @override
+  String toString() {
+    return jsonEncode(this);
+  }
+}
+
+class ApiException implements Exception {
+  final int code;
+  final String? message;
+  final String? operationID;
+
+  ApiException({required this.code, this.message, this.operationID});
+}