Initial commit: 风影 OA 全栈源码（API/Web/Flutter/IM）
含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。 排除 node_modules、构建产物、安装包与 .env 密钥。 Co-authored-by: Cursor <cursoragent@cursor.com>
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import 'dart:convert';
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import 'dart:typed_data';
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import 'package:http/http.dart' as http;
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import 'package:http_parser/http_parser.dart';
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import 'package:uuid/uuid.dart';
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import '../app_config.dart';
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import '../session/session.dart';
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class ApiException implements Exception {
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ApiException(this.message);
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final String message;
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@override
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String toString() => message;
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}
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class OaClient {
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OaClient(this.session);
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final SessionStore session;
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bool _refreshing = false;
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Uri _uri(String path, [Map<String, String>? query]) {
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final base = session.apiBase.replaceAll(RegExp(r'/$'), '');
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final p = path.startsWith('/') ? path : '/$path';
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return Uri.parse('$base$p').replace(queryParameters: query);
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}
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Map<String, String> _headers({bool auth = true}) {
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final h = <String, String>{
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'Content-Type': 'application/json',
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'X-Request-Id': const Uuid().v4(),
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};
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if (auth && session.accessToken.isNotEmpty) {
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h['Authorization'] = 'Bearer ${session.accessToken}';
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}
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return h;
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}
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Future<dynamic> get(String path, {Map<String, String>? query}) =>
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_send('GET', path, query: query);
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Future<dynamic> post(String path, [Map<String, dynamic>? body]) =>
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_send('POST', path, body: body);
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Future<dynamic> patch(String path, [Map<String, dynamic>? body]) =>
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_send('PATCH', path, body: body);
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final _fileCache = <String, Uint8List>{};
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Uint8List? peekFile(String id) => _fileCache[id];
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Future<Uint8List?> fileBytes(String id) async {
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if (id.isEmpty) return null;
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final hit = _fileCache[id];
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if (hit != null) return hit;
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final uri = _uri('/files/$id');
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final headers = <String, String>{
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'X-Request-Id': const Uuid().v4(),
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if (session.accessToken.isNotEmpty) 'Authorization': 'Bearer ${session.accessToken}',
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};
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try {
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var res = await http.get(uri, headers: headers).timeout(const Duration(seconds: 30));
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if (res.statusCode == 401 && session.refreshToken.isNotEmpty) {
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final ok = await _refresh();
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if (ok) {
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headers['Authorization'] = 'Bearer ${session.accessToken}';
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res = await http.get(uri, headers: headers).timeout(const Duration(seconds: 30));
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}
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}
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if (res.statusCode >= 400 || res.bodyBytes.isEmpty) return null;
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if (_fileCache.length > 80) _fileCache.remove(_fileCache.keys.first);
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_fileCache[id] = res.bodyBytes;
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return res.bodyBytes;
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} catch (_) {
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return null;
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}
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}
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Future<Uint8List?> getBytes(String path, {Map<String, String>? query}) async {
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final uri = _uri(path, query);
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final headers = <String, String>{
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'X-Request-Id': const Uuid().v4(),
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if (session.accessToken.isNotEmpty) 'Authorization': 'Bearer ${session.accessToken}',
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};
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try {
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var res = await http.get(uri, headers: headers).timeout(const Duration(seconds: 20));
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if (res.statusCode == 401 && session.refreshToken.isNotEmpty) {
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final ok = await _refresh();
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if (ok) {
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headers['Authorization'] = 'Bearer ${session.accessToken}';
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res = await http.get(uri, headers: headers).timeout(const Duration(seconds: 20));
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}
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}
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if (res.statusCode >= 400 || res.bodyBytes.isEmpty) return null;
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return res.bodyBytes;
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} catch (_) {
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return null;
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}
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}
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Future<Map<String, dynamic>> uploadFile({
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required String filePath,
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required String filename,
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required String bizType,
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required String bizId,
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String? mime,
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}) async {
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final uri = _uri('/files');
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final type = _mediaType(filename, mime);
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Future<http.Response> send() async {
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final req = http.MultipartRequest('POST', uri);
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req.headers['Authorization'] = 'Bearer ${session.accessToken}';
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req.headers['X-Request-Id'] = const Uuid().v4();
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req.fields['bizType'] = bizType;
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req.fields['bizId'] = bizId;
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req.files.add(await http.MultipartFile.fromPath('file', filePath, filename: filename, contentType: type));
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return http.Response.fromStream(await req.send().timeout(const Duration(seconds: 60)));
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}
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var res = await send();
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if (res.statusCode == 401 && session.refreshToken.isNotEmpty) {
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final ok = await _refresh();
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if (ok) res = await send();
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}
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if ((res.statusCode == 502 || res.statusCode == 503) && session.accessToken.isNotEmpty) {
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await Future<void>.delayed(const Duration(milliseconds: 700));
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res = await send();
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}
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dynamic json;
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try {
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json = res.body.isEmpty ? null : jsonDecode(res.body);
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} catch (_) {
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throw ApiException(res.statusCode >= 400 ? '上传失败 ${res.statusCode}' : '响应无法解析');
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}
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if (json is Map && json['code'] != null && json['code'] != 0) {
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throw ApiException('${json['message'] ?? '上传失败'}');
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}
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if (res.statusCode >= 400) {
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final msg = json is Map ? (json['message'] ?? json['error'] ?? res.statusCode) : res.statusCode;
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throw ApiException('$msg');
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}
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final data = json is Map && json.containsKey('data') ? json['data'] : json;
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return data is Map ? Map<String, dynamic>.from(data) : {'id': '$data'};
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}
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Future<dynamic> _send(
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String method,
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String path, {
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Map<String, String>? query,
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Map<String, dynamic>? body,
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bool retry = true,
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}) async {
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final uri = _uri(path, query);
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final headers = _headers(
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auth: !path.startsWith('/auth/login') &&
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!path.startsWith('/auth/sms-code') &&
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path != '/auth/login-options' &&
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path != '/system/app-release' &&
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!path.startsWith('/legal'),
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);
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http.Response res;
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try {
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if (method == 'GET') {
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res = await http.get(uri, headers: headers).timeout(const Duration(seconds: 30));
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} else if (method == 'PATCH') {
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res = await http.patch(uri, headers: headers, body: jsonEncode(body ?? {})).timeout(const Duration(seconds: 30));
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} else {
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res = await http.post(uri, headers: headers, body: jsonEncode(body ?? {})).timeout(const Duration(seconds: 30));
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}
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} catch (e) {
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throw ApiException('网络不可用：$e');
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}
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if ((res.statusCode == 502 || res.statusCode == 503) && retry) {
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await Future<void>.delayed(const Duration(milliseconds: 700));
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return _send(method, path, query: query, body: body, retry: false);
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}
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if (res.statusCode == 401 && retry && session.refreshToken.isNotEmpty && !path.contains('/auth/refresh')) {
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final ok = await _refresh();
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if (ok) return _send(method, path, query: query, body: body, retry: false);
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await session.clear();
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throw ApiException('登录已过期，请重新登录');
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}
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dynamic json;
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try {
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json = res.body.isEmpty ? null : jsonDecode(res.body);
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} catch (_) {
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throw ApiException(res.statusCode >= 400 ? '请求失败 ${res.statusCode}' : '响应无法解析');
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}
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if (json is Map && json['code'] != null && json['code'] != 0) {
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throw ApiException('${json['message'] ?? '请求失败'}');
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}
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if (res.statusCode >= 400) {
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final msg = json is Map ? (json['message'] ?? json['error'] ?? res.statusCode) : res.statusCode;
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throw ApiException('$msg');
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}
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if (json is Map && json.containsKey('data')) return json['data'];
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return json;
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}
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Future<bool> _refresh() async {
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if (_refreshing) return false;
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_refreshing = true;
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try {
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final uri = _uri('/auth/refresh');
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final res = await http.post(
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uri,
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headers: _headers(auth: false),
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body: jsonEncode({
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'refreshToken': session.refreshToken,
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'clientKind': 'mobile',
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}),
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);
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if (res.statusCode >= 400) return false;
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final json = jsonDecode(res.body);
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final data = json is Map && json['data'] is Map ? json['data'] as Map : json;
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final access = '${data['accessToken'] ?? ''}';
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final refresh = '${data['refreshToken'] ?? ''}';
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if (access.isEmpty) return false;
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await session.setTokens(access, refresh.isEmpty ? session.refreshToken : refresh);
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return true;
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} catch (_) {
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return false;
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} finally {
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_refreshing = false;
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}
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}
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MediaType _mediaType(String filename, String? mime) {
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var raw = (mime ?? '').split(';').first.trim().toLowerCase();
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if (raw == 'image/jpg' || raw == 'image/pjpeg') raw = 'image/jpeg';
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if (raw.isEmpty || raw == 'application/octet-stream') {
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final n = filename.toLowerCase();
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if (n.endsWith('.jpg') || n.endsWith('.jpeg')) {
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raw = 'image/jpeg';
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} else if (n.endsWith('.png')) {
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raw = 'image/png';
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} else if (n.endsWith('.gif')) {
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raw = 'image/gif';
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} else if (n.endsWith('.webp')) {
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raw = 'image/webp';
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} else if (n.endsWith('.m4a') || n.endsWith('.mp4')) {
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raw = 'audio/mp4';
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} else if (n.endsWith('.pdf')) {
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raw = 'application/pdf';
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} else {
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raw = 'application/octet-stream';
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}
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}
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try {
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return MediaType.parse(raw);
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} catch (_) {
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return MediaType('application', 'octet-stream');
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}
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}
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}
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List<Map<String, dynamic>> asMaps(dynamic data) {
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final list = extractList(data);
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return list.whereType<Map>().map((e) => Map<String, dynamic>.from(e)).toList();
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}
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List<dynamic> extractList(dynamic data) {
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if (data is List) return data;
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if (data is Map) {
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for (final k in ['items', 'list', 'rows', 'records', 'data']) {
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if (data[k] is List) return data[k] as List;
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}
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}
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return const [];
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}
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String scalarText(dynamic v) {
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if (v == null) return '';
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if (v is Map) {
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return '${v['displayName'] ?? v['name'] ?? v['title'] ?? v['departmentName'] ?? ''}'.trim();
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}
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if (v is List) {
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return v.map(scalarText).where((e) => e.isNotEmpty).join('、');
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}
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final s = '$v'.trim();
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if (s.startsWith('{') && (s.contains('id:') || s.contains('tenantId'))) return '';
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return s;
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}
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String pickTitle(Map<String, dynamic> row) {
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for (final k in [
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'title',
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'name',
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'displayName',
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'projectName',
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'bidNo',
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'contractNo',
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'claimNo',
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'loanNo',
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'projectNo',
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'purpose',
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'reason',
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'label',
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]) {
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final s = scalarText(row[k]);
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if (s.isNotEmpty) return s;
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}
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return row['id']?.toString() ?? '未命名';
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}
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String pickSub(Map<String, dynamic> row) {
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for (final k in [
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'departmentName',
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'department',
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'status',
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'title',
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'bidNo',
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'contractNo',
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'claimNo',
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'kind',
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'mobile',
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'lastText',
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'employmentStatus',
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]) {
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final s = scalarText(row[k]);
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if (s.isNotEmpty) return s;
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}
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return '';
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}
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String fmtTime(dynamic v) {
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if (v == null) return '';
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final s = '$v';
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final t = DateTime.tryParse(s);
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if (t != null) {
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final local = t.toLocal();
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final date = '${local.year.toString().padLeft(4, '0')}-${local.month.toString().padLeft(2, '0')}-${local.day.toString().padLeft(2, '0')}';
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final time = '${local.hour.toString().padLeft(2, '0')}:${local.minute.toString().padLeft(2, '0')}:${local.second.toString().padLeft(2, '0')}';
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return '$date $time';
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}
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if (s.length >= 16) return s.substring(0, 16).replaceFirst('T', ' ');
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return s;
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}
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String shortTime(dynamic v) {
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if (v == null) return '';
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final t = DateTime.tryParse('$v');
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if (t == null) return fmtTime(v);
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final now = DateTime.now();
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final local = t.toLocal();
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final today = DateTime(now.year, now.month, now.day);
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final day = DateTime(local.year, local.month, local.day);
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final hh = local.hour.toString().padLeft(2, '0');
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final mm = local.minute.toString().padLeft(2, '0');
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if (day == today) return '$hh:$mm';
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if (day == today.subtract(const Duration(days: 1))) return '昨天';
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const week = ['一', '二', '三', '四', '五', '六', '日'];
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if (today.difference(day).inDays < 7) return '周${week[local.weekday - 1]}';
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return '${local.month}/${local.day}';
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}
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const defaultApiHint = AppConfig.defaultApiBase;
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