67 lines
2.4 KiB
Dart
67 lines
2.4 KiB
Dart
import 'dart:convert';
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import 'dart:io' show Platform;
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import 'dart:typed_data';
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import 'package:cupertino_http/cupertino_http.dart';
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import 'package:flutter/foundation.dart' show kIsWeb;
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import 'package:http/http.dart' as http;
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import '../auth/session_store.dart';
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import '../config/app_config.dart';
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/// 假目标上报 API 客户端（契约见 server/README.md「假目标上报」）。
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/// 仅上传误报框裁剪图（客户端已重编码剥离元数据）+ 检测框快照字段。
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class FeedbackApi {
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final String baseUrl;
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final SessionStore sessionStore;
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final http.Client _client;
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FeedbackApi({String? baseUrl, required this.sessionStore, http.Client? client})
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: baseUrl = baseUrl ?? AppConfig.apiBaseUrl,
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_client = client ?? _defaultHttpClient();
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static http.Client _defaultHttpClient() {
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if (!kIsWeb && Platform.isIOS) {
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return CupertinoClient.defaultSessionConfiguration();
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}
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return http.Client();
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}
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/// 上报假目标：[jpeg] 为上报瞬间的分析帧整图（与推理帧同源同尺寸），
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/// [detectionsJson] 为当前全部检测框快照 JSON 数组（可为空串）
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Future<int> reportFalseTarget({
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required Uint8List jpeg,
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required String detectionsJson,
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required int sourceW,
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required int sourceH,
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}) async {
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final token = await sessionStore.readToken();
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if (token == null || token.isEmpty) {
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throw Exception('登录已失效');
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}
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final req = http.MultipartRequest(
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'POST',
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Uri.parse('$baseUrl/api/v1/feedback/false-target'),
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)
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..headers['Authorization'] = 'Bearer $token'
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..fields['detections'] = detectionsJson
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..fields['sourceW'] = '$sourceW'
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..fields['sourceH'] = '$sourceH'
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..files.add(
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http.MultipartFile.fromBytes('file', jpeg, filename: 'frame.jpg'));
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final streamed =
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await _client.send(req).timeout(const Duration(seconds: 30));
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final res = await http.Response.fromStream(streamed);
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final Map<String, dynamic> json;
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try {
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json = jsonDecode(res.body) as Map<String, dynamic>;
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} catch (_) {
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throw Exception('服务端响应异常 (${res.statusCode})');
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}
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if (res.statusCode != 200 || json['code'] != 0) {
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throw Exception(json['message'] as String? ?? '上报失败 (${res.statusCode})');
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}
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return ((json['data'] as Map?)?['id'] as num?)?.toInt() ?? 0;
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}
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}
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