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2026-09-08 22:29:00 +08:00
parent daf47ca385
commit e519e1d71d
23 changed files with 1261 additions and 6 deletions
@@ -0,0 +1,66 @@
+import 'dart:convert';
+import 'dart:io' show Platform;
+import 'dart:typed_data';
+
+import 'package:cupertino_http/cupertino_http.dart';
+import 'package:flutter/foundation.dart' show kIsWeb;
+import 'package:http/http.dart' as http;
+
+import '../auth/session_store.dart';
+import '../config/app_config.dart';
+
+/// 假目标上报 API 客户端（契约见 server/README.md「假目标上报」）。
+/// 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。
+class FeedbackApi {
+  final String baseUrl;
+  final SessionStore sessionStore;
+  final http.Client _client;
+
+  FeedbackApi({String? baseUrl, required this.sessionStore, http.Client? client})
+      : baseUrl = baseUrl ?? AppConfig.apiBaseUrl,
+        _client = client ?? _defaultHttpClient();
+
+  static http.Client _defaultHttpClient() {
+    if (!kIsWeb && Platform.isIOS) {
+      return CupertinoClient.defaultSessionConfiguration();
+    }
+    return http.Client();
+  }
+
+  /// 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），
+  /// [detectionsJson] 为当前全部检测框快照 JSON 数组（可为空串）
+  Future<int> reportFalseTarget({
+    required Uint8List jpeg,
+    required String detectionsJson,
+    required int sourceW,
+    required int sourceH,
+  }) async {
+    final token = await sessionStore.readToken();
+    if (token == null || token.isEmpty) {
+      throw Exception('登录已失效');
+    }
+    final req = http.MultipartRequest(
+      'POST',
+      Uri.parse('$baseUrl/api/v1/feedback/false-target'),
+    )
+      ..headers['Authorization'] = 'Bearer $token'
+      ..fields['detections'] = detectionsJson
+      ..fields['sourceW'] = '$sourceW'
+      ..fields['sourceH'] = '$sourceH'
+      ..files.add(
+          http.MultipartFile.fromBytes('file', jpeg, filename: 'frame.jpg'));
+    final streamed =
+        await _client.send(req).timeout(const Duration(seconds: 30));
+    final res = await http.Response.fromStream(streamed);
+    final Map<String, dynamic> json;
+    try {
+      json = jsonDecode(res.body) as Map<String, dynamic>;
+    } catch (_) {
+      throw Exception('服务端响应异常 (${res.statusCode})');
+    }
+    if (res.statusCode != 200 || json['code'] != 0) {
+      throw Exception(json['message'] as String? ?? '上报失败 (${res.statusCode})');
+    }
+    return ((json['data'] as Map?)?['id'] as num?)?.toInt() ?? 0;
+  }
+}