111

2026-04-06 16:34:02 +08:00
parent 71c8689989
commit 2e34072f45
20 changed files with 2278 additions and 0 deletions
--- a/flutter_monisuo/lib/data/services/kline_service.dart
+++ b/flutter_monisuo/lib/data/services/kline_service.dart
@@ -0,0 +1,72 @@
+import '../../core/constants/api_endpoints.dart';
+import '../../core/network/api_response.dart';
+import '../../core/network/dio_client.dart';
+import '../models/kline_candle.dart';
+
+/// K线 REST API 服务
+class KlineService {
+  final DioClient _client;
+
+  KlineService(this._client);
+
+  /// 获取历史K线数据
+  Future<ApiResponse<List<KlineCandle>>> fetchHistory({
+    required String coinCode,
+    required String interval,
+    int limit = 200,
+    int? before,
+  }) async {
+    final params = <String, dynamic>{
+      'coinCode': coinCode,
+      'interval': interval,
+      'limit': limit,
+    };
+    if (before != null) params['before'] = before;
+
+    final response = await _client.get<Map<String, dynamic>>(
+      ApiEndpoints.klineHistory,
+      queryParameters: params,
+    );
+
+    if (response.success && response.data != null) {
+      final list = response.data!['list'] as List? ?? [];
+      final candles = list
+          .map((e) => KlineCandle.fromHistoryJson(e as Map<String, dynamic>))
+          .toList();
+      return ApiResponse.success(candles, response.message);
+    }
+    return ApiResponse.fail(response.message ?? '获取K线数据失败');
+  }
+
+  /// 获取当前进行中的K线
+  Future<ApiResponse<KlineCandle>> fetchCurrentCandle({
+    required String coinCode,
+    required String interval,
+  }) async {
+    final response = await _client.get<Map<String, dynamic>>(
+      ApiEndpoints.klineCurrent,
+      queryParameters: {'coinCode': coinCode, 'interval': interval},
+    );
+
+    if (response.success && response.data != null) {
+      return ApiResponse.success(
+        KlineCandle.fromJson(response.data!),
+        response.message,
+      );
+    }
+    return ApiResponse.fail(response.message ?? '获取当前K线失败');
+  }
+
+  /// 获取支持的周期列表
+  Future<ApiResponse<List<String>>> fetchIntervals() async {
+    final response = await _client.get<Map<String, dynamic>>(
+      ApiEndpoints.klineIntervals,
+    );
+
+    if (response.success && response.data != null) {
+      final list = response.data!['list'] as List? ?? [];
+      return ApiResponse.success(list.cast<String>(), response.message);
+    }
+    return ApiResponse.fail(response.message ?? '获取周期列表失败');
+  }
+}