73 lines
2.2 KiB
Dart
73 lines
2.2 KiB
Dart
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import '../../core/constants/api_endpoints.dart';
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import '../../core/network/api_response.dart';
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import '../../core/network/dio_client.dart';
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import '../models/kline_candle.dart';
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/// K线 REST API 服务
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class KlineService {
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final DioClient _client;
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KlineService(this._client);
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/// 获取历史K线数据
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Future<ApiResponse<List<KlineCandle>>> fetchHistory({
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required String coinCode,
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required String interval,
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int limit = 200,
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int? before,
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}) async {
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final params = <String, dynamic>{
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'coinCode': coinCode,
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'interval': interval,
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'limit': limit,
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};
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if (before != null) params['before'] = before;
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final response = await _client.get<Map<String, dynamic>>(
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ApiEndpoints.klineHistory,
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queryParameters: params,
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);
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if (response.success && response.data != null) {
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final list = response.data!['list'] as List? ?? [];
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final candles = list
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.map((e) => KlineCandle.fromHistoryJson(e as Map<String, dynamic>))
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.toList();
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return ApiResponse.success(candles, response.message);
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}
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return ApiResponse.fail(response.message ?? '获取K线数据失败');
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}
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/// 获取当前进行中的K线
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Future<ApiResponse<KlineCandle>> fetchCurrentCandle({
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required String coinCode,
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required String interval,
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}) async {
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final response = await _client.get<Map<String, dynamic>>(
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ApiEndpoints.klineCurrent,
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queryParameters: {'coinCode': coinCode, 'interval': interval},
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);
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if (response.success && response.data != null) {
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return ApiResponse.success(
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KlineCandle.fromJson(response.data!),
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response.message,
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);
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}
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return ApiResponse.fail(response.message ?? '获取当前K线失败');
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}
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/// 获取支持的周期列表
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Future<ApiResponse<List<String>>> fetchIntervals() async {
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final response = await _client.get<Map<String, dynamic>>(
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ApiEndpoints.klineIntervals,
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);
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if (response.success && response.data != null) {
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final list = response.data!['list'] as List? ?? [];
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return ApiResponse.success(list.cast<String>(), response.message);
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}
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return ApiResponse.fail(response.message ?? '获取周期列表失败');
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}
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}
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