2a6512ff48
- 新增YahooMarketService实现股票实时价格和历史数据获取 - 更新MarketDataService优先使用Yahoo服务，腾讯财经降级为第二选择 - 添加YahooQuotesApi依赖并更新相关NuGet包版本 - 补充Yahoo服务测试用例
262 lines
9.5 KiB
C#
Executable File
262 lines
9.5 KiB
C#
Executable File
using AssetManager.Data;
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using AssetManager.Data.Repositories;
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using AssetManager.Models.DTOs;
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using Microsoft.Extensions.Logging;
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namespace AssetManager.Infrastructure.Services;
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/// <summary>
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/// 市场数据服务实现（组合模式：Yahoo财经优先，腾讯财经降级，Tiingo最终降级，OKX处理加密货币）
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/// </summary>
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public class MarketDataService : IMarketDataService
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{
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private readonly ILogger<MarketDataService> _logger;
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private readonly ITencentMarketService _tencentService;
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private readonly IYahooMarketService _yahooService;
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private readonly ITiingoMarketService _tiingoService;
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private readonly IOkxMarketService _okxService;
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private readonly IMarketDataRepository _marketDataRepo;
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public MarketDataService(
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ILogger<MarketDataService> logger,
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ITencentMarketService tencentService,
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IYahooMarketService yahooService,
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ITiingoMarketService tiingoService,
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IOkxMarketService okxService,
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IMarketDataRepository marketDataRepo)
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{
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_logger = logger;
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_tencentService = tencentService;
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_yahooService = yahooService;
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_tiingoService = tiingoService;
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_okxService = okxService;
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_marketDataRepo = marketDataRepo;
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}
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/// <summary>
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/// 获取实时价格（自动根据资产类型路由到对应数据源）
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/// </summary>
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public async Task<MarketPriceResponse> GetPriceAsync(string symbol, string assetType)
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{
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_logger.LogInformation("获取实时价格: {Symbol}, 资产类型: {AssetType}", symbol, assetType);
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// 先查缓存
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var cached = await _marketDataRepo.GetPriceCacheAsync(symbol, assetType);
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if (cached != null)
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{
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_logger.LogDebug("缓存命中: {Symbol} {AssetType}, 价格: {Price}", symbol, assetType, cached.Price);
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return new MarketPriceResponse
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{
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Symbol = cached.Symbol,
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Price = cached.Price,
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PreviousClose = cached.PreviousClose ?? 0,
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Timestamp = cached.FetchedAt,
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AssetType = cached.AssetType
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};
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}
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// 缓存未命中，调用API
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MarketPriceResponse response;
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string source;
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if (assetType.Equals("Crypto", StringComparison.OrdinalIgnoreCase))
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{
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response = await _okxService.GetCryptoPriceAsync(symbol);
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source = "OKX";
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}
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else
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{
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// 股票：优先Yahoo财经，失败降级腾讯财经，最后降级 Tiingo
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try
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{
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response = await _yahooService.GetStockPriceAsync(symbol);
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source = "Yahoo";
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Yahoo财经获取失败，降级使用 腾讯: {Symbol}", symbol);
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try
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{
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response = await _tencentService.GetStockPriceAsync(symbol);
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source = "Tencent";
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}
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catch (Exception tencentEx)
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{
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_logger.LogWarning(tencentEx, "腾讯财经获取失败，降级使用 Tiingo: {Symbol}", symbol);
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response = await _tiingoService.GetStockPriceAsync(symbol);
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source = "Tiingo";
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}
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}
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}
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// 写入缓存
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await SavePriceCacheAsync(symbol, assetType, response, source);
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return response;
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}
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/// <summary>
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/// 获取历史数据（自动根据资产类型路由到对应数据源）
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/// </summary>
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public async Task<List<MarketDataResponse>> GetHistoricalDataAsync(string symbol, string assetType, string timeframe, int limit)
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{
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_logger.LogInformation("获取历史数据: {Symbol}, 资产类型: {AssetType}, 周期: {Timeframe}, 数量: {Limit}",
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symbol, assetType, timeframe, limit);
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// 先查缓存
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var cachedKlines = await _marketDataRepo.GetKlineCacheAsync(symbol, assetType, timeframe, limit);
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// 缓存足够，直接返回
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if (cachedKlines.Count >= limit)
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{
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_logger.LogDebug("历史K线缓存命中: {Symbol} {AssetType} {Timeframe}, 数量: {Count}", symbol, assetType, timeframe, cachedKlines.Count);
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return cachedKlines.Select(k => new MarketDataResponse
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{
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Symbol = k.Symbol,
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Open = k.Open,
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High = k.High,
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Low = k.Low,
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Close = k.Close,
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Volume = k.Volume ?? 0,
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Timestamp = k.Timestamp,
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AssetType = k.AssetType
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}).OrderBy(k => k.Timestamp).ToList();
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}
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// 缓存不足，调用API补全
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List<MarketDataResponse> response;
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string source;
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if (assetType.Equals("Crypto", StringComparison.OrdinalIgnoreCase))
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{
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response = await _okxService.GetCryptoHistoricalDataAsync(symbol, timeframe, limit);
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source = "OKX";
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}
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else
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{
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// 股票：优先Yahoo财经，失败降级腾讯财经，最后降级 Tiingo
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try
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{
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response = await _yahooService.GetStockHistoricalDataAsync(symbol, timeframe, limit);
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if (response.Count > 0)
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{
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source = "Yahoo";
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}
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else
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{
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throw new Exception("Yahoo财经返回空数据");
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}
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Yahoo财经历史数据获取失败，降级使用 腾讯: {Symbol}", symbol);
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try
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{
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response = await _tencentService.GetStockHistoricalDataAsync(symbol, timeframe, limit);
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if (response.Count > 0)
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{
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source = "Tencent";
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}
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else
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{
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throw new Exception("腾讯财经返回空数据");
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}
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}
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catch (Exception tencentEx)
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{
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_logger.LogWarning(tencentEx, "腾讯财经历史数据获取失败，降级使用 Tiingo: {Symbol}", symbol);
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response = await _tiingoService.GetStockHistoricalDataAsync(symbol, timeframe, limit);
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source = "Tiingo";
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}
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}
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}
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// 批量写入缓存
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await SaveKlineCacheAsync(symbol, assetType, timeframe, response, source);
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return response;
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}
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/// <summary>
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/// 获取股票实时价格
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/// </summary>
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public async Task<MarketPriceResponse> GetStockPriceAsync(string symbol)
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{
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return await GetPriceAsync(symbol, "Stock");
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}
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/// <summary>
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/// 获取加密货币实时价格
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/// </summary>
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public async Task<MarketPriceResponse> GetCryptoPriceAsync(string symbol)
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{
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return await GetPriceAsync(symbol, "Crypto");
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}
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/// <summary>
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/// 获取股票历史数据
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/// </summary>
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public async Task<List<MarketDataResponse>> GetStockHistoricalDataAsync(string symbol, string timeframe, int limit)
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{
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return await GetHistoricalDataAsync(symbol, "Stock", timeframe, limit);
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}
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/// <summary>
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/// 获取加密货币历史数据
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/// </summary>
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public async Task<List<MarketDataResponse>> GetCryptoHistoricalDataAsync(string symbol, string timeframe, int limit)
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{
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return await GetHistoricalDataAsync(symbol, "Crypto", timeframe, limit);
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}
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// ===== 私有辅助方法 =====
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private async Task SavePriceCacheAsync(string symbol, string assetType, MarketPriceResponse response, string source)
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{
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var cacheEntity = new MarketPriceCache
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{
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Symbol = symbol.ToUpper(),
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AssetType = assetType.ToUpper(),
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Price = Math.Round(response.Price, 8),
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PreviousClose = response.PreviousClose > 0 ? Math.Round(response.PreviousClose, 8) : null,
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Source = source,
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FetchedAt = DateTime.Now,
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ExpiredAt = GetCacheExpirationTime(assetType)
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};
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await _marketDataRepo.SavePriceCacheAsync(cacheEntity);
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_logger.LogDebug("缓存写入: {Symbol} {AssetType}, 过期时间: {ExpiredAt}", symbol, assetType, cacheEntity.ExpiredAt);
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}
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private async Task SaveKlineCacheAsync(string symbol, string assetType, string timeframe, List<MarketDataResponse> data, string source)
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{
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var cacheEntities = data.Select(k => new MarketKlineCache
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{
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Symbol = symbol.ToUpper(),
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AssetType = assetType.ToUpper(),
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Timeframe = timeframe.ToUpper(),
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Timestamp = k.Timestamp,
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Open = k.Open,
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High = k.High,
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Low = k.Low,
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Close = k.Close,
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Volume = k.Volume,
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Source = source,
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FetchedAt = DateTime.Now
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}).ToList();
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await _marketDataRepo.SaveKlineCacheBatchAsync(cacheEntities);
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_logger.LogDebug("历史K线缓存写入: {Symbol} {AssetType} {Timeframe}, 数量: {Count}", symbol, assetType, timeframe, cacheEntities.Count);
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}
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private DateTime GetCacheExpirationTime(string assetType)
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{
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return assetType.ToLower() switch
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{
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"crypto" => DateTime.Now.AddMinutes(1),
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_ => DateTime.Now.AddMinutes(5)
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};
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}
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}
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