feat: 替换市场数据源为 Tiingo（移除 Alpaca）

AssetManager.Infrastructure/AssetManager.Infrastructure.csproj

@@ -6,8 +6,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Alpaca.Markets" Version="7.2.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
   </ItemGroup>
 
   <PropertyGroup>

AssetManager.Infrastructure/Services/MarketDataService.cs

@@ -1,30 +1,30 @@
-using Alpaca.Markets;
+using System.Text.Json;
 using AssetManager.Models.DTOs;
 using Microsoft.Extensions.Logging;
 
 namespace AssetManager.Infrastructure.Services;
 
 /// <summary>
-/// 市场数据服务实现
+/// 市场数据服务实现（基于 Tiingo）
 /// </summary>
 public class MarketDataService : IMarketDataService
 {
     private readonly ILogger<MarketDataService> _logger;
-    private readonly IAlpacaDataClient _dataClient;
+    private readonly HttpClient _httpClient;
+    private readonly string _tiingoApiKey;
 
     /// <summary>
     /// 构造函数
     /// </summary>
     /// <param name="logger">日志记录器</param>
-    public MarketDataService(ILogger<MarketDataService> logger)
+    /// <param name="httpClientFactory">HTTP 客户端工厂</param>
+    public MarketDataService(ILogger<MarketDataService> logger, IHttpClientFactory httpClientFactory)
     {
         _logger = logger;
-
+        _httpClient = httpClientFactory.CreateClient();
-        // 初始化 Alpaca 客户端 (7.2 版本)
+        // TODO: 从配置读取 Tiingo API Key
-        var secretKey = new SecretKey("YOUR_API_KEY", "YOUR_SECRET_KEY");
+        _tiingoApiKey = Environment.GetEnvironmentVariable("TIINGO_API_KEY") ?? "YOUR_TIINGO_API_KEY";
-
+        _httpClient.DefaultRequestHeaders.Add("Authorization", $"Token {_tiingoApiKey}");
-        // 使用 Paper Trading 环境进行测试，生产环境请使用 Environments.Live
-        _dataClient = Environments.Paper.GetAlpacaDataClient(secretKey);
     }
 
     /// <summary>
@@ -38,14 +38,22 @@ public class MarketDataService : IMarketDataService
         {
             _logger.LogInformation($"Requesting stock price for symbol: {symbol}");
 
-            var request = new LatestMarketDataRequest(symbol);
+            // Tiingo 最新价格端点
-            var latestTrade = await _dataClient.GetLatestTradeAsync(request);
+            var url = $"https://api.tiingo.com/iex/{symbol}?token={_tiingoApiKey}";
+            var response = await _httpClient.GetFromJsonAsync<List<TiingoPriceResponse>>(url);
 
+            if (response == null || response.Count == 0)
+            {
+                throw new Exception($"No data found for {symbol}");
+            }
+
+            var latest = response[0];
             return new MarketPriceResponse
             {
                 Symbol = symbol,
-                Price = latestTrade.Price,
+                Price = latest.tngoLast ?? latest.close ?? 0,
-                Timestamp = latestTrade.TimestampUtc,
+                PreviousClose = latest.prevClose ?? 0,
+                Timestamp = latest.date ?? DateTime.UtcNow,
                 AssetType = "Stock"
             };
         }
@@ -59,7 +67,7 @@ public class MarketDataService : IMarketDataService
     /// <summary>
     /// 获取加密货币实时价格
     /// </summary>
-    /// <param name="symbol">加密货币代码</param>
+    /// <param name="symbol">加密货币代码（如 BTCUSD）</param>
     /// <returns>加密货币价格信息</returns>
     public async Task<MarketPriceResponse> GetCryptoPriceAsync(string symbol)
     {
@@ -67,14 +75,22 @@ public class MarketDataService : IMarketDataService
         {
             _logger.LogInformation($"Requesting crypto price for symbol: {symbol}");
 
-            var request = new LatestMarketDataRequest(symbol);
+            // Tiingo 加密货币最新价格端点
-            var latestTrade = await _dataClient.GetLatestTradeAsync(request);
+            var url = $"https://api.tiingo.com/tiingo/crypto/prices?tickers={symbol}&token={_tiingoApiKey}";
+            var response = await _httpClient.GetFromJsonAsync<List<TiingoCryptoPriceResponse>>(url);
 
+            if (response == null || response.Count == 0 || response[0].priceData == null || response[0].priceData.Count == 0)
+            {
+                throw new Exception($"No data found for {symbol}");
+            }
+
+            var latest = response[0].priceData[0];
             return new MarketPriceResponse
             {
                 Symbol = symbol,
-                Price = latestTrade.Price,
+                Price = latest.close ?? 0,
-                Timestamp = latestTrade.TimestampUtc,
+                PreviousClose = 0, // Tiingo crypto 端点没有 prevClose，暂时用 0
+                Timestamp = latest.date ?? DateTime.UtcNow,
                 AssetType = "Crypto"
             };
         }
@@ -98,31 +114,36 @@ public class MarketDataService : IMarketDataService
         {
             _logger.LogInformation($"Requesting stock historical data for symbol: {symbol}, timeframe: {timeframe}, limit: {limit}");
 
-            var barTimeFrame = GetBarTimeFrame(timeframe);
             var endDate = DateTime.UtcNow;
             var startDate = CalculateStartDate(endDate, timeframe, limit);
+            var resampleFreq = GetTiingoResampleFreq(timeframe);
 
-            var request = new HistoricalBarsRequest(symbol, startDate, endDate, barTimeFrame);
+            // Tiingo 历史数据端点
-            var barsPage = await _dataClient.GetHistoricalBarsAsync(request);
+            var url = $"https://api.tiingo.com/tiingo/daily/{symbol}/prices?startDate={startDate:yyyy-MM-dd}&endDate={endDate:yyyy-MM-dd}&resampleFreq={resampleFreq}&token={_tiingoApiKey}";
+            var response = await _httpClient.GetFromJsonAsync<List<TiingoDailyResponse>>(url);
 
-            var result = new List<MarketDataResponse>();
+            if (response == null)
-            foreach (var kvp in barsPage.Items)
             {
-                foreach (var bar in kvp.Value)
+                return new List<MarketDataResponse>();
-                {
+            }
-                    result.Add(new MarketDataResponse
+
+            // 取最近 limit 条
+            var result = response
+                .OrderByDescending(x => x.date)
+                .Take(limit)
+                .OrderBy(x => x.date)
+                .Select(x => new MarketDataResponse
                 {
                     Symbol = symbol,
-                        Open = bar.Open,
+                    Open = x.open ?? 0,
-                        High = bar.High,
+                    High = x.high ?? 0,
-                        Low = bar.Low,
+                    Low = x.low ?? 0,
-                        Close = bar.Close,
+                    Close = x.close ?? 0,
-                        Volume = bar.Volume,
+                    Volume = x.volume ?? 0,
-                        Timestamp = bar.TimeUtc,
+                    Timestamp = x.date ?? DateTime.UtcNow,
                     AssetType = "Stock"
-                    });
+                })
-                }
+                .ToList();
-            }
 
             return result;
         }
@@ -146,31 +167,36 @@ public class MarketDataService : IMarketDataService
         {
             _logger.LogInformation($"Requesting crypto historical data for symbol: {symbol}, timeframe: {timeframe}, limit: {limit}");
 
-            var barTimeFrame = GetBarTimeFrame(timeframe);
             var endDate = DateTime.UtcNow;
             var startDate = CalculateStartDate(endDate, timeframe, limit);
+            var resampleFreq = GetTiingoResampleFreq(timeframe);
 
-            var request = new HistoricalBarsRequest(symbol, startDate, endDate, barTimeFrame);
+            // Tiingo 加密货币历史数据端点
-            var barsPage = await _dataClient.GetHistoricalBarsAsync(request);
+            var url = $"https://api.tiingo.com/tiingo/crypto/prices?tickers={symbol}&startDate={startDate:yyyy-MM-dd}&endDate={endDate:yyyy-MM-dd}&resampleFreq={resampleFreq}&token={_tiingoApiKey}";
+            var response = await _httpClient.GetFromJsonAsync<List<TiingoCryptoPriceResponse>>(url);
 
-            var result = new List<MarketDataResponse>();
+            if (response == null || response.Count == 0 || response[0].priceData == null)
-            foreach (var kvp in barsPage.Items)
             {
-                foreach (var bar in kvp.Value)
+                return new List<MarketDataResponse>();
-                {
+            }
-                    result.Add(new MarketDataResponse
+
+            // 取最近 limit 条
+            var result = response[0].priceData!
+                .OrderByDescending(x => x.date)
+                .Take(limit)
+                .OrderBy(x => x.date)
+                .Select(x => new MarketDataResponse
                 {
                     Symbol = symbol,
-                        Open = bar.Open,
+                    Open = x.open ?? 0,
-                        High = bar.High,
+                    High = x.high ?? 0,
-                        Low = bar.Low,
+                    Low = x.low ?? 0,
-                        Close = bar.Close,
+                    Close = x.close ?? 0,
-                        Volume = bar.Volume,
+                    Volume = x.volume ?? 0,
-                        Timestamp = bar.TimeUtc,
+                    Timestamp = x.date ?? DateTime.UtcNow,
                     AssetType = "Crypto"
-                    });
+                })
-                }
+                .ToList();
-            }
 
             return result;
         }
@@ -182,32 +208,26 @@ public class MarketDataService : IMarketDataService
     }
 
     /// <summary>
-    /// 转换时间周期
+    /// 转换为 Tiingo 的 resampleFreq
     /// </summary>
-    /// <param name="timeframe">时间周期字符串</param>
+    private string GetTiingoResampleFreq(string timeframe)
-    /// <returns>BarTimeFrame 对象</returns>
-    private BarTimeFrame GetBarTimeFrame(string timeframe)
     {
         return timeframe.ToLower() switch
         {
-            "1min" => BarTimeFrame.Minute,
+            "1min" => "1min",
-            "5min" => BarTimeFrame.Minute,
+            "5min" => "5min",
-            "15min" => BarTimeFrame.Minute,
+            "15min" => "15min",
-            "1h" => BarTimeFrame.Hour,
+            "1h" => "1hour",
-            "1d" => BarTimeFrame.Day,
+            "1d" => "daily",
-            "1w" => BarTimeFrame.Week,
+            "1w" => "weekly",
-            "1m" => BarTimeFrame.Month,
+            "1m" => "monthly",
-            _ => BarTimeFrame.Day
+            _ => "daily"
         };
     }
 
     /// <summary>
     /// 计算开始日期
     /// </summary>
-    /// <param name="endDate">结束日期</param>
-    /// <param name="timeframe">时间周期</param>
-    /// <param name="limit">数据点数量</param>
-    /// <returns>开始日期</returns>
     private DateTime CalculateStartDate(DateTime endDate, string timeframe, int limit)
     {
         return timeframe.ToLower() switch
@@ -223,3 +243,37 @@ public class MarketDataService : IMarketDataService
         };
     }
 }
+
+// Tiingo 响应模型
+internal class TiingoPriceResponse
+{
+    public decimal? tngoLast { get; set; }
+    public decimal? close { get; set; }
+    public decimal? prevClose { get; set; }
+    public DateTime? date { get; set; }
+}
+
+internal class TiingoDailyResponse
+{
+    public decimal? open { get; set; }
+    public decimal? high { get; set; }
+    public decimal? low { get; set; }
+    public decimal? close { get; set; }
+    public decimal? volume { get; set; }
+    public DateTime? date { get; set; }
+}
+
+internal class TiingoCryptoPriceResponse
+{
+    public List<TiingoCryptoBar>? priceData { get; set; }
+}
+
+internal class TiingoCryptoBar
+{
+    public decimal? open { get; set; }
+    public decimal? high { get; set; }
+    public decimal? low { get; set; }
+    public decimal? close { get; set; }
+    public decimal? volume { get; set; }
+    public DateTime? date { get; set; }
+}