feat: 添加 TiingoTicker 股票代码字典实体

AssetManager.Data/DatabaseService.cs

@@ -18,7 +18,8 @@ public class DatabaseService
             typeof(Strategy),
             typeof(Portfolio),
             typeof(Position),
-            typeof(Transaction)
+            typeof(Transaction),
+            typeof(TiingoTicker)
         );
     }
 

AssetManager.Data/TiingoTicker.cs

@@ -0,0 +1,62 @@
+using SqlSugar;
+
+namespace AssetManager.Data;
+
+/// <summary>
+/// Tiingo 股票代码字典表
+/// </summary>
+[SugarTable("tiingo_tickers")]
+public class TiingoTicker
+{
+    /// <summary>
+    /// 主键 ID
+    /// </summary>
+    [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+    public int Id { get; set; }
+
+    /// <summary>
+    /// 标的代码（ticker）
+    /// </summary>
+    [SugarColumn(ColumnDataType = "varchar(50)")]
+    public string? Ticker { get; set; }
+
+    /// <summary>
+    /// 交易所（exchange）
+    /// </summary>
+    [SugarColumn(ColumnDataType = "varchar(50)")]
+    public string? Exchange { get; set; }
+
+    /// <summary>
+    /// 资产类型（assetType）
+    /// </summary>
+    [SugarColumn(ColumnDataType = "varchar(50)")]
+    public string? AssetType { get; set; }
+
+    /// <summary>
+    /// 计价货币（priceCurrency）
+    /// </summary>
+    [SugarColumn(ColumnDataType = "varchar(10)")]
+    public string? PriceCurrency { get; set; }
+
+    /// <summary>
+    /// 数据开始日期（startDate）
+    /// </summary>
+    [SugarColumn(IsNullable = true)]
+    public DateTime? StartDate { get; set; }
+
+    /// <summary>
+    /// 数据结束日期（endDate）
+    /// </summary>
+    [SugarColumn(IsNullable = true)]
+    public DateTime? EndDate { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedAt { get; set; } = DateTime.Now;
+
+    /// <summary>
+    /// 更新时间
+    /// </summary>
+    public DateTime UpdatedAt { get; set; } = DateTime.Now;
+}