19f3cc8679
关键修复： 1. BackfillNavHistoryInternalAsync 汇率处理bug - holdings 存储目标币种成本，避免卖出时用当前汇率重转历史成本 - 优先使用交易时保存的汇率 2. Transaction 表新增字段 - exchange_rate: 交易时汇率 - total_amount_base: 本位币金额 - 创建交易时自动保存汇率 3. CalculateAndSaveDailyNavAsync - 优先使用 TotalAmountBase 字段计算成本 - 回退到当前汇率（兼容历史数据） 4. 新增迁移脚本 sql/migrate_financial_fields.sql
109 lines
3.2 KiB
C#
109 lines
3.2 KiB
C#
using SqlSugar;
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namespace AssetManager.Data;
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/// <summary>
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/// 交易流水表
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/// </summary>
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[SugarTable("transactions")]
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public class Transaction
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{
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/// <summary>
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/// 主键
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/// </summary>
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[SugarColumn(IsPrimaryKey = true, IsIdentity = false)]
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public string? Id { get; set; }
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/// <summary>
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/// 所属组合ID
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/// </summary>
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[SugarColumn(ColumnName = "portfolio_id", IndexGroupNameList = new string[] { "idx_portfolio_id" })]
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public string? PortfolioId { get; set; }
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/// <summary>
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/// 交易类型 (buy/sell)
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/// </summary>
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[SugarColumn(ColumnName = "type", Length = 20)]
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public string? Type { get; set; }
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/// <summary>
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/// 标的代码
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/// </summary>
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[SugarColumn(ColumnName = "stock_code", Length = 50)]
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public string? StockCode { get; set; }
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/// <summary>
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/// 资产类型 (Stock/Crypto)
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/// </summary>
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[SugarColumn(ColumnName = "asset_type", Length = 20)]
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public string? AssetType { get; set; }
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/// <summary>
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/// 交易标题 (如: 定期定投)
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/// </summary>
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[SugarColumn(ColumnName = "title", Length = 200)]
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public string? Title { get; set; }
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/// <summary>
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/// 交易数量
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/// </summary>
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[SugarColumn(ColumnName = "amount", ColumnDataType = "decimal(18,8)")]
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public decimal Amount { get; set; }
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/// <summary>
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/// 成交价格
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/// </summary>
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[SugarColumn(ColumnName = "price", ColumnDataType = "decimal(18,4)")]
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public decimal Price { get; set; }
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/// <summary>
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/// 交易总金额（原始币种）
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/// </summary>
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[SugarColumn(ColumnName = "total_amount", ColumnDataType = "decimal(18,4)")]
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public decimal TotalAmount { get; set; }
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/// <summary>
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/// 交易币种
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/// </summary>
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[SugarColumn(ColumnName = "currency", Length = 10)]
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public string? Currency { get; set; }
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/// <summary>
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/// 交易时汇率（原始币种 -> 组合本位币）
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/// 用于精确计算历史净值，避免汇率变化影响
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/// </summary>
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[SugarColumn(ColumnName = "exchange_rate", ColumnDataType = "decimal(18,6)", IsNullable = true)]
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public decimal? ExchangeRate { get; set; }
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/// <summary>
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/// 交易总金额（组合本位币）
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/// = TotalAmount * ExchangeRate，用于精确计算
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/// </summary>
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[SugarColumn(ColumnName = "total_amount_base", ColumnDataType = "decimal(18,4)", IsNullable = true)]
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public decimal? TotalAmountBase { get; set; }
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/// <summary>
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/// 交易状态 (processing/completed)
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/// </summary>
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[SugarColumn(ColumnName = "status", Length = 50)]
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public string? Status { get; set; }
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/// <summary>
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/// 交易备注
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/// </summary>
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[SugarColumn(ColumnName = "remark", Length = 500, IsNullable = true)]
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public string? Remark { get; set; }
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/// <summary>
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/// 交易发生时间
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/// </summary>
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[SugarColumn(ColumnName = "transaction_time")]
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public DateTime TransactionTime { get; set; }
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/// <summary>
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/// 记录创建时间
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/// </summary>
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[SugarColumn(ColumnName = "created_at")]
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public DateTime CreatedAt { get; set; }
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}
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