新增交易记录功能，支持开平仓和盈亏计算

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-07-26 10:46:27 +08:00
parent e222a93204
commit adec664c52
5 changed files with 307 additions and 2 deletions
@@ -119,4 +119,30 @@ class Position(Base):
    locked_count: Mapped[int] = mapped_column(Integer, default=0)
    opened_at: Mapped[date] = mapped_column(Date)

-    round: Mapped["Round"] = relationship(back_populates="positions")
+    round: Mapped["Round"] = relationship(back_populates="positions")
+
+
+class Trade(Base):
+    __tablename__ = "trades"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    product_code: Mapped[str] = mapped_column(String(10))
+    contract_code: Mapped[str] = mapped_column(String(10), index=True)
+    direction: Mapped[str] = mapped_column(String(4))
+    open_date: Mapped[date] = mapped_column(Date)
+    open_price: Mapped[int] = mapped_column(Integer)
+    open_fee: Mapped[int | None] = mapped_column(Integer, nullable=True, default=0)
+    close_date: Mapped[date | None] = mapped_column(Date, nullable=True)
+    close_price: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    close_fee: Mapped[int | None] = mapped_column(Integer, nullable=True, default=0)
+    status: Mapped[str] = mapped_column(String(10), default="open")
+
+    @property
+    def pnl(self) -> int | None:
+        if self.close_price is None:
+            return None
+        mul = 20  # glass futures point value
+        if self.direction == "long":
+            return (self.close_price - self.open_price) * mul - (self.open_fee or 0) - (self.close_fee or 0)
+        else:
+            return (self.open_price - self.close_price) * mul - (self.open_fee or 0) - (self.close_fee or 0)