cycle and trade add exchange field

backend/trading_journal/dto.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from sqlmodel import SQLModel
+
+if TYPE_CHECKING:
+    from datetime import date, datetime
+
+    from trading_journal.models import TradeStrategy, TradeType, UnderlyingCurrency
+
+
+class TradeBase(SQLModel):
+    user_id: int
+    friendly_name: str | None
+    symbol: str
+    underlying_currency: UnderlyingCurrency
+    trade_type: TradeType
+    trade_strategy: TradeStrategy
+    trade_date: date
+    trade_time_utc: datetime