feat(selection): 迁移知行B1选股策略

2026-08-08 22:41:45 +08:00
parent 0c999fb828
commit e9d06df5de
32 changed files with 2423 additions and 0 deletions
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+"""Selection application use cases."""
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+"""Application use case for one-stock historical Zhixing B1 evaluation."""
+
+from __future__ import annotations
+
+from datetime import date
+
+from ..domain.models import SelectionEvaluation, StockHistory
+from ..domain.ports import MarketDataReader, MarketDataReaderError
+from ..domain.zhixing_b1 import ZhixingB1Strategy
+
+
+class EvaluateZhixingB1:
+    """Read one history, evaluate the pure strategy, and map read failures."""
+
+    def __init__(
+        self,
+        reader: MarketDataReader,
+        strategy: ZhixingB1Strategy | None = None,
+    ) -> None:
+        """Inject the market-data port and optionally a strategy instance."""
+
+        self.reader = reader
+        self.strategy = strategy or ZhixingB1Strategy()
+
+    def execute(self, ts_code: str, target_trade_date: date) -> SelectionEvaluation:
+        """Evaluate ``ts_code`` on the exact requested trading date."""
+
+        try:
+            history = self.reader.load_history(ts_code, target_trade_date)
+        except MarketDataReaderError as exc:
+            return SelectionEvaluation(
+                ts_code=ts_code,
+                target_trade_date=target_trade_date,
+                status="data_error",
+                reason=str(exc),
+            )
+        return self.strategy.evaluate(history, target_trade_date)
+
+    def execute_history(
+        self,
+        history: StockHistory,
+        target_trade_date: date,
+    ) -> SelectionEvaluation:
+        """Evaluate an already loaded history for deterministic unit tests."""
+
+        return self.strategy.evaluate(history, target_trade_date)