fix: 三个核心需要的接口完成

app/services/stock_service.py

@@ -212,15 +212,22 @@ class StockService:
             loop.close()
             
             # 转换为Symbol模型
-            from app.models import Symbol, SymbolType
+            from app.models import Symbol, SymbolType, Exchange
             symbols = []
             for s in symbols_info:
+                # 将字符串 exchange 转换为 Exchange 枚举
+                try:
+                    exchange_enum = Exchange(s.exchange)
+                except ValueError:
+                    exchange_enum = Exchange.SH  # 默认上海
+                
                 symbols.append(Symbol(
                     symbol_id=s.symbol_id,
                     symbol_type=SymbolType.STOCK,
-                    exchange=s.exchange,
+                    exchange=exchange_enum,
                     name=s.name,
-                    underlying=s.underlying
+                    underlying=s.underlying,
+                    status="active"  # 添加必需的 status 字段
                 ))
             
             info(f"Fetched {len(symbols)} symbols from adapter")
@@ -271,4 +278,85 @@ class StockService:
     
     def get_trading_dates(self, req: TradingDatesRequest) -> TradingDatesData:
         """获取交易日历"""
-        return self.repository.get_trading_dates(req.start, req.end)
+        # 从数据库获取
+        data = self.repository.get_trading_dates(req.start, req.end)
+        
+        # 如果数据库没有数据，从适配器获取
+        if not data.trading_dates:
+            info(f"No trading dates in DB for {req.start}~{req.end}, fetching from adapter...")
+            adapter_dates = self._fetch_trading_dates_from_adapter(req.start, req.end)
+            if adapter_dates:
+                # 保存到数据库
+                self._save_trading_dates_to_db(adapter_dates)
+                # 重新查询
+                data = self.repository.get_trading_dates(req.start, req.end)
+        
+        return data
+    
+    def _fetch_trading_dates_from_adapter(self, start: str, end: str) -> List[str]:
+        """从适配器获取交易日历"""
+        try:
+            adapter_service = AdapterService()
+            
+            # 确保适配器已连接
+            adapter = adapter_service.get_active_adapter("stock")
+            if not adapter:
+                asyncio.run(adapter_service._connect_adapter("amazingdata"))
+                adapter = adapter_service.get_active_adapter("stock")
+            
+            if not adapter:
+                error("No active adapter available")
+                return []
+            
+            # 异步获取数据
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+            calendar_data = loop.run_until_complete(
+                adapter.fetch_trading_calendar("SH", start, end)
+            )
+            loop.close()
+            
+            # 提取交易日日期
+            dates = []
+            for cal in calendar_data:
+                if cal.is_trading_day:
+                    # 转换为 YYYYMMDD 格式
+                    date_str = cal.date.strftime("%Y%m%d")
+                    dates.append(date_str)
+            
+            info(f"Fetched {len(dates)} trading dates from adapter")
+            return dates
+            
+        except Exception as e:
+            error(f"Failed to fetch trading dates from adapter: {e}")
+            return []
+    
+    def _save_trading_dates_to_db(self, dates: List[str]) -> None:
+        """保存交易日历到数据库"""
+        try:
+            from app.repositories.models import StockTradingCalendar
+            from datetime import datetime as dt
+            
+            for date_str in dates:
+                # 检查是否已存在
+                existing = self.db.query(StockTradingCalendar).filter(
+                    StockTradingCalendar.trade_date == date_str
+                ).first()
+                
+                if not existing:
+                    # 解析日期获取星期几
+                    date_obj = dt.strptime(date_str, "%Y%m%d")
+                    week_day = date_obj.weekday() + 1  # 1=周一, 7=周日
+                    
+                    new_record = StockTradingCalendar(
+                        trade_date=date_str,
+                        is_trading_day=True,
+                        week_day=week_day
+                    )
+                    self.db.add(new_record)
+            
+            self.db.commit()
+            info(f"Saved {len(dates)} trading dates to DB")
+        except Exception as e:
+            error(f"Failed to save trading dates to DB: {e}")
+            self.db.rollback()

todo_20260311.md

@@ -0,0 +1,10 @@
+# 待完成TODO
+
+1. 总股本、机构持股未能获取
+
+# 已完成DONE
+
+1. 获取股票列表接口  stock/symbols -- 第一次请求慢，会超时
+2. 获取k线   stock/klines/{symbol} -- 缺少股本等信息
+3. 获取交易日历  stock/trading-dates
+