feat: Add get_current_price function to retrieve latest stock price

src/screener/t_sunnyband.py

@@ -30,6 +30,27 @@ def get_interval_choice() -> str:
         else:
             print("Invalid choice. Please try again.")
 
+def get_current_price(ticker: str) -> float:
+    """Get the most recent price for a ticker from stock_prices table"""
+    client = create_client()
+    
+    query = f"""
+        SELECT close
+        FROM stock_db.stock_prices
+        WHERE ticker = '{ticker}'
+        ORDER BY window_start DESC
+        LIMIT 1
+    """
+    
+    try:
+        result = client.query(query)
+        if result.result_rows:
+            return float(result.result_rows[0][0])
+        return None
+    except Exception as e:
+        print(f"Error getting current price for {ticker}: {str(e)}")
+        return None
+
 def get_stock_data(ticker: str, start_date: datetime, end_date: datetime, interval: str) -> pd.DataFrame:
     """Fetch stock data from the database"""
     client = create_client()