feat: Fetch current prices from ClickHouse instead of Polygon API

src/utils/data_utils.py

@@ -4,7 +4,6 @@ from datetime import datetime, timedelta
 from trading.position_calculator import PositionCalculator
 from utils.common_utils import get_user_input, get_stock_data, get_qualified_stocks
 from typing import Optional
-import requests
 
 def get_float_input(prompt: str) -> Optional[float]:
     return get_user_input(prompt, float)
@@ -14,36 +13,27 @@ def get_current_prices(tickers: list) -> dict:
     if not tickers:
         return {}
 
-    polygon_api_key = os.environ.get("POLYGON_API_KEY")
-    if not polygon_api_key:
-        print("Error: POLYGON_API_KEY environment variable not set.")
-        return {}
-
     prices = {}
     try:
-        for ticker in tickers:
-            url = f"https://api.polygon.io/v2/last/trade/{ticker}?apiKey={polygon_api_key}"
-            response = requests.get(url)
+        with create_client() as client:
+            for ticker in tickers:
+                query = f"""
+                    SELECT close
+                    FROM stock_db.stock_prices_daily
+                    WHERE ticker = '{ticker}'
+                    ORDER BY date DESC
+                    LIMIT 1
+                """
+                result = client.query(query)
 
-            if response.status_code == 200:
-                data = response.json()
                 try:
-                    prices[ticker] = data['results']['price']
+                    prices[ticker] = result.result_rows[0][0]
                 except KeyError:
                     prices[ticker] = 0.0
-            else:
-                print(f"Error fetching price for {ticker}: {response.status_code} - {response.text}")
-                prices[ticker] = 0.0
-
-        # Verify that we have prices for all tickers
-        for ticker in tickers:
-            if ticker not in prices or prices[ticker] == 0:
-                print(f"Could not fetch price for {ticker}")
-                prices[ticker] = 0.0
 
     except Exception as e:
         print(f"Error fetching prices: {e}")
-        # If there's an error, fall back to setting price to 0.0
+        # If there's an error, set price to 0.0
         for ticker in tickers:
             if ticker not in prices:
                 prices[ticker] = 0.0