"""Helper functions for ticker formatting and utilities."""
from typing import Optional
from src.config.settings import settings
def format_ticker(ticker: str) -> str:
"""
Format ticker to Yahoo Finance format (add .JK suffix if not present).
Args:
ticker: Stock ticker symbol (e.g., "BBCA" or "BBCA.JK")
Returns:
Formatted ticker with .JK suffix (e.g., "BBCA.JK")
"""
ticker = ticker.upper().strip()
if not ticker.endswith(settings.IDX_SUFFIX):
ticker = f"{ticker}{settings.IDX_SUFFIX}"
return ticker
def normalize_ticker(ticker: str) -> str:
"""
Normalize ticker by removing suffix (for display purposes).
Args:
ticker: Stock ticker symbol (e.g., "BBCA.JK")
Returns:
Ticker without suffix (e.g., "BBCA")
"""
ticker = ticker.upper().strip()
if ticker.endswith(settings.IDX_SUFFIX):
ticker = ticker[: -len(settings.IDX_SUFFIX)]
return ticker
def is_market_hours() -> bool:
"""
Check if market is currently open (simplified check).
Returns:
True if market is open, False otherwise
"""
from datetime import datetime
import pytz
jakarta_tz = pytz.timezone(settings.MARKET_TIMEZONE)
now = datetime.now(jakarta_tz)
current_time = now.time()
# Parse market hours
open_hour, open_minute = map(int, settings.MARKET_OPEN.split(":"))
close_hour, close_minute = map(int, settings.MARKET_CLOSE.split(":"))
market_open = datetime.now(jakarta_tz).replace(
hour=open_hour, minute=open_minute, second=0, microsecond=0
).time()
market_close = datetime.now(jakarta_tz).replace(
hour=close_hour, minute=close_minute, second=0, microsecond=0
).time()
# Check if it's a weekday (Monday=0, Sunday=6)
is_weekday = now.weekday() < 5
return is_weekday and market_open <= current_time <= market_close
def format_number(value: Optional[float], decimals: int = 2) -> Optional[float]:
"""
Format number to specified decimal places.
Args:
value: Number to format
decimals: Number of decimal places
Returns:
Formatted number or None if value is None
"""
if value is None:
return None
return round(value, decimals)
