backend/app/utils/helper.py
MuslemRahimi 9db7c5308a bugfixing
2024-12-30 10:27:47 +01:00

75 lines
2.7 KiB
Python

from datetime import datetime, timedelta, time, date
import os
import orjson
import pytz
def check_market_hours():
holidays = [
"2024-01-01", "2024-01-15", "2024-02-19", "2024-03-29",
"2024-05-27", "2024-06-19", "2024-07-04", "2024-09-02",
"2024-11-28", "2024-12-25"
]
# Get the current date and time in ET (Eastern Time)
et_timezone = pytz.timezone('America/New_York')
current_time = datetime.now(et_timezone)
current_date_str = current_time.strftime('%Y-%m-%d')
current_hour = current_time.hour
current_minute = current_time.minute
current_day = current_time.weekday() # Monday is 0, Sunday is 6
# Check if the current date is a holiday or weekend
is_weekend = current_day >= 5 # Saturday (5) or Sunday (6)
is_holiday = current_date_str in holidays
# Determine the market status
if is_weekend or is_holiday:
return False #"Market is closed."
elif 9 <= current_hour < 16 or (current_hour == 17 and current_minute == 0):
return True #"Market hours."
else:
return False #"Market is closed."
def load_latest_json(directory: str):
"""
Load the JSON file corresponding to today's date (New York time) or the last Friday if today is a weekend.
If the file is not found, try going back one day up to 10 times.
"""
try:
# Get today's date in New York timezone
ny_tz = pytz.timezone("America/New_York")
today_ny = datetime.now(ny_tz).date()
# Adjust to Friday if today is Saturday or Sunday
if today_ny.weekday() == 5: # Saturday
today_ny -= timedelta(days=1)
elif today_ny.weekday() == 6: # Sunday
today_ny -= timedelta(days=2)
# Attempt to find the file for up to 10 days
attempts = 0
while attempts < 10:
# Construct the filename based on the adjusted date
target_filename = f"{today_ny}.json"
target_file_path = os.path.join(directory, target_filename)
# Check if the file exists and load it
if os.path.exists(target_file_path):
with open(target_file_path, 'rb') as file:
print(today_ny)
return orjson.loads(file.read())
# If the file is not found, go one day back
print(f"No JSON file found for date: {today_ny}. Trying the previous day...")
today_ny -= timedelta(days=1)
attempts += 1
# If no file is found after 10 attempts, return an empty list
#print("No JSON file found after 10 attempts.")
return []
except Exception as e:
#print(f"Error loading JSON file: {e}")
return []