import os
from flask import current_app


# file extension
ALLOWED_EXTENSIONS = {"xlsx", "xls", "csv"}


def get_download_format_folder():
    return os.path.join(
        current_app.root_path,
        "static",
        "downloads",
        "format"
    )

def get_uploads_folder():
    return os.path.join(
        current_app.root_path,
        "static",
        "uploads"
    )

def ensure_upload_folder():
    if not os.path.exists(get_uploads_folder()):
        os.makedirs(get_uploads_folder())