# myapp/services/course_service.py
import re
import requests
import json
from typing import Dict, List, Optional
from flask import current_app
from urllib.parse import urlparse
from datetime import datetime
from bson import ObjectId

from services.cos_service import upload_file, delete_file

from models.material import Material

from .course_services.material_process import *

from .course_services.learning_progess_process import *