# utils/notice.py
from article.models import Notice


def get_user_notices(user):
    """获取用户有权查看且需签收的通知"""
    if user.dept:
        notices = Notice.objects.filter(
            target_departments=user.dept,
            require_sign=True,
            is_published=True
        ).distinct()
    else:
        notices = Notice.objects.none()
    return notices