"""
Python APIs exposed by the course_modes app to other in-process apps.
"""

from common.djangoapps.course_modes.models import CourseMode as _CourseMode


def get_paid_modes_for_course(course_run_id):
    """
    Returns a list of non-expired mode slugs for a course run ID that have a set minimum price.

    Params:
        course_run_id (CourseKey): The course run you want to get the paid modes for
    Returns:
        A list of paid modes (strings) that the course has attached to it.
    """
    return _CourseMode.paid_modes_for_course(course_run_id)