public bool RemoveVideo(Lesson lesson, LessonVideo lessonVideo)
{
if (lesson == null || lessonVideo == null)
{
return(false);
}
lesson.Videos.Remove(lessonVideo);
return(true);
}
public bool RemoveLessonVideo(Lesson lesson, LessonVideo lessonVideo) => _lessonDAO.RemoveVideo(lesson, lessonVideo);
