public void RemoveLearningPath(LearningPathCourse learningPath)
{
if (CourseLearningPaths.Contains(learningPath))
{
_courseLearningPaths.Remove(learningPath);
}
}
public void AddLearningPath(LearningPathCourse learningPath)
{
if (!CourseLearningPaths.Contains(learningPath))
{
_courseLearningPaths.Add(learningPath);
}
}