public void Add(string courseId, Remark remark)
{
if (!Course2Remarks.ContainsKey(courseId))
{
Course2Remarks[courseId] = new List<Remark>();
}
Course2Remarks[courseId].Add(remark);
}
public void AddRemark(string courseId,string userId, Remark remark)
{
_remarkRepository.AddRemark(courseId, userId, remark);
}