public Result <LessonComment> AddComment(int lessonId, LessonCommentDTO dto)
{
//todo: check has enrolled/attended class
LessonComment comment = new LessonComment()
{
Comment = dto.Comment, CreatedTime = DateTime.UtcNow, CreatedById = UserId, LessonId = lessonId
};
_lessonRepository.AddComment(comment);
//var response = Request.CreateResponse(HttpStatusCode.Created);
// Generate a link to the new book and set the Location header in the response.
//string uri = Url.Link("GetCommentById", new { lessonId = lessonId, id = comment.Id });
//response.Headers.Location = new Uri(uri);
//return response;
Result <LessonComment> res = new Result <LessonComment>(true, comment);
return(res);
}