public void AddCommentCourseTeacher(CommentCourseTeacherDto commentCourseTeacherDto) { var commentCourseTeacher = _mapper.Map <CommentCourseTeacher>(commentCourseTeacherDto); commentCourseTeacher.CourseTeacherId = _courseRepository.GetCourseTeacherId(commentCourseTeacherDto.CourseId, commentCourseTeacherDto.TeacherId); _commentRepository.AddCommentCourseTeacher(commentCourseTeacher); }