public CourseDTO GetCourseByName(string name) { Course course = courseDetails.GetCourseByName(name); var courseDTO = course != null ? converterToDTO.ConvertToCourseDTO(course) : throw new ArgumentNullException(); return(courseDTO); }
public CourseDTO FindCourseDTOByName(string courseName) { Course course = moderation.FindCourseByName(courseName); return(converterToDTO.ConvertToCourseDTO(course)); }
public IEnumerable <CourseDTO> GetAllCourses() { return(catalog.GetAllCourses() .Select(c => converterToDTO.ConvertToCourseDTO(c))); }