/// <summary>
        /// CourseModel típust konvertál Course típusra (entitás)
        /// </summary>
        /// <param name="course">Átkonvertálandó CourseModel</param>
        /// <returns>Course-á konvertált CourseModel</returns>
        public static Course ModelToEntity(CourseModel course)
        {
            Course newEntityCourse = new Course();

            newEntityCourse.Id         = course.CourseId;
            newEntityCourse.Room       = course.Room;
            newEntityCourse.Teacher    = course.Teacher;
            newEntityCourse.From       = course.From;
            newEntityCourse.To         = course.To;
            newEntityCourse.Day_Id     = course.Day_Id;
            newEntityCourse.Subject_Id = course.Subject_Id;
            //newEntityCourse.Timetables = TimetableMapper.ModelCollectionToEntityCollection(course.Timetables);
            newEntityCourse.Day     = DayMapper.ModelToEntity(course.Day);
            newEntityCourse.Subject = SubjectMapper.ModelToEntity(course.Subject);
            newEntityCourse.Name    = course.Name;
            return(newEntityCourse);
        }
        /// <summary>
        /// Course típust (entitás) konvertál CourseModel típusra
        /// </summary>
        /// <param name="course">Átkonvertálandó Course (entitás)</param>
        /// <returns>CourseModel-é konvertált Course</returns>
        public static CourseModel EntityToModel(Course course)
        {
            CourseModel newModelCourse = new CourseModel();

            newModelCourse.CourseId   = course.Id;
            newModelCourse.Room       = course.Room;
            newModelCourse.Teacher    = course.Teacher;
            newModelCourse.From       = course.From;
            newModelCourse.To         = course.To;
            newModelCourse.Day_Id     = course.Day_Id;
            newModelCourse.Subject_Id = course.Subject_Id;
            newModelCourse.Name       = course.Name;
            //newModelCourse.Timetables = TimetableMapper.EntityCollectionToModelCollection(course.Timetables);
            newModelCourse.Day = DayMapper.EntityToModel(course.Day);
            //newModelCourse.Subject = SubjectMapper.EntityToModel(course.Subject);
            newModelCourse.Subject             = new SubjectModel();
            newModelCourse.Subject.SubjectId   = course.Subject.Id;
            newModelCourse.Subject.SubjectName = course.Subject.SubjectName;
            newModelCourse.Subject.IsLecture   = (course.Subject.IsLecture == 0 ? false : true);
            newModelCourse.Subject.User_Id     = course.Subject.User_Id;
            return(newModelCourse);
        }