Ejemplo n.º 1
0
        public void AddStudentToCourse(Student Student, string Course)
        {
            if (Student.Courses.Any(c => c.Course.Name == Course))
            {
                return;
            }

            var db_course = _Courses.GetByName(Course);

            if (db_course is null)
            {
                throw new InvalidOperationException($"Курс {Course} отсутствует в базе данных");
            }

            Student.Courses.Add(new StudentCourse(Student, db_course));
            _Students.SaveChanges();
        }