public async Task AddTeacherAsync(TeacherViewModel model)
{
var teacher = await _teacherRepo.GetTeacherByIdAsync(model.TeacherId);
if (teacher != null)
{
throw new Exception("Nauczyciel już istnieje w bazie!");
}
else
{
teacher = new Teacher(Guid.NewGuid(), Guid.NewGuid(), model.FirstName, model.LastName, model.Languages, model.City, model.Address, model.ZipCode);
await _teacherRepo.AddTeacherAsync(teacher);
}
}
