public void RegisterStudent(Student student)
{
using (var ctx = new ArgonDbContext(_connectionStringWrapper))
{
ctx.Students.Add(student);
ctx.SaveChanges();
}
}
public void UnregisterStudent(int id)
{
using (var ctx = new ArgonDbContext(_connectionStringWrapper))
{
var student = GetStudent(id);
if (student == null)
{
throw new ArgumentException($"Student {id} does not exist.");
}
ctx.Students.Remove(student);
ctx.SaveChanges();
}
}
public void Update(int id, Student student)
{
using (var ctx = new ArgonDbContext(_connectionStringWrapper))
{
var entity = ctx.Students.FirstOrDefault(q => q.Id == id);
if (entity == null)
{
throw new ArgumentException($"Student {id} does not exist.");
}
entity.Name = student.Name;
entity.Surname = student.Surname;
ctx.Students.Update(entity);
ctx.SaveChanges();
}
}
