public T GetById(object id)
{
if (typeof(T).Equals(typeof(StudentModel)))
{
List <StudentModel> list = BinaryFileUtil.ReadFromFile <StudentModel>();
return(list.Find(x => x.Id == (int)id) as T);
}
else if (typeof(T).Equals(typeof(CourseModel)))
{
List <CourseModel> list = BinaryFileUtil.ReadFromFile <CourseModel>();
return(list.Find(x => x.Id == (int)id) as T);
}
else if (typeof(T).Equals(typeof(EmployeeModel)))
{
List <EmployeeModel> list = BinaryFileUtil.ReadFromFile <EmployeeModel>();
return(list.Find(x => x.Id == (int)id) as T);
}
T obj = default(T);
obj = Activator.CreateInstance <T>();
return(obj);
}
public void Insert(T obj)
{
BinaryFileUtil.WriteToFile <T>(obj);
}
public IEnumerable <T> GetAll()
{
return(BinaryFileUtil.ReadFromFile <T>().AsEnumerable <T>());
}
public void Delete(object id)
{
T obj = GetById(id);
BinaryFileUtil.RemoveFromFile(obj);
}
