/// <summary>
/// Maps DalSubject entity to Subject entity.
/// </summary>
/// <param name="subject"> DalSubject instance.</param>
/// <returns> Subject instance.</returns>
public static Subject ToSubject(this DalSubject subject)
{
return(new Subject()
{
Id = subject.Id,
Name = subject.Name
});
}
/// <summary> /// Adds new subject to data storage. /// </summary> /// <param name="subject"> Subject to add.</param> /// <exception> System.ArgumentNullException if subject is null.</exception> public void Create(DalSubject subject) => repository.Create(subject?.ToSubject());