public OwnedBook(IIsbnData isbn, int ownerId, PhysicalCondition condition, Availability availability)
{
if (isbn is null)
{
throw new ArgumentNullException(nameof(isbn));
}
if (ownerId <= 0)
{
throw new ArgumentException("The ownerId must be greater than 0.", nameof(ownerId));
}
if (!Enum.IsDefined(condition))
{
throw new ArgumentException($"Value '{condition}' does not exist in PhysicalCondition");
}
if (!Enum.IsDefined(availability))
{
throw new ArgumentException($"Value '{availability}' does not exist in Availability");
}
Isbn = isbn;
OwnerId = ownerId;
Condition = condition;
Availability = availability;
}
public OwnedBook(int id, IIsbnData isbn, int ownerId, PhysicalCondition condition, Availability availability) : this(isbn, ownerId, condition, availability)
{
if (id <= 0)
{
throw new ArgumentException("ID must be greater than or equal to one.");
}
Id = id;
}
