public Contact Update(int id, Contact contact)
{
if (id <= 0)
{
throw new ArgumentOutOfRangeException(nameof(id), "Id must be > 0.");
}
if (contact == null || !contact.Validate())
{
throw new ArgumentNullException(nameof(contact));
}
//contact.Validate();
var index = GetIndex(id);
if (index < 0)
{
throw new Exception("Contact does not exist.");
}
//Game names must be unique
var existingIndex = GetIndex(contact.Name);
if (existingIndex >= 0 && existingIndex != index)
{
throw new Exception("The contact's name needs to be unique.");
}
contact.Id = id;
var existing = _items[index];
Clone(existing, contact);
return(contact);
}
public Contact Add(Contact contact)
{
//Validate
if (contact == null || !contact.Validate())
{
throw new ArgumentNullException(nameof(contact));
}
//Game names must be unique
var existing = FindByName(contact.Name);
if (existing != null)
{
throw new Exception("Contact must be unique.");
}
for (var index = 0; index < _items.Length; ++index)
{
if (_items[index] == null)
{
contact.Id = ++_nextId;
_items[index] = Clone(contact);
break;
}
;
}
;
return(contact);
}
public Contact Add(Contact contact)
{
if (contact == null)
{
throw new ArgumentNullException(nameof(contact));
}
if (!contact.Validate())
{
throw new Exception("Contact is invalid.");
}
// names must be unique
var existing = GetIndex(contact.Name);
if (existing >= 0)
{
throw new Exception("Contact must be unique.");
}
contact.Id = ++_nextId;
_items.Add(Clone(contact));
return(contact);
}
