public void Create(string accountId, string buddyId)
{
if (Version > 0)
{
throw new InvalidOperationException($"Buddy with Id {accountId} already exists");
}
var e = new BuddyCreated(accountId, buddyId);
Publish(e);
}
private void When(BuddyCreated e)
{
Id = e.Id;
_genreIds = new List <string>();
_tasks = new List <Task>();
}
