public void BuildRarityItems()
{
foreach (var cardItem in Cards)
{
if (!(Rarities.FirstOrDefault(x => x.Rarity == cardItem.MagicCard.rarity) is OLVRarityItem rarityItem))
{
rarityItem = new OLVRarityItem(this, cardItem.MagicCard.Edition, cardItem.MagicCard.rarity);
Rarities.Add(rarityItem);
Rarities.Sort();
}
rarityItem.Cards.Add(cardItem);
}
}
public void AddRarity(OLVRarityItem rarity)
{
Rarities.Add(rarity);
}