private string BuyItem(int?itemId, int?ninjaId)
{
Item itemToBuy = _db.Items.Find(itemId);
List <Ninja> ninjas = _db.Ninjas.Include("itemOfNinjas").ToList();
Ninja ninja = ninjas.Where(n => n.Id == ninjaId).First();
if (ninja.itemOfNinjas.Count() != 0)
{
foreach (var item in ninja.itemOfNinjas)
{
var tempItem = _db.Items.Find(item.ItemId);
if (tempItem.CategoryId == itemToBuy.CategoryId)
{
return("Cannot buy this item: Already have a Item of this kind!");
}
}
}
ItemOfNinja connection = new ItemOfNinja {
NinjaId = ninja.Id, ItemId = itemToBuy.Id
};
if (ninja.Gold - itemToBuy.Value < 0)
{
return("Cannot buy this item: Not enough gold!");
}
ninja.Gold -= itemToBuy.Value;
_db.ItemOfNinjas.Add(connection);
_db.SaveChanges();
return(null);
}
private void SellItem(int?itemId, int?ninjaId)
{
Item itemToSell = _db.Items.Find(itemId);
Ninja ninja = _db.Ninjas.Find(ninjaId);
ItemOfNinja connection = _db.ItemOfNinjas.Where(i => i.ItemId == itemId && i.NinjaId == ninjaId).First();
ninja.Gold += itemToSell.Value;
_db.ItemOfNinjas.Remove(connection);
_db.SaveChanges();
}
