public async Task <IActionResult> TryPurchaseItem(ItemPurchaseRequestDTO purchaseRequest)
{
var result = await _characterService.TryPurchaseItem(purchaseRequest);
switch (result.Result)
{
case GoldExpenseResult.Authorized: return(Ok(result));
case GoldExpenseResult.ItemNotFound:
case GoldExpenseResult.CharacterNotFound: return(NotFound(result));
default: return(BadRequest(result));
}
}
public ItemPurchase(ItemPurchaseRequestDTO purchaseRequest) : base(purchaseRequest)
{
RequestedQuantity = purchaseRequest.Quantity;
}
public async Task <ItemPurchaseResponseDTO> TryPurchaseItem(ItemPurchaseRequestDTO purchaseRequest)
{
var purchase = new ItemPurchase(purchaseRequest);
do
{
if (purchaseRequest.Quantity <= 0)
{
purchase.Result = GoldExpenseResult.BadRequest;
break;
}
var item = await _itemsRepo.GetItemAsync(purchaseRequest.ItemName);
if (item == null || item.MaxQuantity == 0)
{
purchase.Result = GoldExpenseResult.ItemNotFound;
break;
}
purchase.Item = item;
purchase.ExpenseRequested = item.Cost * purchase.RequestedQuantity;
var character = await _characterRepo.GetCharacterItemsAsync(purchase.CharacterId);
if (character == null)
{
purchase.Result = GoldExpenseResult.CharacterNotFound;
break;
}
var characterItem = character.Items.FirstOrDefault(i => i.Item.Name == item.Name);
if (item.MaxQuantity > 0 && purchase.RequestedQuantity + characterItem?.Quantity > item.MaxQuantity)
{
purchase.Result = GoldExpenseResult.ReachedItemMaxQuantity;
break;
}
purchase = (ItemPurchase) await TryExpendGoldInternal(purchase, saveChanges : false);
if (purchase.Result == GoldExpenseResult.Authorized)
{
purchase.Item = item;
purchase.PurchasedQuantity = purchase.RequestedQuantity;
if (characterItem == null)
{
character.Items.Add(new InventoryItem(purchase.Item, purchase.PurchasedQuantity, false));
}
else
{
characterItem.Quantity += purchase.PurchasedQuantity;
}
await _characterRepo.SaveChangesAsync();
}
} while (false);
return(_mapper.Map <ItemPurchaseResponseDTO>(purchase));
}