CWX
453 lines
17 KiB
C#
453 lines
17 KiB
C#
using System.Text.RegularExpressions;
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using SPTarkov.Common.Annotations;
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using SPTarkov.Server.Core.Models.Eft.Common;
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using SPTarkov.Server.Core.Models.Eft.Common.Tables;
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using SPTarkov.Server.Core.Models.Eft.Inventory;
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using SPTarkov.Server.Core.Models.Eft.ItemEvent;
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using SPTarkov.Server.Core.Models.Eft.Trade;
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using SPTarkov.Server.Core.Models.Enums;
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using SPTarkov.Server.Core.Models.Utils;
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using SPTarkov.Server.Core.Servers;
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using SPTarkov.Server.Core.Services;
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using SPTarkov.Server.Core.Utils;
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using SPTarkov.Server.Core.Utils.Cloners;
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using LogLevel = SPTarkov.Server.Core.Models.Spt.Logging.LogLevel;
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namespace SPTarkov.Server.Core.Helpers;
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[Injectable]
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public class TradeHelper(
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ISptLogger<TradeHelper> _logger,
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DatabaseService _databaseService,
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TraderHelper _traderHelper,
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ItemHelper _itemHelper,
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PaymentService _paymentService,
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FenceService _fenceService,
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LocalisationService _localisationService,
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HttpResponseUtil _httpResponseUtil,
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InventoryHelper _inventoryHelper,
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RagfairServer _ragfairServer,
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TraderAssortHelper _traderAssortHelper,
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TraderPurchasePersisterService _traderPurchasePersisterService,
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ICloner _cloner
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)
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{
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/// <summary>
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/// Buy item from flea or trader
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/// </summary>
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/// <param name="pmcData">Player profile</param>
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/// <param name="buyRequestData">data from client</param>
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/// <param name="sessionID">Session id</param>
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/// <param name="foundInRaid">Should item be found in raid</param>
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/// <param name="output">Item event router response</param>
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public void BuyItem(
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PmcData pmcData,
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ProcessBuyTradeRequestData buyRequestData,
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string sessionID,
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bool foundInRaid,
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ItemEventRouterResponse output
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)
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{
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List<Item> offerItems = [];
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Action<int>? buyCallback;
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if (string.Equals(buyRequestData.TransactionId, "ragfair", StringComparison.OrdinalIgnoreCase))
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{
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// Called when player purchases PMC offer from ragfair
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buyCallback = buyCount =>
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{
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var allOffers = _ragfairServer.GetOffers();
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// We store ragfair offerId in buyRequestData.item_id
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var offerWithItem = allOffers.FirstOrDefault(x => x.Id == buyRequestData.ItemId);
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var itemPurchased = offerWithItem.Items.FirstOrDefault();
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// Ensure purchase does not exceed trader item limit
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var assortHasBuyRestrictions = _itemHelper.HasBuyRestrictions(itemPurchased);
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if (assortHasBuyRestrictions)
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{
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CheckPurchaseIsWithinTraderItemLimit(
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sessionID,
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pmcData,
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buyRequestData.TransactionId,
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itemPurchased,
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buyRequestData.ItemId,
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buyCount
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);
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// Decrement trader item count
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var itemPurchaseDetails = new PurchaseDetails
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{
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Items =
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[
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new PurchaseItems
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{
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ItemId = buyRequestData.ItemId,
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Count = buyCount
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}
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],
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TraderId = buyRequestData.TransactionId
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};
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_traderHelper.AddTraderPurchasesToPlayerProfile(sessionID, itemPurchaseDetails, itemPurchased);
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}
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};
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// buyCallback = BuyCallback1;
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// Get raw offer from ragfair, clone to prevent altering offer itself
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var allOffers = _ragfairServer.GetOffers();
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var offerWithItemCloned = _cloner.Clone(allOffers.FirstOrDefault(x => x.Id == buyRequestData.ItemId));
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offerItems = offerWithItemCloned.Items;
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}
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else if (buyRequestData.TransactionId == Traders.FENCE)
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{
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buyCallback = buyCount =>
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{
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// Update assort/flea item values
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var traderAssorts = _traderHelper.GetTraderAssortsByTraderId(buyRequestData.TransactionId).Items;
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var itemPurchased = traderAssorts.FirstOrDefault(assort => assort.Id == buyRequestData.ItemId);
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// Decrement trader item count
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itemPurchased.Upd.StackObjectsCount -= buyCount;
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_fenceService.AmendOrRemoveFenceOffer(buyRequestData.ItemId, buyCount);
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};
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var fenceItems = _fenceService.GetRawFenceAssorts().Items;
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var rootItemIndex = fenceItems.FindIndex(item => item.Id == buyRequestData.ItemId);
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if (rootItemIndex == -1)
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{
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if (_logger.IsLogEnabled(LogLevel.Debug))
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{
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_logger.Debug($"Tried to buy item {buyRequestData.ItemId} from fence that no longer exists");
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}
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var message = _localisationService.GetText("ragfair-offer_no_longer_exists");
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_httpResponseUtil.AppendErrorToOutput(output, message);
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return;
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}
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offerItems = _itemHelper.FindAndReturnChildrenAsItems(fenceItems, buyRequestData.ItemId);
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}
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else
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{
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buyCallback = buyCount =>
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{
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// Update assort/flea item values
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var traderAssorts = _traderHelper.GetTraderAssortsByTraderId(buyRequestData.TransactionId).Items;
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var itemPurchased = traderAssorts.FirstOrDefault(item => item.Id == buyRequestData.ItemId);
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// Ensure purchase does not exceed trader item limit
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var assortHasBuyRestrictions = _itemHelper.HasBuyRestrictions(itemPurchased);
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if (assortHasBuyRestrictions)
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// Will throw error if check fails
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{
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CheckPurchaseIsWithinTraderItemLimit(
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sessionID,
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pmcData,
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buyRequestData.TransactionId,
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itemPurchased,
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buyRequestData.ItemId,
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buyCount
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);
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}
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// Check if trader has enough stock
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if (itemPurchased.Upd.StackObjectsCount < buyCount)
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{
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throw new Exception(
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$"Unable to purchase {buyCount} items, this would exceed the remaining stock left {itemPurchased.Upd.StackObjectsCount} from the traders assort: {buyRequestData.TransactionId} this refresh"
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);
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}
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// Decrement trader item count
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itemPurchased.Upd.StackObjectsCount -= buyCount;
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if (assortHasBuyRestrictions)
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{
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var itemPurchaseDat = new PurchaseDetails
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{
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Items =
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[
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new PurchaseItems
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{
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ItemId = buyRequestData.ItemId,
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Count = buyCount
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}
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],
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TraderId = buyRequestData.TransactionId
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};
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_traderHelper.AddTraderPurchasesToPlayerProfile(sessionID, itemPurchaseDat, itemPurchased);
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}
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};
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// Get all trader assort items
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var traderItems = _traderAssortHelper.GetAssort(sessionID, buyRequestData.TransactionId).Items;
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// Get item + children for purchase
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var relevantItems = _itemHelper.FindAndReturnChildrenAsItems(traderItems, buyRequestData.ItemId);
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if (relevantItems.Count == 0)
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{
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_logger.Error($"Purchased trader: {buyRequestData.TransactionId} offer: {buyRequestData.ItemId} has no items");
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}
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offerItems.AddRange(relevantItems);
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}
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// Get item details from db
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var itemDbDetails = _itemHelper.GetItem(offerItems.FirstOrDefault().Template).Value;
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var itemMaxStackSize = itemDbDetails.Properties.StackMaxSize;
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var itemsToSendTotalCount = buyRequestData.Count;
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var itemsToSendRemaining = itemsToSendTotalCount;
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// Construct array of items to send to player
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List<List<Item>> itemsToSendToPlayer = [];
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while (itemsToSendRemaining > 0)
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{
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var offerClone = _cloner.Clone(offerItems);
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// Handle stackable items that have a max stack size limit
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var itemCountToSend = Math.Min(itemMaxStackSize ?? 0, itemsToSendRemaining ?? 0);
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offerClone.FirstOrDefault().Upd.StackObjectsCount = itemCountToSend;
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// Prevent any collisions
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_itemHelper.RemapRootItemId(offerClone);
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if (offerClone.Count > 1)
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{
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_itemHelper.ReparentItemAndChildren(offerClone.FirstOrDefault(), offerClone);
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}
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itemsToSendToPlayer.Add(offerClone);
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// Remove amount of items added to player stash
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itemsToSendRemaining -= itemCountToSend;
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}
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// Construct request
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var request = new AddItemsDirectRequest
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{
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ItemsWithModsToAdd = itemsToSendToPlayer,
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FoundInRaid = foundInRaid,
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Callback = buyCallback,
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UseSortingTable = false
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};
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// Add items + their children to stash
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_inventoryHelper.AddItemsToStash(sessionID, request, pmcData, output);
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if (output.Warnings?.Count > 0)
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{
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return;
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}
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/// Pay for purchase
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_paymentService.PayMoney(pmcData, buyRequestData, sessionID, output);
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if (output.Warnings?.Count > 0)
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{
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var errorMessage = $"Transaction failed: {output.Warnings.FirstOrDefault().ErrorMessage}";
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_httpResponseUtil.AppendErrorToOutput(output, errorMessage, BackendErrorCodes.UnknownTradingError);
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}
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}
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/// <summary>
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/// Sell item to trader
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/// </summary>
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/// <param name="profileWithItemsToSell">Profile to remove items from</param>
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/// <param name="profileToReceiveMoney">Profile to accept the money for selling item</param>
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/// <param name="sellRequest">Request data</param>
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/// <param name="sessionID">Session id</param>
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/// <param name="output">Item event router response</param>
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public void sellItem(
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PmcData profileWithItemsToSell,
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PmcData profileToReceiveMoney,
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ProcessSellTradeRequestData sellRequest,
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string sessionID,
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ItemEventRouterResponse output
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)
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{
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// TODO - make more generic to support all quests that have this condition type
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// Try to reduce perf hit as this is expensive to do every sale
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// MUST OCCUR PRIOR TO ITEMS BEING REMOVED FROM INVENTORY
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if (sellRequest.TransactionId == Traders.RAGMAN)
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// Edge case, `Circulate` quest needs to track when certain items are sold to him
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{
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IncrementCirculateSoldToTraderCounter(profileWithItemsToSell, profileToReceiveMoney, sellRequest);
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}
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const string pattern = @"\s+";
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// Find item in inventory and remove it
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foreach (var itemToBeRemoved in sellRequest.Items)
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{
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var itemIdToFind = Regex.Replace(itemToBeRemoved.Id, pattern, ""); // Strip out whitespace
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// Find item in player inventory, or show error to player if not found
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var matchingItemInInventory = profileWithItemsToSell.Inventory.Items.FirstOrDefault(x => x.Id == itemIdToFind);
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if (matchingItemInInventory is null)
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{
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var errorMessage = $"Unable to sell item {itemToBeRemoved.Id}, cannot be found in player inventory";
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_logger.Error(errorMessage);
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_httpResponseUtil.AppendErrorToOutput(output, errorMessage);
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return;
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}
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if (_logger.IsLogEnabled(LogLevel.Debug))
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{
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_logger.Debug($"Selling: id: {matchingItemInInventory.Id} tpl: {matchingItemInInventory.Template}");
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}
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if (sellRequest.TransactionId == Traders.FENCE)
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{
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_fenceService.AddItemsToFenceAssort(
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profileWithItemsToSell.Inventory.Items,
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matchingItemInInventory
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);
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}
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// Remove item from inventory + any child items it has
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_inventoryHelper.RemoveItem(profileWithItemsToSell, itemToBeRemoved.Id, sessionID, output);
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}
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// Give player money for sold item(s)
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_paymentService.GiveProfileMoney(profileToReceiveMoney, sellRequest.Price, sellRequest, output, sessionID);
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}
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protected void IncrementCirculateSoldToTraderCounter(
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PmcData profileWithItemsToSell,
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PmcData profileToReceiveMoney,
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ProcessSellTradeRequestData sellRequest
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)
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{
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const string circulateQuestId = "6663149f1d3ec95634095e75";
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var activeCirculateQuest = profileToReceiveMoney.Quests.FirstOrDefault(quest => quest.QId == circulateQuestId && quest.Status == QuestStatusEnum.Started
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);
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// Player not on Circulate quest ,exit
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if (activeCirculateQuest is null)
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{
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return;
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}
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// Find related task condition
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var taskCondition = profileToReceiveMoney.TaskConditionCounters.Values.FirstOrDefault(condition =>
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condition.SourceId == circulateQuestId && condition.Type == "SellItemToTrader"
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);
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// No relevant condtion in profile, nothing to increment
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if (taskCondition is null)
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{
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_logger.Error("Unable to find `sellToTrader` task counter for Circulate quest in profile, skipping");
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return;
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}
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// Condition exists in profile
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var circulateQuestDb = _databaseService.GetQuests();
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if (!circulateQuestDb.TryGetValue(circulateQuestId, out _))
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{
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_logger.Error($"Unable to find quest: {circulateQuestId} in db, skipping");
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return;
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}
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// Get sellToTrader condition from quest
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var sellItemToTraderCondition = circulateQuestDb[circulateQuestId]
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.Conditions.AvailableForFinish.FirstOrDefault(condition => condition.ConditionType == "SellItemToTrader"
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);
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// Quest doesnt have a sellItemToTrader condition, nothing to do
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if (sellItemToTraderCondition is null)
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{
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_logger.Error("Unable to find `sellToTrader` counter for Circulate quest in db, skipping");
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return;
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}
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// Iterate over items sold to trader
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var itemsTplsThatIncrement = sellItemToTraderCondition.Target;
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foreach (var itemSoldToTrader in sellRequest.Items)
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{
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// Get sold items' details from profile
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var itemDetails = profileWithItemsToSell.Inventory.Items.FirstOrDefault(inventoryItem => inventoryItem.Id == itemSoldToTrader.Id
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);
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if (itemDetails is null)
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{
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_logger.Error($"Unable to find item in inventory to sell to trader with id: {itemSoldToTrader.Id}, cannot increment counter, skipping");
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continue;
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}
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// Is sold item on the increment list
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if (itemsTplsThatIncrement.List.Contains(itemDetails.Template))
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{
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taskCondition.Value += itemSoldToTrader.Count;
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}
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}
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}
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/// <summary>
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/// Traders allow a limited number of purchases per refresh cycle (default 60 mins)
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/// </summary>
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/// <param name="sessionId">Session id</param>
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/// <param name="pmcData">Profile making the purchase</param>
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/// <param name="traderId">Trader assort is purchased from</param>
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/// <param name="assortBeingPurchased">the item from trader being bought</param>
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/// <param name="assortId">Id of assort being purchased</param>
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/// <param name="count">How many of the item are being bought</param>
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protected void CheckPurchaseIsWithinTraderItemLimit(
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string sessionId,
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PmcData pmcData,
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string traderId,
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Item assortBeingPurchased,
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string assortId,
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double count
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)
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{
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var traderPurchaseData = _traderPurchasePersisterService.GetProfileTraderPurchase(
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sessionId,
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traderId,
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assortBeingPurchased.Id
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);
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var traderItemPurchaseLimit = _traderHelper.GetAccountTypeAdjustedTraderPurchaseLimit(
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(double) assortBeingPurchased.Upd?.BuyRestrictionMax,
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pmcData.Info.GameVersion
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);
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if ((traderPurchaseData?.PurchaseCount ?? 0) + count > traderItemPurchaseLimit)
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{
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throw new Exception(
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$"Unable to purchase: {count} items, this would exceed your purchase limit of {traderItemPurchaseLimit} from the trader: {traderId} assort: {assortId} this refresh"
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);
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}
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}
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}
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public record PurchaseDetails
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{
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public List<PurchaseItems> Items
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{
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get;
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set;
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}
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public string TraderId
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{
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get;
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set;
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}
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}
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public record PurchaseItems
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{
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public string ItemId
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{
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get;
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set;
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}
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public double Count
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{
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get;
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set;
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}
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}
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