/// <summary>
/// Accepts a pending trade offer.
/// </summary>
/// <param name="trade">A 'TradeStatus' object</param>
/// <returns>True if successful, false if not</returns>
public bool AcceptTrade(Trade.TradeStatus trade)
{
int tradeId = trade.tradeid;
var url = "https://steamcommunity.com/tradeoffer/" + tradeId + "/accept";
var referer = "http://steamcommunity.com/tradeoffer/" + tradeId + "/";
var sessionid = SessionId;
var data = new NameValueCollection();
data.Add("sessionid", sessionid);
data.Add("tradeofferid", tradeId.ToString());
data.Add("partner", trade.them.steamId.ConvertToUInt64().ToString());
string response = RetryWebRequest(url, "POST", data, Cookies, true, referer);
if (string.IsNullOrEmpty(response))
{
return(ValidateTradeAccept(trade));
}
else
{
try
{
dynamic json = JsonConvert.DeserializeObject(response);
var id = json.tradeid;
return(true);
}
catch
{
return(ValidateTradeAccept(trade));
}
}
}
/// <summary>
/// Manually validate if a trade offer went through by checking /inventoryhistory/
/// </summary>
/// <param name="trade">A 'TradeStatus' object</param>
/// <returns>True if the trade offer was successfully accepted, false if otherwise</returns>
public bool ValidateTradeAccept(Trade.TradeStatus trade)
{
var history = GetTradeHistory(1);
foreach (var completedTrade in history)
{
var givenItems = new List <Trade.TradeAsset>();
foreach (var myItem in trade.me.assets)
{
var genericItem = new Trade.TradeAsset(myItem.appid, myItem.contextid, myItem.assetid, myItem.amount);
givenItems.Add(genericItem);
}
var receivedItems = new List <Trade.TradeAsset>();
foreach (var otherItem in trade.them.assets)
{
var genericItem = new Trade.TradeAsset(otherItem.appid, otherItem.contextid, otherItem.assetid, otherItem.amount);
receivedItems.Add(genericItem);
}
if (givenItems.Count == completedTrade.GivenItems.Count && receivedItems.Count == completedTrade.ReceivedItems.Count)
{
foreach (var item in completedTrade.GivenItems)
{
var genericItem = new Trade.TradeAsset(item.appid, item.contextid, item.assetid, item.amount);
if (!givenItems.Contains(genericItem))
{
return(false);
}
}
foreach (var item in completedTrade.ReceivedItems)
{
var genericItem = new Trade.TradeAsset(item.appid, item.contextid, item.assetid, item.amount);
if (!receivedItems.Contains(genericItem))
{
return(false);
}
}
return(true);
}
}
return(false);
}
/// <summary>
/// Declines a pending trade offer
/// </summary>
/// <param name="trade">A 'TradeStatus' object</param>
/// <returns>True if successful, false if not</returns>
public bool DeclineTrade(Trade.TradeStatus trade)
{
var url = "https://steamcommunity.com/tradeoffer/" + trade.tradeid + "/decline";
var referer = "http://steamcommunity.com/";
var sessionid = SessionId;
var data = new NameValueCollection();
data.Add("sessionid", sessionid);
string response = RetryWebRequest(url, "POST", data, Cookies, true, referer);
try
{
dynamic json = JsonConvert.DeserializeObject(response);
var id = json.tradeofferid;
}
catch
{
return(false);
}
return(true);
}