public Trade(TradeOffers tradeOffers, SteamID partnerId, SteamWeb steamWeb)
{
_tradeOffers = tradeOffers;
_partnerId = partnerId;
_steamWeb = steamWeb;
tradeStatus = new TradeStatus
{
version = 1,
newversion = true
};
tradeStatus.me = new TradeStatusUser(ref tradeStatus);
tradeStatus.them = new TradeStatusUser(ref tradeStatus);
}
/// <summary>
/// Send the current trade offer.
/// </summary>
/// <param name="message">Message to send with trade offer.</param>
/// <param name="token">Optional trade offer token.</param>
/// <exception cref="TradeOfferSteamException">Thrown when Steam gives an unexpected response.</exception>
/// <returns>ID of the newly created trade offer.</returns>
public ulong SendTrade(string message, string token = "")
{
const string url = "https://steamcommunity.com/tradeoffer/new/send";
var referer = "https://steamcommunity.com/tradeoffer/new/?partner=" + _partnerId.AccountID;
var data = new NameValueCollection
{
{ "sessionid", _steamWeb.SessionId },
{ "serverid", "1" },
{ "partner", _partnerId.ConvertToUInt64().ToString() },
{ "tradeoffermessage", message },
{ "json_tradeoffer", JsonConvert.SerializeObject(tradeStatus) },
{
"trade_offer_create_params",
token == "" ? "{}" : "{\"trade_offer_access_token\":\"" + token + "\"}"
}
};
dynamic jsonResponse;
try
{
var response = TradeOffers.RetryWebRequest(_steamWeb, url, "POST", data, true, referer);
jsonResponse = JsonConvert.DeserializeObject <dynamic>(response);
}
catch
{
throw new TradeOfferSteamException();
}
if (jsonResponse.strError != null)
{
throw new TradeOfferSteamException(jsonResponse.strError);
}
try
{
ulong tradeOfferId = Convert.ToUInt64(jsonResponse.tradeofferid);
_tradeOffers.AddPendingTradeOfferToList(tradeOfferId);
return(tradeOfferId);
}
catch
{
throw new TradeOfferSteamException();
}
}