Big update.

src/strategy/actions/TradeStatusAction.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#ifndef _PLAYERBOT_TRADESTATUSACTION_H
+#define _PLAYERBOT_TRADESTATUSACTION_H
+
+#include "QueryItemUsageAction.h"
+
+class Player;
+class PlayerbotAI;
+
+class TradeStatusAction : public QueryItemUsageAction
+{
+    public:
+        TradeStatusAction(PlayerbotAI* botAI) : QueryItemUsageAction(botAI, "accept trade") { }
+
+        bool Execute(Event event) override;
+
+    private:
+        void BeginTrade();
+        bool CheckTrade();
+        int32 CalculateCost(Player* player, bool sell);
+};
+
+#endif