Big update.

src/strategy/actions/WtsAction.cpp

@@ -0,0 +1,58 @@
+/*
+ * 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.
+ */
+
+#include "WtsAction.h"
+#include "Event.h"
+#include "ItemVisitors.h"
+#include "ItemUsageValue.h"
+#include "AiFactory.h"
+#include "Playerbots.h"
+
+bool WtsAction::Execute(Event event)
+{
+    Player* owner = event.getOwner();
+    if (!owner)
+        return false;
+
+    std::ostringstream out;
+    std::string const text = event.getParam();
+
+    if (!sRandomPlayerbotMgr->IsRandomBot(bot))
+        return false;
+
+    std::string const link = event.getParam();
+
+    ItemIds itemIds = chat->parseItems(link);
+    if (itemIds.empty())
+        return false;
+
+    for (ItemIds::iterator i = itemIds.begin(); i != itemIds.end(); i++)
+    {
+        uint32 itemId = *i;
+        ItemTemplate const* proto = sObjectMgr->GetItemTemplate(itemId);
+        if (!proto)
+            continue;
+
+        std::ostringstream out;
+        out << itemId;
+        ItemUsage usage = AI_VALUE2(ItemUsage, "item usage", out.str());
+        if (usage == ITEM_USAGE_NONE)
+            continue;
+
+        int32 buyPrice = proto->BuyPrice * sRandomPlayerbotMgr->GetBuyMultiplier(bot);
+        if (!buyPrice)
+            continue;
+
+        if (urand(0, 15) > 2)
+            continue;
+
+        std::ostringstream tell;
+        tell << "I'll buy " << chat->FormatItem(proto) << " for " << chat->formatMoney(buyPrice);
+
+        // ignore random bot chat filter
+        bot->Whisper(tell.str(), LANG_UNIVERSAL, owner);
+    }
+
+    return true;
+}