Big update.

src/strategy/actions/MailAction.h

@@ -0,0 +1,39 @@
+/*
+ * 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_MAILACTION_H
+#define _PLAYERBOT_MAILACTION_H
+
+#include "InventoryAction.h"
+
+class ObjectGuid;
+class PlayerbotAI;
+
+struct Mail;
+
+class MailProcessor
+{
+    public:
+        virtual bool Before(PlayerbotAI* botAI) { return true; }
+        virtual bool Process(uint32 index, Mail* mail, PlayerbotAI* botAI) = 0;
+        virtual bool After(PlayerbotAI* botAI) { return true; }
+
+        static ObjectGuid FindMailbox(PlayerbotAI* botAI);
+
+    protected:
+        void RemoveMail(Player* bot, uint32 id, ObjectGuid mailbox);
+};
+
+class MailAction : public InventoryAction
+{
+    public:
+        MailAction(PlayerbotAI* botAI) : InventoryAction(botAI, "mail") { }
+
+        bool Execute(Event event) override;
+
+    private:
+        static std::map<std::string, MailProcessor*> processors;
+};
+
+#endif