Core/ChatCommands: AccountIdentifier from current target

(cherry picked from commit 8ee92147a5)

src/server/game/Chat/ChatCommands/ChatCommandTags.cpp

@@ -24,6 +24,8 @@
 #include "ObjectAccessor.h"
 #include "ObjectMgr.h"
 #include "Player.h"
+#include "World.h"
+#include "WorldSession.h"
 
 using namespace Trinity::Impl::ChatCommands;
 
@@ -58,6 +60,9 @@ ChatCommandResult Trinity::ChatCommands::QuotedString::TryConsume(ChatHandler co
     return std::nullopt;
 }
 
+Trinity::ChatCommands::AccountIdentifier::AccountIdentifier(WorldSession& session)
+    : _id(session.GetAccountId()), _name(session.GetAccountName()), _session(&session) {}
+
 ChatCommandResult Trinity::ChatCommands::AccountIdentifier::TryConsume(ChatHandler const* handler, std::string_view args)
 {
     std::string_view text;
@@ -70,6 +75,7 @@ ChatCommandResult Trinity::ChatCommands::AccountIdentifier::TryConsume(ChatHandl
     if (!Utf8ToUpperOnlyLatin(_name))
         return GetTrinityString(handler, LANG_CMDPARSER_INVALID_UTF8);
     _id = AccountMgr::GetId(_name);
+    _session = sWorld->FindSession(_id);
     if (_id) // account with name exists, we are done
         return next;
 
@@ -78,6 +84,7 @@ ChatCommandResult Trinity::ChatCommands::AccountIdentifier::TryConsume(ChatHandl
     if (!id)
         return FormatTrinityString(handler, LANG_CMDPARSER_ACCOUNT_NAME_NO_EXIST, STRING_VIEW_FMT_ARG(_name));
     _id = *id;
+    _session = sWorld->FindSession(_id);
 
     if (AccountMgr::GetName(_id, _name))
         return next;
@@ -85,6 +92,15 @@ ChatCommandResult Trinity::ChatCommands::AccountIdentifier::TryConsume(ChatHandl
         return FormatTrinityString(handler, LANG_CMDPARSER_ACCOUNT_ID_NO_EXIST, _id);
 }
 
+Optional<Trinity::ChatCommands::AccountIdentifier> Trinity::ChatCommands::AccountIdentifier::FromTarget(ChatHandler* handler)
+{
+    if (Player* player = handler->GetPlayer())
+        if (Player* target = player->GetSelectedPlayer())
+            if (WorldSession* session = target->GetSession())
+                return { *session };
+    return std::nullopt;
+}
+
 ChatCommandResult Trinity::ChatCommands::PlayerIdentifier::TryConsume(ChatHandler const* handler, std::string_view args)
 {
     Variant<Hyperlink<player>, ObjectGuid::LowType, std::string_view> val;

src/server/game/Chat/ChatCommands/ChatCommandTags.h

@@ -36,6 +36,7 @@
 
 class ChatHandler;
 class Player;
+class WorldSession;
 
 namespace Trinity::Impl::ChatCommands
 {
@@ -150,18 +151,26 @@ namespace Trinity::ChatCommands
     {
         using value_type = uint32;
 
+        AccountIdentifier() : _id(), _name(), _session(nullptr) {}
+        AccountIdentifier(WorldSession& session);
+
         operator uint32() const { return _id; }
         operator std::string const& () const { return _name; }
         operator std::string_view() const { return _name; }
 
         uint32 GetID() const { return _id; }
         std::string const& GetName() const { return _name; }
+        bool IsConnected() { return _session != nullptr; }
+        WorldSession* GetConnectedSession() { return _session; }
 
         ChatCommandResult TryConsume(ChatHandler const* handler, std::string_view args);
 
+        static Optional<AccountIdentifier> FromTarget(ChatHandler* handler);
+
         private:
             uint32 _id;
             std::string _name;
+            WorldSession* _session;
     };
 
     struct TC_GAME_API PlayerIdentifier : Trinity::Impl::ChatCommands::ContainerTag