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GameServer/Contents/Nickname/Action/NicknameAction.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+using NICKNAME = System.String;
+
+
+namespace GameServer;
+
+public class NicknameAction : EntityActionBase
+{
+    public NicknameAction(Player owner)
+        : base(owner)
+    {
+    }
+
+    public override async Task<Result> onInit()
+    {
+        await Task.CompletedTask;
+
+        var result = new Result();
+
+        return result;
+    }
+
+    public override void onClear()
+    {
+        return;
+    }
+
+    public bool isCreatedNickname()
+    {
+        var owner = getOwner();
+        ArgumentNullException.ThrowIfNull(owner);
+
+        var nickname_attr = owner.getEntityAttribute<NicknameAttribute>();
+        ArgumentNullException.ThrowIfNull(nickname_attr);
+
+        var nickname = nickname_attr.Nickname;
+        if (true == nickname.isNullOrWhiteSpace())
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public async Task<Result> tryChangeNickname(NICKNAME newNickname)
+    {
+        var player = getOwner() as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var server_logic = GameServerApp.getServerLogic();
+
+        var nickname_attribute = player.getEntityAttribute<NicknameAttribute>();
+        NullReferenceCheckHelper.throwIfNull(nickname_attribute, () => $"nickname_attribute is null !!! - {player.toBasicString()}");
+
+        var del_user_nickname_registry_doc = new UserNicknameRegistryDoc(nickname_attribute.Nickname);
+        result = await del_user_nickname_registry_doc.deleteDoc4Query();
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        var new_user_nickname_registry_doc = new UserNicknameRegistryDoc(newNickname);
+        result = await new_user_nickname_registry_doc.newDoc4Query();
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        var new_doc_user_nickname_attrib = new_user_nickname_registry_doc.getAttrib<UserNicknameRegistryAttrib>();
+        ArgumentNullException.ThrowIfNull(new_doc_user_nickname_attrib, $"new_doc_user_nickname_attrib is null !!! - {player.toBasicString()}");
+
+        var account_attribute = player.getEntityAttribute<AccountAttribute>();
+        ArgumentNullException.ThrowIfNull(account_attribute);
+
+        new_doc_user_nickname_attrib.Nickname = newNickname;
+        new_doc_user_nickname_attrib.UserGuid = player.getUserGuid();
+        new_doc_user_nickname_attrib.AccountId = account_attribute.AccountId;
+
+        nickname_attribute.Nickname = newNickname;
+        nickname_attribute.modifiedEntityAttribute();
+
+        var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.CheatCommandChangeNickName
+                                                           , server_logic.getDynamoDbClient());
+        {
+            batch.addQuery(new DBQEntityDelete(del_user_nickname_registry_doc));
+            batch.addQuery(new DBQEntityWrite(new_user_nickname_registry_doc));
+            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
+        }
+
+        result = await QueryHelper.sendQueryAndBusinessLog(batch);
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        return result;
+    }
+
+    public NICKNAME getNickname()
+    {
+        var owner = getOwner();
+        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");
+
+        var nickname_attribute = owner.getEntityAttribute<NicknameAttribute>();
+        ArgumentNullException.ThrowIfNull(nickname_attribute, $"nickname_attribute is null !!! - {owner.toBasicString()}");
+
+        return nickname_attribute.Nickname;
+    }
+
+    public ServerErrorCode send_GS2C_NTF_NICKNAME_CHANGE(string nickName)
+    {
+        var owner = getOwner() as Player;
+        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");
+
+        ClientToGame ntf_packet = new();
+        ntf_packet.Message = new();
+        ntf_packet.Message.ChangeNickNameNoti = new();
+        ntf_packet.Message.ChangeNickNameNoti.Guid = owner.getUserGuid();
+        ntf_packet.Message.ChangeNickNameNoti.NickName = nickName;
+
+        var game_zone_action = owner.getEntityAction<GameZoneAction>();
+        ArgumentNullException.ThrowIfNull(game_zone_action, $"game_zone_action is null !!! - {owner.toBasicString()}");
+
+        game_zone_action.broadcast(owner, ntf_packet);
+
+        return ServerErrorCode.Success;
+    }
+
+}