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GameServer/Contents/Language/Action/LanguageAction.cs

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+using GameServer.PacketHandler;
+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameServer
+{
+    public class LanguageAction : EntityActionBase
+    {
+        public LanguageAction(EntityBase owner) 
+            : base(owner)
+        {
+        }
+
+        public override Task<Result> onInit()
+        {
+            var result = new Result();
+
+            return Task.FromResult(result);
+        }
+
+        public override void onClear()
+        {
+            return;
+        }
+
+        public async Task<Result> saveLanguage(LanguageType language_type)
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            var player = getOwner() as Player;
+            NullReferenceCheckHelper.throwIfNull(player, () => "player is null !!!");
+            var server_logic = GameServerApp.getServerLogic();
+
+            var fn_save_language = async delegate ()
+            {
+                var result = new Result();
+
+                var account_attribute = player.getEntityAttribute<AccountAttribute>();
+                if (account_attribute == null)
+                {
+                    err_msg = $"Failed to get account attribute : {nameof(AccountAttribute)}";
+                    result.setFail(ServerErrorCode.EntityAttributeIsNull, err_msg);
+                    Log.getLogger().error(err_msg);
+                    SaveLanguagePacketHandler.send_S2C_ACK_SAVE_LANGUAGE(player, result);
+                    return result;
+                }
+
+                account_attribute.LanguageType = language_type;
+                account_attribute.modifiedEntityAttribute();
+
+                var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.UpdateLanguage
+                                                               , server_logic.getDynamoDbClient());
+                {
+                    batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
+                }
+
+                result = await QueryHelper.sendQueryAndBusinessLog(batch);
+                if (result.isFail())
+                {
+                    SaveLanguagePacketHandler.send_S2C_ACK_SAVE_LANGUAGE(player, result);
+                    return result;
+                }
+
+                SaveLanguagePacketHandler.send_S2C_ACK_SAVE_LANGUAGE(player, result);
+                return result;
+            };
+
+            result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "SaveLanguage", fn_save_language);
+            if (result.isFail())
+            {
+                err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {player.toBasicString()}";
+                Log.getLogger().error(err_msg);
+            }
+
+            return result;
+        }
+    }
+}