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GameServer/Contents/Mail/DbQuery/DBQMailReadAll.cs

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+using ServerCommon;
+using ServerCore; using ServerBase;
+
+namespace GameServer
+{
+    public class DBQMailReadAll : QueryExecutorBase
+    {
+        private string m_combination_key_for_pk = string.Empty;
+
+        private string m_sent_pk = string.Empty;
+        private string m_received_pk = string.Empty;
+
+        private readonly Dictionary<MailType, List<MailDoc>> m_to_read_mail_docs = new();
+
+        public DBQMailReadAll(string combinationKeyForPK)
+            : base(typeof(DBQMailReadAll).Name)
+        {
+            m_combination_key_for_pk = combinationKeyForPK;
+
+            m_to_read_mail_docs.Add(MailType.ReceivedMail, new List<MailDoc>());
+            m_to_read_mail_docs.Add(MailType.SentMail, new List<MailDoc>());
+        }
+
+        //=====================================================================================
+        // DB 쿼리 직전에 준비해야 할 로직들을 작성한다.
+        //=====================================================================================
+        public override Task<Result> onPrepareQuery()
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            var owner = getOwner();
+            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
+
+            var sent_doc = new SentMailDoc();
+            sent_doc.setCombinationKeyForPK(m_combination_key_for_pk);
+
+            var error_code = sent_doc.onApplyPKSK();
+            if (error_code.isFail())
+            {
+                err_msg = $"Failed to onApplyPKSK() !!! : {error_code.toBasicString()} - {toBasicString()}, {owner.toBasicString()}";
+                result.setFail(error_code, err_msg);
+                Log.getLogger().error(result.toBasicString());
+                return Task.FromResult(result);
+            }
+
+            m_sent_pk = sent_doc.getPK();
+            var received_doc = new ReceivedMailDoc();
+            received_doc.setCombinationKeyForPK(m_combination_key_for_pk);
+
+            error_code = received_doc.onApplyPKSK();
+            if (error_code.isFail())
+            {
+                err_msg = $"Failed to onApplyPKSK() !!! : {error_code.toBasicString()} - {toBasicString()}, {owner.toBasicString()}";
+                result.setFail(error_code, err_msg);
+                Log.getLogger().error(result.toBasicString());
+                return Task.FromResult(result);
+            }
+
+            m_received_pk = received_doc.getPK();
+            return Task.FromResult(result);
+        }
+
+        //=====================================================================================
+        // onPrepareQuery()를 성공할 경우 호출된다.
+        //=====================================================================================
+        public override async Task<Result> onQuery()
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            var owner = getOwner();
+            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
+
+            var query_batch = getQueryBatch();
+            NullReferenceCheckHelper.throwIfNull(query_batch, () => $"query_batch is null !!!");
+
+            var db_connector = query_batch.getDynamoDbConnector();
+            var sent_query_config = db_connector.makeQueryConfigForReadByPKOnly(m_sent_pk);
+
+            var mail_action = owner.getEntityAction<MailAction>();
+            NullReferenceCheckHelper.throwIfNull(mail_action, () => $"mail_action is null !!!");
+
+            (result, var sent_read_docs) = await db_connector.simpleQueryDocTypesWithQueryOperationConfig<SentMailDoc>(sent_query_config, eventTid: query_batch.getTransId());
+            if (result.isFail())
+            {
+                return result;
+            }
+
+            var received_query_config = db_connector.makeQueryConfigForReadByPKOnly(m_received_pk);
+
+            (result, var received_read_docs) = await db_connector.simpleQueryDocTypesWithQueryOperationConfig<ReceivedMailDoc>(received_query_config, eventTid: query_batch.getTransId());
+            if (result.isFail())
+            {
+                return result;
+            }
+
+            result = await mail_action.AddMailFromDocs(sent_read_docs);
+            if (result.isFail()) return result;
+
+            if (m_to_read_mail_docs.TryGetValue(MailType.SentMail, out var sentMailList))
+            {
+                sentMailList.AddRange(sent_read_docs);
+            }
+
+            result = await mail_action.AddMailFromDocs(received_read_docs);
+            if (result.isFail()) return result;
+
+            if (m_to_read_mail_docs.TryGetValue(MailType.ReceivedMail, out var receivedMailList))
+            {
+                receivedMailList.AddRange(received_read_docs);
+            }
+
+            return await Task.FromResult(result);
+        }
+
+        public Dictionary<MailType, List<MailDoc>> getToReadItemDocs() => m_to_read_mail_docs;
+
+        //=====================================================================================
+        // DB 쿼리를 성공하고, doFnCommit()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
+        //=====================================================================================
+        public override async Task onQueryResponseCommit()
+        {
+            await Task.CompletedTask;
+            return;
+        }
+
+        //=====================================================================================
+        // DB 쿼리를 실패하고, doFnRollback()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
+        //=====================================================================================
+        public override async Task onQueryResponseRollback(Result errorResult)
+        {
+            await Task.CompletedTask;
+            return;
+        }
+
+        public new Player? getOwner() => getQueryBatch()?.getLogActor() as Player;
+    }
+}