From 9a253de7e70bec4de1d0ccbbfe0dde9aa8da61fa Mon Sep 17 00:00:00 2001
From: westzeroright <kt8267@naver.com>
Date: Tue, 31 Dec 2024 16:05:59 +0900
Subject: [PATCH] =?UTF-8?q?feat(api-query-jpa):=20memberviewer=20=EA=B5=AC?=
 =?UTF-8?q?=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../api_query_jpa/member/MemberJpaViewer.java | 13 ------
 .../member/MemberViewerImpl.java              | 42 +++++++++++++++++++
 2 files changed, 42 insertions(+), 13 deletions(-)
 delete mode 100644 modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberJpaViewer.java
 create mode 100644 modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberViewerImpl.java

diff --git a/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberJpaViewer.java b/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberJpaViewer.java
deleted file mode 100644
index e7c202b7..00000000
--- a/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberJpaViewer.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.whoz_in.api_query_jpa.member;
-
-import com.whoz_in.main_api.query.member.application.MemberAuthInfo;
-import com.whoz_in.main_api.query.member.application.MemberViewer;
-import java.util.Optional;
-
-public class MemberJpaViewer implements MemberViewer {
-
-    @Override
-    public Optional<MemberAuthInfo> findAuthInfoByLoginId(String loginId) {
-        return Optional.empty();
-    }
-}
diff --git a/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberViewerImpl.java b/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberViewerImpl.java
new file mode 100644
index 00000000..bbbbd032
--- /dev/null
+++ b/modules/infrastructure/api-query-jpa/src/main/java/com/whoz_in/api_query_jpa/member/MemberViewerImpl.java
@@ -0,0 +1,42 @@
+package com.whoz_in.api_query_jpa.member;
+
+import com.whoz_in.main_api.query.member.application.MemberAuthInfo;
+import com.whoz_in.main_api.query.member.application.MemberViewer;
+import java.nio.ByteBuffer;
+import java.util.Optional;
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import org.springframework.jdbc.core.simple.JdbcClient;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class MemberViewerImpl implements MemberViewer {
+
+    private final JdbcClient jdbcClient;
+
+    @Override
+    public Optional<MemberAuthInfo> findAuthInfoByLoginId(String loginId) {
+        String sql = "select id, login_id, password from member_entity where login_id = ?";
+
+        return jdbcClient.sql(sql)
+                .param(loginId)
+                .query((rs, rowNum) -> {
+                    byte[] idBlob = rs.getBytes("id");
+                    UUID id = convertBlobToUUID(idBlob);
+
+                    return new MemberAuthInfo(
+                            id,
+                            rs.getString("login_id"),
+                            rs.getString("password")
+                    );
+                }).optional();
+    }
+
+    private UUID convertBlobToUUID(byte[] blob) {
+        ByteBuffer buffer = ByteBuffer.wrap(blob);
+        long mostSigBits = buffer.getLong();
+        long leastSigBits = buffer.getLong();
+        return new UUID(mostSigBits, leastSigBits);
+    }
+}