From aad8d3a4ff1f1383e2ae77b9e8f1277404341f87 Mon Sep 17 00:00:00 2001
From: pricelees <priceelees@gmail.com>
Date: Wed, 27 Aug 2025 16:15:56 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EC=83=88=EB=A1=9C=20=EC=82=AC=EC=9A=A9?=
 =?UTF-8?q?=ED=95=A0=20Auditing=20+=20PK=20BaseEntity=20=EB=B0=8F=20JPA=20?=
 =?UTF-8?q?AuditorAwareConfig=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../roomescape/common/config/JpaConfig.kt     | 25 +++++++++
 .../roomescape/common/entity/BaseEntityV2.kt  | 55 +++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 src/main/kotlin/roomescape/common/config/JpaConfig.kt
 create mode 100644 src/main/kotlin/roomescape/common/entity/BaseEntityV2.kt

diff --git a/src/main/kotlin/roomescape/common/config/JpaConfig.kt b/src/main/kotlin/roomescape/common/config/JpaConfig.kt
new file mode 100644
index 00000000..72f2620e
--- /dev/null
+++ b/src/main/kotlin/roomescape/common/config/JpaConfig.kt
@@ -0,0 +1,25 @@
+package roomescape.common.config
+
+import org.slf4j.MDC
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.data.domain.AuditorAware
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing
+import roomescape.auth.web.support.MDC_MEMBER_ID_KEY
+import java.util.*
+
+@Configuration
+@EnableJpaAuditing
+class JpaConfig {
+
+    @Bean
+    fun auditorAware(): AuditorAware<Long> = MdcAuditorAware()
+}
+
+class MdcAuditorAware : AuditorAware<Long> {
+    override fun getCurrentAuditor(): Optional<Long> {
+        val memberIdStr = MDC.get(MDC_MEMBER_ID_KEY)
+
+        return Optional.ofNullable(memberIdStr.toLongOrNull())
+    }
+}
diff --git a/src/main/kotlin/roomescape/common/entity/BaseEntityV2.kt b/src/main/kotlin/roomescape/common/entity/BaseEntityV2.kt
new file mode 100644
index 00000000..f0f94700
--- /dev/null
+++ b/src/main/kotlin/roomescape/common/entity/BaseEntityV2.kt
@@ -0,0 +1,55 @@
+package roomescape.common.entity
+
+import jakarta.persistence.Column
+import jakarta.persistence.EntityListeners
+import jakarta.persistence.Id
+import jakarta.persistence.MappedSuperclass
+import jakarta.persistence.PostLoad
+import jakarta.persistence.PrePersist
+import org.springframework.data.annotation.CreatedBy
+import org.springframework.data.annotation.CreatedDate
+import org.springframework.data.annotation.LastModifiedBy
+import org.springframework.data.annotation.LastModifiedDate
+import org.springframework.data.domain.Persistable
+import org.springframework.data.jpa.domain.support.AuditingEntityListener
+import java.time.LocalDateTime
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener::class)
+abstract class AuditingBaseEntity(
+    @Id
+    @Column(name = "id")
+    private val _id: Long,
+
+    @Transient
+    private var isNewEntity: Boolean = true
+) : Persistable<Long> {
+    @Column(updatable = false)
+    @CreatedDate
+    lateinit var createdAt: LocalDateTime
+        protected set
+
+    @Column(updatable = false)
+    @CreatedBy
+    var createdBy: Long = 0L
+        protected set
+
+    @Column
+    @LastModifiedDate
+    lateinit var updatedAt: LocalDateTime
+        protected set
+
+    @Column
+    @LastModifiedBy
+    var updatedBy: Long = 0L
+        protected set
+
+    @PostLoad
+    @PrePersist
+    fun markNotNew() {
+        isNewEntity = false
+    }
+
+    override fun getId(): Long = _id
+    override fun isNew(): Boolean = isNewEntity
+}