feat: BaseEntity 적용 (#700)

server/src/main/java/server/haengdong/HaengdongApplication.java

@@ -3,6 +3,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @Slf4j
 @SpringBootApplication

server/src/main/java/server/haengdong/config/JpaConfig.java

@@ -0,0 +1,9 @@
+package server.haengdong.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@Configuration
+@EnableJpaAuditing
+public class JpaConfig {
+}

server/src/main/java/server/haengdong/domain/BaseEntity.java

@@ -0,0 +1,23 @@
+package server.haengdong.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import java.time.Instant;
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+@Getter
+@EntityListeners(AuditingEntityListener.class)
+@MappedSuperclass
+public abstract class BaseEntity {
+
+    @Column(updatable = false)
+    @CreatedDate
+    private Instant createdAt;
+
+    @LastModifiedDate
+    private Instant updatedAt;
+}

server/src/main/java/server/haengdong/domain/bill/Bill.java

@@ -19,6 +19,7 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import server.haengdong.domain.BaseEntity;
 import server.haengdong.domain.member.Member;
 import server.haengdong.domain.event.Event;
 import server.haengdong.exception.HaengdongErrorCode;
@@ -27,7 +28,7 @@
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
-public class Bill {
+public class Bill extends BaseEntity {
 
     private static final int MIN_TITLE_LENGTH = 1;
     private static final int MAX_TITLE_LENGTH = 30;

server/src/main/java/server/haengdong/domain/bill/BillDetail.java

@@ -11,12 +11,13 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import server.haengdong.domain.BaseEntity;
 import server.haengdong.domain.member.Member;
 
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
-public class BillDetail {
+public class BillDetail extends BaseEntity {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

server/src/main/java/server/haengdong/domain/event/Event.java

@@ -7,17 +7,19 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import java.time.Instant;
 import java.util.Arrays;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import server.haengdong.domain.BaseEntity;
 import server.haengdong.exception.HaengdongErrorCode;
 import server.haengdong.exception.HaengdongException;
 
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
-public class Event {
+public class Event extends BaseEntity {
 
     private static final int MIN_NAME_LENGTH = 1;
     private static final int MAX_NAME_LENGTH = 20;

server/src/main/java/server/haengdong/domain/event/EventImage.java

@@ -11,11 +11,12 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import server.haengdong.domain.BaseEntity;
 
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Entity
-public class EventImage {
+public class EventImage extends BaseEntity {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

server/src/main/java/server/haengdong/domain/member/Member.java

@@ -14,6 +14,7 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import server.haengdong.domain.BaseEntity;
 import server.haengdong.domain.event.Event;
 import server.haengdong.exception.HaengdongErrorCode;
 import server.haengdong.exception.HaengdongException;
@@ -22,7 +23,7 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @Table(uniqueConstraints = {@UniqueConstraint(columnNames = {"event_id", "name"})})
 @Entity
-public class Member {
+public class Member extends BaseEntity {
 
     private static final int MIN_NAME_LENGTH = 1;
     private static final int MAX_NAME_LENGTH = 8;