[Feat] 좋아요 상품 연관관계 추가

Author: 인태영

src/main/java/ttakkeun/ttakkeun_server/entity/LikeProduct.java

@@ -0,0 +1,27 @@
+package ttakkeun.ttakkeun_server.entity;
+
+import jakarta.persistence.*;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class LikeProduct {
+    @Id
+    @Column(name = "like_product_id")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "product_id")
+    private Product product;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+}

src/main/java/ttakkeun/ttakkeun_server/entity/Member.java

@@ -2,6 +2,7 @@
 
 import jakarta.persistence.*;
 import lombok.*;
+import org.springframework.data.relational.core.sql.Like;
 import ttakkeun.ttakkeun_server.entity.common.BaseEntity;
 import ttakkeun.ttakkeun_server.entity.enums.LoginType;
 
@@ -39,6 +40,9 @@ public class Member extends BaseEntity {
     @OneToMany(mappedBy = "memberId", cascade = CascadeType.ALL)
     private List<Pet> petList = new ArrayList<>();
 
+    @OneToMany(mappedBy = "memberId", cascade = CascadeType.ALL)
+    private List<LikeProduct> likeProductList = new ArrayList<>();
+
     // refreshToken 재발급
     public void updateRefreshToken(String refreshToken) {
         this.refreshToken = refreshToken;

src/main/java/ttakkeun/ttakkeun_server/entity/Product.java

@@ -5,6 +5,9 @@
 import ttakkeun.ttakkeun_server.entity.common.BaseEntity;
 import ttakkeun.ttakkeun_server.entity.enums.Category;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Entity
 @Getter
 @Builder
@@ -21,6 +24,9 @@ public class Product extends BaseEntity {
     @JoinColumn(name = "result_id")
     private Result result;
 
+    @OneToMany(mappedBy = "productId", cascade = CascadeType.ALL)
+    private List<LikeProduct> likeProductList = new ArrayList<>();
+
     private String productTitle;
     private String productLink;
     private String productImage;