[EA3-75] refactor : 엔티티 수정

Author: dbrkdgus00

src/main/java/grep/neogul_coder/domain/buddy/entity/BuddyEnergy.java

@@ -17,9 +17,8 @@ public class BuddyEnergy {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long buddyEnergyId;
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "user_id")
-    private User user;
+    @Column(name = "user_id", nullable = false)
+    private Long userId;
 
     @Column(nullable = false)
     private int level;

src/main/java/grep/neogul_coder/domain/buddy/entity/BuddyLog.java

@@ -20,15 +20,10 @@ public class BuddyLog {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long buddyLogId;
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "user_id")
-    private User user;
-
-    @Column(nullable = false)
-    private int level;
-
     @Enumerated(EnumType.STRING)
-    @Column(nullable = false, length = 50)
     private BuddyEnergyReason reason;
 
+    @ManyToOne(fetch = FetchType.LAZY)
+    private BuddyEnergy buddyEnergy;
+
 }