[EDIT] 目標テーブルを修正しました。

src/main/java/com/example/demo/app/domain/model/GoalModel.java

@@ -3,6 +3,7 @@ package com.example.demo.app.domain.model;
 import java.time.LocalDate;
 
 import com.example.demo.app.infra.entity.GoalEntity;
+import com.example.demo.app.infra.entity.UserEntity;
 import com.example.demo.app.presentation.form.GoalForm;
 
 import lombok.AllArgsConstructor;
@@ -27,8 +28,10 @@ public class GoalModel {
 	private Integer achievementRate; // 達成率
 	
 	private Integer currentAmount; // 現在の資産
+	
+	private Long userId;
 
-	public static GoalModel convertFrom(GoalEntity goalEntity) {
+	public static GoalModel convertFrom(GoalEntity goalEntity, int achievementRate, int currentAmount) {
 		return new GoalModel(
 				goalEntity.getGoalId(),
 				goalEntity.getGoalTitle(),
@@ -36,10 +39,12 @@ public class GoalModel {
 				goalEntity.getTargetAmount(),
 				goalEntity.getDeadline(),
 				goalEntity.getGoalComplete(),
-				null,null);
+				achievementRate,
+				currentAmount,
+				goalEntity.getUserEntity().getUserId());
 	}
 
-	public static GoalEntity convertTo(GoalModel goalModel) {
+	public static GoalEntity convertTo(GoalModel goalModel, UserEntity userEntity) {
 		return new GoalEntity(
 				goalModel.getGoalId(),
 				goalModel.getGoalTitle(),
@@ -47,7 +52,7 @@ public class GoalModel {
 				goalModel.getTargetAmount(),
 				goalModel.getDeadline(),
 				goalModel.getGoalComplete(),
-				null);
+				userEntity, 0);
 	}
 	
 	public static GoalModel convertFrom(GoalForm goalForm) {
@@ -58,7 +63,8 @@ public class GoalModel {
 				goalForm.getTargetAmount(),
 				goalForm.getDeadline(),
 				goalForm.getGoalComplete()
-				,null,null);
+				,null,null,
+				goalForm.getUserId());
 	}
 
 }

src/main/java/com/example/demo/app/infra/entity/GoalEntity.java

@@ -4,10 +4,12 @@ import java.time.LocalDate;
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
-import jakarta.persistence.OneToOne;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 
 import lombok.AllArgsConstructor;
@@ -41,7 +43,10 @@ public class GoalEntity {
 	@Column(name = "goal_complete", nullable = false)
 	private Integer goalComplete = 0;
 	
-	@OneToOne(mappedBy = "goalEntity")
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "user_id")
 	private UserEntity userEntity;
+	
+	private Integer deleteFlag;
 
 }

src/main/java/com/example/demo/app/presentation/form/GoalForm.java

@@ -1,6 +1,7 @@
 package com.example.demo.app.presentation.form;
 
 import java.time.LocalDate;
+import java.util.List;
 
 import org.springframework.format.annotation.DateTimeFormat;
 
@@ -31,6 +32,8 @@ public class GoalForm {
 	private Integer achievementRate; // 達成率
 	
 	private Integer currentAmount; // 現在の資産
+	
+	private Long userId;
 
 	public static GoalForm convertFrom(GoalModel goalModel) {
 		return new GoalForm(
@@ -41,11 +44,12 @@ public class GoalForm {
 				goalModel.getDeadline(),
 				goalModel.getGoalComplete(),
 				goalModel.getAchievementRate(),
-				goalModel.getCurrentAmount());
+				goalModel.getCurrentAmount(),
+				goalModel.getUserId());
 	}
 
-//	public static List<GoalForm> convertFrom(List<GoalModel> goalModelList) {
-//		return goalModelList.stream().map(GoalForm::convertFrom).toList();
-//	}
+	public static List<GoalForm> convertFrom(List<GoalModel> goalModelList) {
+		return goalModelList.stream().map(GoalForm::convertFrom).toList();
+	}
 
 }