feat: 예외 엔티티 추가 및 일부 엔티티 수정

Author: KSH0326

src/main/java/com/back/domain/study/plan/entity/StudyPlan.java

@@ -1,5 +1,6 @@
 package com.back.domain.study.plan.entity;
 
+import com.back.domain.study.record.entity.StudyRecord;
 import com.back.domain.user.entity.User;
 import com.back.global.entity.BaseEntity;
 import jakarta.persistence.*;
@@ -45,4 +46,10 @@ public class StudyPlan extends BaseEntity {
 
     @OneToOne(mappedBy = "studyPlan",cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     private RepeatRule repeatRule;
+
+    @OneToMany(mappedBy = "todo", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<StudyRecord> studyRecords;
+
+    @OneToMany(mappedBy = "studyPlan", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    private List<StudyPlanException> exceptions = new ArrayList<>();
 }

src/main/java/com/back/domain/study/plan/entity/StudyPlanException.java

@@ -0,0 +1,63 @@
+package com.back.domain.study.plan.entity;
+
+import com.back.global.entity.BaseEntity;
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "study_plan_exception")
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+//이후 날짜 반복 계획 모두 삭제는 원본 엔티티의 untilDate를 수정해 구현
+//단일 삭제 또는 단일, 이후 모두 수정은 이 엔티티로 구현
+public class StudyPlanException extends BaseEntity {
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "study_plan_id", nullable = false)
+    private StudyPlan studyPlan;
+
+    // 예외가 발생한 날짜
+    @Column(name = "exception_date", nullable = false)
+    private LocalDateTime exceptionDate;
+
+    //예외 유형 (수정 / 삭제)
+    @Enumerated(EnumType.STRING)
+    @Column(nullable = false)
+    private ExceptionType exceptionType;
+
+    // 적용 범위 (이 날짜만 / 이후 모든 날짜)
+    @Enumerated(EnumType.STRING)
+    @Column(name = "apply_scope")
+    private ApplyScope applyScope;
+
+    // 수정된 내용 (MODIFIED 타입인 경우)
+    @Column(name = "modified_subject")
+    private String modifiedSubject;
+
+    @Column(name = "modified_start_date")
+    private LocalDateTime modifiedStartDate;
+
+    @Column(name = "modified_end_date")
+    private LocalDateTime modifiedEndDate;
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "modified_color")
+    private Color modifiedColor;
+
+    public enum ExceptionType {
+        DELETED,    // 해당 날짜 삭제
+        MODIFIED    // 해당 날짜 수정
+    }
+
+    public enum ApplyScope {
+        THIS_ONLY,      // 이 날짜만
+        FROM_THIS_DATE  // 이 날짜부터 이후 모든 날짜
+    }
+}

src/main/java/com/back/domain/study/record/entity/StudyRecord.java

@@ -1,5 +1,6 @@
 package com.back.domain.study.record.entity;
 
+import com.back.domain.study.plan.entity.StudyPlan;
 import com.back.domain.study.todo.entity.Todo;
 import com.back.domain.studyroom.entity.Room;
 import com.back.global.entity.BaseEntity;
@@ -17,8 +18,8 @@
 @Getter
 public class StudyRecord extends BaseEntity {
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "todo_id")
-    private Todo todo;
+    @JoinColumn(name = "plan_id")
+    private StudyPlan plan;
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "room_id")

src/main/java/com/back/domain/study/todo/entity/Todo.java

@@ -24,6 +24,4 @@ public class Todo extends BaseEntity {
 
     private LocalDateTime date;
 
-    @OneToMany(mappedBy = "todo", cascade = CascadeType.ALL, orphanRemoval = true)
-    private List<StudyRecord> studyRecords;
 }