party oneToone으로 변경 (#69)

Author: parkjioh

backend/src/main/java/com/back/domain/mission/entity/Mission.java

@@ -28,8 +28,8 @@ public class Mission extends BaseEntity {
     @JoinColumn(name = "user_id", nullable = false)
     private Member member;  // 미션 생성자
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "party_id", nullable = true)
+    @OneToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "party_id", unique = true, nullable = true)
     private Party party; // null == 개인미션
 
     @Column(nullable = false)

backend/src/main/java/com/back/domain/mission/entity/Task.java

@@ -4,6 +4,7 @@
 import jakarta.persistence.*;
 import lombok.*;
 
+import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -27,8 +28,14 @@ public class Task extends BaseEntity {
     @Column(nullable = false)
     private int dayNum;     // 주차 내 며칠에 해당하는 지 ( 1 = 월, ... )
 
+    @Column(nullable = false)
+    private Boolean hasBeenEdited = false;
+
+    private LocalDate editableUntil;
+
     @OneToMany(mappedBy = "task", cascade = CascadeType.ALL, orphanRemoval = true)
     @Builder.Default
     private List<TaskLog> taskLogs = new ArrayList<>();
 
+
 }

backend/src/main/java/com/back/domain/mission/service/TaskService.java

@@ -69,7 +69,7 @@ public TaskCompleteResponse completeTask(Integer memberId, TaskCompleteRequest r
                 .build();
     }
 
-    //ㅅㅁ
+    // 멤버 id 기준 오늘 할 일 조회
     @Transactional(readOnly = true)
     public List<TaskResponse> getTodayTasks(Integer memberId) {
         LocalDate today = LocalDate.now();
@@ -82,6 +82,7 @@ public List<TaskResponse> getTodayTasks(Integer memberId) {
                 .collect(Collectors.toList());
     }
 
+    //특정 날짜에 해당하는 task
     @Transactional(readOnly = true)
     public List<TaskResponse> getTasksByDate(Integer memberId, LocalDate date) {
         int dayNum = date.getDayOfWeek().getValue();
@@ -93,6 +94,7 @@ public List<TaskResponse> getTasksByDate(Integer memberId, LocalDate date) {
                 .collect(Collectors.toList());
     }
 
+    // 특정 미션의 특정 주차에 해당하는 task 조회
     @Transactional(readOnly = true)
     public List<TaskResponse> getWeekTasks(Integer memberId, Integer missionId, Integer weekNum) {
         Mission mission = missionRepository.findById(missionId)
@@ -117,7 +119,7 @@ public TaskResponse toTaskResponse(Task task, Integer memberId, LocalDate date)
         return convertToTaskResponse(task, memberId, date);
     }
 
-
+    // task 엔티티 -> taskResponse DTO 변환
     private TaskResponse convertToTaskResponse(Task task, Integer memberId, LocalDate date) {
         Optional<TaskLog> taskLog = taskLogRepository.findByTaskIdAndMemberIdAndDate(
                 task.getId(), memberId, date);

backend/src/main/java/com/back/domain/mission/service/WeeklyMissionUpdateService.java

@@ -30,9 +30,7 @@ public class WeeklyMissionUpdateService {
     private final SubGoalRepository subGoalRepository;
     private final MissionCalculateService missionCalculateService;
 
-    /**
-     * 현재 수정 가능한 주차 목록 조회
-     */
+    // 현재 수정 가능한 주차 목록 조회
     @Transactional(readOnly = true)
     public List<SubGoalResponse> getEditableWeeks(Integer memberId, Integer missionId) {
         Mission mission = validateMissionAccess(memberId, missionId);
@@ -48,9 +46,7 @@ public List<SubGoalResponse> getEditableWeeks(Integer memberId, Integer missionI
                 .collect(Collectors.toList());
     }
 
-    /**
-     * 특정 주차 수정
-     */
+    // 특정 주차 수정ㄴ
     public SubGoalResponse updateWeekly(Integer memberId, WeeklyUpdateRequest request) {
         // 1. 권한 확인
         Mission mission = validateMissionAccess(memberId, request.getMissionId());
@@ -74,9 +70,7 @@ public SubGoalResponse updateWeekly(Integer memberId, WeeklyUpdateRequest reques
         return convertToSubGoalResponse(subGoal);
     }
 
-    /**
-     * 미션 시작 시 수정 가능 기한 설정
-     */
+    // 미션 시작 시 수정 가능 기한 설정
     public void initializeEditablePeriods(Integer missionId) {
         Mission mission = missionRepository.findById(missionId)
                 .orElseThrow(() -> new MissionException(MissionErrorCode.MISSION_NOT_FOUND));
@@ -93,9 +87,6 @@ public void initializeEditablePeriods(Integer missionId) {
         log.info("미션 수정 기한 초기화 완료 - missionId: {}", missionId);
     }
 
-    // ================================
-    // Private 헬퍼 메서드들
-    // ================================
 
     private Mission validateMissionAccess(Integer memberId, Integer missionId) {
         Mission mission = missionRepository.findById(missionId)