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Date: Wed, 4 Sep 2024 22:58:26 +0900
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* feat: 기존 커리큘럼의 시작날짜로 검증하는 것으로 변경

* feat: 불필요한 수정 삭제

* feat: 검증 조건 추가

* feat: 코드 중복도 낮추기
---
 .../gdsc/domain/study/domain/StudyDetailValidator.java      | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/gdschongik/gdsc/domain/study/domain/StudyDetailValidator.java b/src/main/java/com/gdschongik/gdsc/domain/study/domain/StudyDetailValidator.java
index 91341292d..f6b75b698 100644
--- a/src/main/java/com/gdschongik/gdsc/domain/study/domain/StudyDetailValidator.java
+++ b/src/main/java/com/gdschongik/gdsc/domain/study/domain/StudyDetailValidator.java
@@ -19,7 +19,7 @@ public void validateCancelStudyAssignment(Member member, StudyDetail studyDetail
     public void validatePublishStudyAssignment(
             Member member, StudyDetail studyDetail, AssignmentCreateUpdateRequest request) {
         validateStudyMentorAuthorization(member, studyDetail);
-        validateDeadLine(request.deadLine());
+        validateDeadLine(request.deadLine(), studyDetail.getPeriod().getStartDate());
     }
 
     // 해당 스터디의 멘토가 아니라면 스터디에 대한 권한이 없다.
@@ -29,8 +29,8 @@ private void validateStudyMentorAuthorization(Member member, StudyDetail studyDe
         }
     }
 
-    private void validateDeadLine(LocalDateTime deadline) {
-        if (deadline.isBefore(LocalDateTime.now())) {
+    private void validateDeadLine(LocalDateTime deadline, LocalDateTime studyStartDate) {
+        if (deadline.isBefore(LocalDateTime.now()) || deadline.isBefore(studyStartDate)) {
             throw new CustomException(ASSIGNMENT_DEADLINE_INVALID);
         }
     }