fix: 시간표 프레임 삭제 관련 에러 수정 (#708)

* fix: 원래 로직대로 원상 복구

* test: 테스트 작성

* chore: refresh token기한 원상 복구

src/main/java/in/koreatech/koin/domain/timetableV2/repository/TimetableFrameRepositoryV2.java

@@ -42,14 +42,7 @@ default TimetableFrame getByUser(User user) {
             .orElseThrow(() -> TimetableFrameNotFoundException.withDetail("userId: " + user.getId()));
     }
 
-    @Query(
-        """
-        SELECT tf FROM TimetableFrame tf
-        WHERE tf.user.id = :userId
-        AND tf.semester.id = :semesterId 
-        AND tf.isMain = false ORDER BY tf.createdAt ASC
-        """)
-    TimetableFrame findFirstNonMainFrame(@Param("userId") Integer userId, @Param("semesterId") Integer semesterId);
+    TimetableFrame findFirstByUserIdAndSemesterIdAndIsMainFalseOrderByCreatedAtAsc(Integer userId, Integer semesterId);
 
     @Query(
         """

src/main/java/in/koreatech/koin/domain/timetableV2/service/TimetableServiceV2.java

@@ -80,7 +80,8 @@ public void deleteTimetablesFrame(Integer userId, Integer frameId) {
         }
         if (frame.isMain()) {
             TimetableFrame nextMainFrame =
-                timetableFrameRepositoryV2.findFirstNonMainFrame(userId, frame.getSemester().getId());
+                timetableFrameRepositoryV2.
+                    findFirstByUserIdAndSemesterIdAndIsMainFalseOrderByCreatedAtAsc(userId, frame.getSemester().getId());
             if (nextMainFrame != null) {
                 nextMainFrame.updateStatusMain(true);
                 timetableFrameRepositoryV2.save(nextMainFrame);

src/test/java/in/koreatech/koin/acceptance/TimetableV2ApiTest.java

@@ -172,6 +172,32 @@ void deleteTimeTablesFrame() {
         assertThat(timetableLectureRepositoryV2.findById(frame1.getTimetableLectures().get(1).getId())).isNotPresent();
     }
 
+    @Test
+    @DisplayName("isMain인 frame을 삭제한다 - 다른 frame이 main으로 됨")
+    void deleteMainTimeTablesFrame() {
+        User user = userFixture.준호_학생().getUser();
+        String token = userFixture.getToken(user);
+        Semester semester = semesterFixture.semester("20192");
+
+        TimetableFrame frame1 = timetableV2Fixture.시간표1(user, semester);
+        TimetableFrame frame2 = timetableV2Fixture.시간표2(user, semester);
+
+        RestAssured
+            .given()
+            .header("Authorization", "Bearer " + token)
+            .when()
+            .param("id", frame1.getId())
+            .delete("/v2/timetables/frame")
+            .then()
+            .statusCode(HttpStatus.NO_CONTENT.value())
+            .extract();
+
+        assertThat(timetableFrameRepositoryV2.findById(frame1.getId())).isNotPresent();
+
+        TimetableFrame reloadedFrame2 = timetableFrameRepositoryV2.findById(frame2.getId()).orElseThrow();
+        assertThat(reloadedFrame2.isMain()).isTrue();
+    }
+
     @Test
     @DisplayName("특정 시간표 frame을 삭제한다 - 본인 삭제가 아니면 403 반환")
     void deleteTimeTablesFrameNoAuth() {