[feature] 모집글 수정 시 최근 업데이트 일자를 보여준다

backend/src/main/java/moadong/club/entity/Club.java

@@ -1,14 +1,11 @@
 package moadong.club.entity;
 
-import java.time.format.DateTimeFormatter;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 
 import com.google.firebase.messaging.FirebaseMessaging;
 import com.google.firebase.messaging.FirebaseMessagingException;
 import com.google.firebase.messaging.Message;
-import com.google.firebase.messaging.Notification;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -51,7 +48,6 @@ public class Club implements Persistable<String> {
 
     @Version
     private Long version;
-
     public Club() {
         this.name = "";
         this.category = "";

backend/src/main/java/moadong/club/entity/ClubRecruitmentInformation.java

@@ -13,6 +13,7 @@
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.Setter;
 import moadong.club.enums.ClubRecruitmentStatus;
 import moadong.club.payload.request.ClubInfoRequest;
 import moadong.club.payload.request.ClubRecruitmentInfoUpdateRequest;
@@ -66,6 +67,8 @@ public class ClubRecruitmentInformation {
     @NotNull
     private ClubRecruitmentStatus clubRecruitmentStatus;
 
+    private LocalDateTime lastModifiedDate;
+
     public void updateLogo(String logo) {
         this.logo = logo;
     }
@@ -121,4 +124,12 @@ public void update(ClubInfoRequest request) {
     public void updateCover(String cover) {
         this.cover = cover;
     }
+
+    private void setLastModifiedDate(LocalDateTime lastModifiedDate) {
+        this.lastModifiedDate = lastModifiedDate;
+    }
+
+    public void updateLastModifiedDate() {
+        setLastModifiedDate(LocalDateTime.now());
+    }
 }

backend/src/main/java/moadong/club/payload/dto/ClubDetailedResult.java

@@ -29,6 +29,7 @@ public record ClubDetailedResult(
         String category,
         String division,
         List<Faq> faqs,
+        String lastModifiedDate,
         List<ClubSearchResult> recommendClubs
 ) {
 
@@ -40,6 +41,12 @@ public static ClubDetailedResult of(Club club, List<ClubSearchResult> recommendC
             period = clubRecruitmentInformation.getRecruitmentStart().format(formatter) + " ~ "
                     + clubRecruitmentInformation.getRecruitmentEnd().format(formatter);
         }
+
+        String lastModifiedDate = "";
+        if (club.getClubRecruitmentInformation().getLastModifiedDate() != null) {
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy.MM.dd HH:mm");
+            lastModifiedDate = club.getClubRecruitmentInformation().getLastModifiedDate().format(formatter);
+        }
         return ClubDetailedResult.builder()
                 .id(club.getId() == null ? "" : club.getId())
                 .name(club.getName() == null ? "" : club.getName())
@@ -74,6 +81,7 @@ public static ClubDetailedResult of(Club club, List<ClubSearchResult> recommendC
                         : club.getSocialLinks())
                 .faqs(club.getClubRecruitmentInformation().getFaqs() == null ? List.of()
                         : club.getClubRecruitmentInformation().getFaqs())
+                .lastModifiedDate(lastModifiedDate)
                 .recommendClubs(recommendClubs)
                 .build();
     }

backend/src/main/java/moadong/club/service/ClubProfileService.java

@@ -1,5 +1,6 @@
 package moadong.club.service;
 
+import java.time.LocalDateTime;
 import java.util.List;
 import lombok.AllArgsConstructor;
 import moadong.club.entity.Club;
@@ -44,6 +45,7 @@ public void updateClubRecruitmentInfo(ClubRecruitmentInfoUpdateRequest request,
                 club.getClubRecruitmentInformation().getRecruitmentStart(),
                 club.getClubRecruitmentInformation().getRecruitmentEnd()
         );
+        club.getClubRecruitmentInformation().updateLastModifiedDate();
         clubRepository.save(club);
     }
 

backend/src/test/java/moadong/club/service/ClubProfileServiceDateTest.java

@@ -0,0 +1,75 @@
+package moadong.club.service;
+
+import moadong.club.entity.Club;
+import moadong.club.payload.request.ClubRecruitmentInfoUpdateRequest;
+import moadong.club.repository.ClubRepository;
+import moadong.club.repository.ClubSearchRepository;
+import moadong.club.util.RecruitmentStateCalculator;
+import moadong.fixture.ClubRequestFixture;
+import moadong.fixture.UserFixture;
+import moadong.user.payload.CustomUserDetails;
+import moadong.util.annotations.UnitTest;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.Spy;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+
+import java.time.LocalDateTime;
+import java.util.Optional;
+
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+@UnitTest
+public class ClubProfileServiceDateTest {
+
+    @InjectMocks
+    ClubProfileService clubProfileService;
+
+    @Mock
+    ClubRepository clubRepository;
+
+    @Mock
+    ClubSearchRepository clubSearchRepository;
+
+    @DisplayName("모집글 수정 시 최근 업데이트 일자를 보여준다")
+    @Test
+    void 모집글_수정_시_최근_업데이트_일자를_보여줘야한다(){
+        //GIVEN
+        ClubRecruitmentInfoUpdateRequest request = ClubRequestFixture.defaultRequest();
+        CustomUserDetails customUserDetails = UserFixture.createUserDetails("test");
+        Club club = new Club();
+        when(clubRepository.findClubByUserId(any())).thenReturn(Optional.of(club));
+        //updateClubRecruitmentInfo의 RecruitmentStateCalculator 무시
+        try (var mocked = Mockito.mockStatic(RecruitmentStateCalculator.class)) {
+            mocked.when(() ->
+                    RecruitmentStateCalculator.calculate(
+                            Mockito.any(moadong.club.entity.Club.class),
+                            Mockito.any(java.time.ZonedDateTime.class),
+                            Mockito.any(java.time.ZonedDateTime.class)
+                    )
+            ).thenAnswer(inv -> null);
+
+            //WHEN
+            clubProfileService.updateClubRecruitmentInfo(request, customUserDetails);
+
+            //THEN
+            assertNotNull(club.getClubRecruitmentInformation().getLastModifiedDate());
+            //1초 전후 차이로 살펴보기
+            LocalDateTime now = LocalDateTime.now();
+            assertTrue(club.getClubRecruitmentInformation().
+                    getLastModifiedDate().isAfter(now.minusSeconds(1)));
+            assertTrue(club.getClubRecruitmentInformation().
+                    getLastModifiedDate().isBefore(now.plusSeconds(1)));
+        }
+    }
+}

backend/src/test/java/moadong/fixture/ClubRequestFixture.java

@@ -3,7 +3,9 @@
 import moadong.club.enums.ClubCategory;
 import moadong.club.enums.ClubDivision;
 import moadong.club.payload.request.ClubInfoRequest;
+import moadong.club.payload.request.ClubRecruitmentInfoUpdateRequest;
 
+import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Map;
 
@@ -21,6 +23,17 @@ public static ClubInfoRequest createValidClubInfoRequest() {
         );
 
     }
+
+    public static ClubRecruitmentInfoUpdateRequest defaultRequest() {
+        return new ClubRecruitmentInfoUpdateRequest(
+                LocalDateTime.now(),
+                LocalDateTime.now().plusDays(7),
+                "테스트 대상",
+                "테스트 설명",
+                "https://fake-url.com",
+                List.of()
+        );
+    }
     //ToDo: 시간 계산법을 LocalDateTime에서 Instant로 변경 후에 활성화할 것
 //    public static ClubRecruitmentInfoUpdateRequest createValidRequest() {
 //        return new ClubRecruitmentInfoUpdateRequest(