회원의 닉네임을 일정주기를 통해 변경할 수 있도록 구현

backend/src/main/java/com/votogether/domain/member/entity/Member.java

@@ -80,16 +80,18 @@ public static Member from(final KakaoMemberResponse response) {
  .build();
  }
 
- public void changeNickname(final String nickname) {
- if (isNotPassedChangingCycle()) {
+ public void changeNicknameByCycle(final String nickname, final Long days) {
+ if (isNotPassedChangingCycle(days)) {
  throw new BadRequestException(MemberExceptionType.NOT_PASSED_NICKNAME_CHANGING_CYCLE);
  }
  this.nickname = new Nickname(nickname);
  }
 
- private boolean isNotPassedChangingCycle() {
+ private boolean isNotPassedChangingCycle(final Long days) {
+ System.out.println("this.getCreatedAt() = " + this.getCreatedAt());
+ System.out.println("this.getUpdatedAt() = " + this.getUpdatedAt());
  return (!this.getCreatedAt().equals(this.getUpdatedAt())) &&
- (this.getUpdatedAt().isAfter(LocalDateTime.now().minusDays(14L)));
+ (this.getUpdatedAt().isAfter(LocalDateTime.now().minusDays(days)));
  }
 
  public void changeNicknameByReport() {

backend/src/main/java/com/votogether/domain/member/service/MemberService.java

@@ -29,6 +29,8 @@
 @Service
 public class MemberService {
 
+ private static final Long NICKNAME_CHANGING_CYCLE = 14L;
+
  private final MemberRepository memberRepository;
  private final MemberCategoryRepository memberCategoryRepository;
  private final PostRepository postRepository;
@@ -68,7 +70,7 @@ public MemberInfoResponse findMemberInfo(final Member member) {
  @Transactional
  public void changeNickname(final Member member, final String nickname) {
  validateExistentNickname(nickname);
- member.changeNickname(nickname);
+ member.changeNicknameByCycle(nickname, NICKNAME_CHANGING_CYCLE);
  }
 
  private void validateExistentNickname(final String nickname) {

backend/src/test/java/com/votogether/domain/member/entity/MemberTest.java

@@ -0,0 +1,108 @@
+package com.votogether.domain.member.entity;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import com.votogether.domain.common.BaseEntity;
+import com.votogether.domain.member.entity.vo.Gender;
+import com.votogether.domain.member.entity.vo.SocialType;
+import com.votogether.global.exception.BadRequestException;
+import java.lang.reflect.Field;
+import java.time.LocalDateTime;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+class MemberTest {
+
+ @Nested
+ @DisplayName("닉네임을 주기에 따라 변경하는 경우")
+ class ChangeNicknameByCycle {
+
+ @Test
+ @DisplayName("15일전에 변경된 닉네임은 14일 주기로 변경할 때 성공적으로 변경된다.")
+ void success() throws Exception {
+ // given
+ Member member = Member.builder()
+ .nickname("저문")
+ .gender(Gender.MALE)
+ .birthYear(1966)
+ .socialId("abc123")
+ .socialType(SocialType.KAKAO)
+ .build();
+
+ Field createdAtField = BaseEntity.class.getDeclaredField("createdAt");
+ Field updatedAtField = BaseEntity.class.getDeclaredField("updatedAt");
+ createdAtField.setAccessible(true);
+ updatedAtField.setAccessible(true);
+
+ LocalDateTime now = LocalDateTime.now().minusDays(15L);
+ createdAtField.set(member, now);
+ updatedAtField.set(member, now);
+
+ // when
+ member.changeNicknameByCycle("저라니", 14L);
+
+ // then
+ assertThat(member.getNickname()).isEqualTo("저라니");
+ }
+
+ @Test
+ @DisplayName("13일 전에 변경된 닉네임은 14일 주기로 변경하더라도 한번도 닉네임을 변경하지 않았다면 성공적으로 변경된다.")
+ void successFirstChange() throws Exception {
+ // given
+ Member member = Member.builder()
+ .nickname("저문")
+ .gender(Gender.MALE)
+ .birthYear(1966)
+ .socialId("abc123")
+ .socialType(SocialType.KAKAO)
+ .build();
+
+ Field createdAtField = BaseEntity.class.getDeclaredField("createdAt");
+ Field updatedAtField = BaseEntity.class.getDeclaredField("updatedAt");
+ createdAtField.setAccessible(true);
+ updatedAtField.setAccessible(true);
+
+ LocalDateTime now = LocalDateTime.now().minusDays(13L);
+ createdAtField.set(member, now);
+ updatedAtField.set(member, now);
+
+ // when
+ member.changeNicknameByCycle("저라니", 14L);
+
+ // then
+ assertThat(member.getNickname()).isEqualTo("저라니");
+ }
+
+ @Test
+ @DisplayName("13일 전에 변경된 닉네임은 14일 주기로 변경할 때 변경에 실패한다.")
+ void fail() throws Exception {
+ // given
+ Member member = Member.builder()
+ .nickname("저문")
+ .gender(Gender.MALE)
+ .birthYear(1966)
+ .socialId("abc123")
+ .socialType(SocialType.KAKAO)
+ .build();
+
+ Field createdAtField = BaseEntity.class.getDeclaredField("createdAt");
+ Field updatedAtField = BaseEntity.class.getDeclaredField("updatedAt");
+ createdAtField.setAccessible(true);
+ updatedAtField.setAccessible(true);
+
+ LocalDateTime createdTime = LocalDateTime.now().minusDays(20L);
+ LocalDateTime updatedTime = LocalDateTime.now().minusDays(13L);
+ createdAtField.set(member, createdTime);
+ updatedAtField.set(member, updatedTime);
+
+ // when, then
+ assertThatThrownBy(() -> member.changeNicknameByCycle("저라니", 14L))
+ .isInstanceOf(BadRequestException.class)
+ .hasMessage("최소 닉네임 변경주기가 지나지 않았습니다.");
+ }
+
+ }
+
+}