[BE] 행사 참여 인원 이름 변경 api 수정

server/src/docs/asciidoc/event.adoc

@@ -106,6 +106,15 @@ operation::updateEventMemberName[snippets="path-parameters,http-request,request-
 [source,json,options="nowrap"]
 ----
 [
+
+   {
+      "code":"MEMBER_NAME_CHANGE_DUPLICATE",
+      "message":"중복된 참여 인원 이름 변경 요청이 존재합니다."
+   },
+   {
+      "code":"MEMBER_NOT_EXIST",
+      "message":"현재 참여하고 있지 않는 인원이 존재합니다."
+   },
    {
       "code":"REQUEST_EMPTY",
       "message":"멤버 이름은 공백일 수 없습니다."
@@ -128,7 +137,7 @@ operation::updateEventMemberName[snippets="path-parameters,http-request,request-
    },
    {
       "code":"TOKEN_EXPIRED",
-      "message":"토큰이 존재하지 않습니다."
+      "message":"만료된 토큰입니다."
    },
    {
       "code":"TOKEN_INVALID",

server/src/main/java/server/haengdong/application/EventService.java

@@ -3,12 +3,14 @@
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Set;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import server.haengdong.application.request.EventAppRequest;
 import server.haengdong.application.request.EventLoginAppRequest;
-import server.haengdong.application.request.MemberUpdateAppRequest;
+import server.haengdong.application.request.MemberNameUpdateAppRequest;
+import server.haengdong.application.request.MemberNamesUpdateAppRequest;
 import server.haengdong.application.response.ActionAppResponse;
 import server.haengdong.application.response.EventAppResponse;
 import server.haengdong.application.response.EventDetailAppResponse;
@@ -100,22 +102,55 @@ public MembersAppResponse findAllMembers(String token) {
     }
 
     @Transactional
-    public void updateMember(String token, String memberName, MemberUpdateAppRequest request) {
+    public void updateMember(String token, MemberNamesUpdateAppRequest request) {
         Event event = getEvent(token);
-        String updatedMemberName = request.name();
-        validateMemberNameUnique(event, updatedMemberName);
+        List<MemberNameUpdateAppRequest> members = request.members();
 
-        memberActionRepository.findAllByAction_EventAndMemberName(event, memberName)
-                .forEach(memberAction -> memberAction.updateMemberName(updatedMemberName));
+        validateBeforeNames(members, event);
+        validateAfterNames(members, event);
+
+        members.forEach(member -> updateMemberName(event, member.before(), member.after()));
+    }
+
+    private void validateBeforeNames(List<MemberNameUpdateAppRequest> members, Event event) {
+        List<String> beforeNames = members.stream()
+                .map(MemberNameUpdateAppRequest::before)
+                .toList();
+        if (beforeNames.size() != Set.copyOf(beforeNames).size()) {
+            throw new HaengdongException(HaengdongErrorCode.MEMBER_NAME_CHANGE_DUPLICATE);
+        }
+        beforeNames.forEach(beforeName -> validateBeforeMemberNameExist(event, beforeName));
+    }
+
+    private void validateBeforeMemberNameExist(Event event, String beforeName) {
+        boolean isMemberNameExist = memberActionRepository.existsByAction_EventAndMemberName(event, beforeName);
+        if (!isMemberNameExist) {
+            throw new HaengdongException(HaengdongErrorCode.MEMBER_NOT_EXIST);
+        }
+    }
+
+    private void validateAfterNames(List<MemberNameUpdateAppRequest> members, Event event) {
+        List<String> afterNames = members.stream()
+                .map(MemberNameUpdateAppRequest::after)
+                .toList();
+        if (afterNames.size() != Set.copyOf(afterNames).size()) {
+            throw new HaengdongException(HaengdongErrorCode.MEMBER_NAME_CHANGE_DUPLICATE);
+        }
+        afterNames.forEach(afterName -> validateAfterMemberNameNotExist(event, afterName));
     }
 
-    private void validateMemberNameUnique(Event event, String updatedMemberName) {
-        boolean isMemberNameExist = memberActionRepository.existsByAction_EventAndMemberName(event, updatedMemberName);
+    private void validateAfterMemberNameNotExist(Event event, String afterName) {
+        boolean isMemberNameExist = memberActionRepository.existsByAction_EventAndMemberName(event, afterName);
         if (isMemberNameExist) {
             throw new HaengdongException(HaengdongErrorCode.MEMBER_NAME_DUPLICATE);
         }
     }
 
+    private void updateMemberName(Event event, String beforeName, String afterName) {
+        memberActionRepository.findAllByAction_EventAndMemberName(event, beforeName)
+                .forEach(memberAction -> memberAction.updateMemberName(afterName));
+    }
+
     public void validatePassword(EventLoginAppRequest request) throws HaengdongException {
         Event event = getEvent(request.token());
         if (event.isSamePassword(request.password())) {

server/src/main/java/server/haengdong/application/request/MemberNameUpdateAppRequest.java

@@ -0,0 +1,7 @@
+package server.haengdong.application.request;
+
+public record MemberNameUpdateAppRequest(
+        String before,
+        String after
+) {
+}

server/src/main/java/server/haengdong/application/request/MemberNamesUpdateAppRequest.java

@@ -0,0 +1,8 @@
+package server.haengdong.application.request;
+
+import java.util.List;
+
+public record MemberNamesUpdateAppRequest(
+        List<MemberNameUpdateAppRequest> members
+) {
+}

server/src/main/java/server/haengdong/exception/HaengdongErrorCode.java

@@ -25,6 +25,7 @@ public enum HaengdongErrorCode {
     MEMBER_NAME_DUPLICATE("중복된 행사 참여 인원 이름이 존재합니다."),
     MEMBER_NOT_EXIST("현재 참여하고 있지 않는 인원이 존재합니다."),
     MEMBER_ALREADY_EXIST("현재 참여하고 있는 인원이 존재합니다."),
+    MEMBER_NAME_CHANGE_DUPLICATE("중복된 참여 인원 이름 변경 요청이 존재합니다."),
 
     MEMBER_ACTION_NOT_FOUND("존재하지 않는 멤버 액션입니다."),
     MEMBER_ACTION_STATUS_INVALID("멤버 액션은 IN, OUT만 가능합니다. 입력한 멤버 액션: %s"),

server/src/main/java/server/haengdong/presentation/EventController.java

@@ -18,7 +18,7 @@
 import server.haengdong.infrastructure.auth.CookieProperties;
 import server.haengdong.presentation.request.EventLoginRequest;
 import server.haengdong.presentation.request.EventSaveRequest;
-import server.haengdong.presentation.request.MemberUpdateRequest;
+import server.haengdong.presentation.request.MemberNamesUpdateRequest;
 import server.haengdong.presentation.response.EventDetailResponse;
 import server.haengdong.presentation.response.EventResponse;
 import server.haengdong.presentation.response.MembersResponse;
@@ -69,13 +69,12 @@ public ResponseEntity<MembersResponse> findAllMembers(@PathVariable("eventId") S
         return ResponseEntity.ok(response);
     }
 
-    @PutMapping("/api/events/{eventId}/members/{memberName}")
+    @PutMapping("/api/events/{eventId}/members/nameChange")
     public ResponseEntity<Void> updateMember(
             @PathVariable("eventId") String token,
-            @PathVariable("memberName") String memberName,
-            @Valid @RequestBody MemberUpdateRequest request
+            @Valid @RequestBody MemberNamesUpdateRequest request
     ) {
-        eventService.updateMember(token, memberName, request.toAppRequest());
+        eventService.updateMember(token, request.toAppRequest());
 
         return ResponseEntity.ok().build();
     }

server/src/main/java/server/haengdong/presentation/request/MemberNameUpdateRequest.java

@@ -0,0 +1,18 @@
+package server.haengdong.presentation.request;
+
+import jakarta.validation.constraints.NotBlank;
+import server.haengdong.application.request.MemberNameUpdateAppRequest;
+
+public record MemberNameUpdateRequest(
+
+        @NotBlank(message = "멤버 이름은 공백일 수 없습니다.")
+        String before,
+
+        @NotBlank(message = "멤버 이름은 공백일 수 없습니다.")
+        String after
+) {
+
+    public MemberNameUpdateAppRequest toAppRequest() {
+        return new MemberNameUpdateAppRequest(before, after);
+    }
+}

server/src/main/java/server/haengdong/presentation/request/MemberNamesUpdateRequest.java

@@ -0,0 +1,16 @@
+package server.haengdong.presentation.request;
+
+import jakarta.validation.Valid;
+import java.util.List;
+import server.haengdong.application.request.MemberNamesUpdateAppRequest;
+
+public record MemberNamesUpdateRequest(
+        @Valid List<MemberNameUpdateRequest> members
+) {
+
+    public MemberNamesUpdateAppRequest toAppRequest() {
+        return new MemberNamesUpdateAppRequest(members.stream()
+                .map(MemberNameUpdateRequest::toAppRequest)
+                .toList());
+    }
+}

server/src/test/java/server/haengdong/application/EventServiceTest.java

@@ -14,7 +14,8 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import server.haengdong.application.request.EventAppRequest;
-import server.haengdong.application.request.MemberUpdateAppRequest;
+import server.haengdong.application.request.MemberNameUpdateAppRequest;
+import server.haengdong.application.request.MemberNamesUpdateAppRequest;
 import server.haengdong.application.response.ActionAppResponse;
 import server.haengdong.application.response.EventAppResponse;
 import server.haengdong.application.response.EventDetailAppResponse;
@@ -119,7 +120,7 @@ void findAllMembersTest() {
         assertThat(membersAppResponse.memberNames()).containsExactlyInAnyOrder("토다리", "쿠키");
     }
 
-    @DisplayName("행사 참여 인원의 이름을 변경한다.")
+    @DisplayName("행사 참여 인원들의 이름을 변경한다.")
     @Test
     void updateMember() {
         Event event = Fixture.EVENT1;
@@ -134,13 +135,16 @@ void updateMember() {
                 memberAction1, memberAction2, memberAction3, memberAction4, memberAction5, memberAction6
         ));
 
-        eventService.updateMember(event.getToken(), "쿠키", new MemberUpdateAppRequest("쿡쿡"));
+        eventService.updateMember(event.getToken(), new MemberNamesUpdateAppRequest(List.of(
+                new MemberNameUpdateAppRequest("쿠키", "쿡쿡"),
+                new MemberNameUpdateAppRequest("토다리", "토쟁이")
+        )));
 
         List<MemberAction> foundMemberActions = memberActionRepository.findAllByEvent(event);
         assertThat(foundMemberActions)
                 .extracting(MemberAction::getId, MemberAction::getMemberName)
                 .contains(
-                        tuple(memberAction1.getId(), "토다리"),
+                        tuple(memberAction1.getId(), "토쟁이"),
                         tuple(memberAction2.getId(), "쿡쿡"),
                         tuple(memberAction3.getId(), "웨디"),
                         tuple(memberAction4.getId(), "쿡쿡"),
@@ -149,7 +153,7 @@ void updateMember() {
                 );
     }
 
-    @DisplayName("참여 인원 이름을 이미 존재하는 행사 참여 인원과 동일한 이름으로 변경할 수 없다.")
+    @DisplayName("이미 존재하는 인원의 이름으로 변경할 수 없다.")
     @Test
     void updateMember1() {
         Event event = Fixture.EVENT1;
@@ -159,7 +163,69 @@ void updateMember1() {
         eventRepository.save(event);
         memberActionRepository.saveAll(List.of(memberAction1, memberAction2, memberAction3));
 
-        assertThatThrownBy(() -> eventService.updateMember(event.getToken(), "쿠키", new MemberUpdateAppRequest("토다리")))
+        MemberNamesUpdateAppRequest appRequest = new MemberNamesUpdateAppRequest(List.of(
+                new MemberNameUpdateAppRequest("쿠키", "쿡쿡"),
+                new MemberNameUpdateAppRequest("웨디", "토다리")
+        ));
+
+        assertThatThrownBy(() -> eventService.updateMember(event.getToken(), appRequest))
+                .isInstanceOf(HaengdongException.class);
+    }
+
+    @DisplayName("존재하지 않는 인원은 변경할 수 없다.")
+    @Test
+    void updateMember2() {
+        Event event = Fixture.EVENT1;
+        MemberAction memberAction1 = new MemberAction(new Action(event, 1L), "토다리", IN, 1L);
+        MemberAction memberAction2 = new MemberAction(new Action(event, 2L), "쿠키", IN, 1L);
+        MemberAction memberAction3 = new MemberAction(new Action(event, 3L), "웨디", IN, 2L);
+        eventRepository.save(event);
+        memberActionRepository.saveAll(List.of(memberAction1, memberAction2, memberAction3));
+
+        MemberNamesUpdateAppRequest appRequest = new MemberNamesUpdateAppRequest(List.of(
+                new MemberNameUpdateAppRequest("쿡쿡", "토쟁이"),
+                new MemberNameUpdateAppRequest("웨디", "말복")
+        ));
+
+        assertThatThrownBy(() -> eventService.updateMember(event.getToken(), appRequest))
+                .isInstanceOf(HaengdongException.class);
+    }
+
+    @DisplayName("변경 전 참여 인원 이름이 중복될 수 없다.")
+    @Test
+    void updateMember3() {
+        Event event = Fixture.EVENT1;
+        MemberAction memberAction1 = new MemberAction(new Action(event, 1L), "토다리", IN, 1L);
+        MemberAction memberAction2 = new MemberAction(new Action(event, 2L), "쿠키", IN, 1L);
+        MemberAction memberAction3 = new MemberAction(new Action(event, 3L), "웨디", IN, 2L);
+        eventRepository.save(event);
+        memberActionRepository.saveAll(List.of(memberAction1, memberAction2, memberAction3));
+
+        MemberNamesUpdateAppRequest appRequest = new MemberNamesUpdateAppRequest(List.of(
+                new MemberNameUpdateAppRequest("쿠키", "쿡쿡"),
+                new MemberNameUpdateAppRequest("쿠키", "토쟁이")
+        ));
+
+        assertThatThrownBy(() -> eventService.updateMember(event.getToken(), appRequest))
+                .isInstanceOf(HaengdongException.class);
+    }
+
+    @DisplayName("변경 후 참여 인원 이름이 중복될 수 없다.")
+    @Test
+    void updateMember4() {
+        Event event = Fixture.EVENT1;
+        MemberAction memberAction1 = new MemberAction(new Action(event, 1L), "토다리", IN, 1L);
+        MemberAction memberAction2 = new MemberAction(new Action(event, 2L), "쿠키", IN, 1L);
+        MemberAction memberAction3 = new MemberAction(new Action(event, 3L), "웨디", IN, 2L);
+        eventRepository.save(event);
+        memberActionRepository.saveAll(List.of(memberAction1, memberAction2, memberAction3));
+
+        MemberNamesUpdateAppRequest appRequest = new MemberNamesUpdateAppRequest(List.of(
+                new MemberNameUpdateAppRequest("쿠키", "쿡쿡"),
+                new MemberNameUpdateAppRequest("토다리", "쿡쿡")
+        ));
+
+        assertThatThrownBy(() -> eventService.updateMember(event.getToken(), appRequest))
                 .isInstanceOf(HaengdongException.class);
     }
 }