Merge pull request #14 from DevKor-github/dev

feat: patch /participants/{id} 추가

Author: eastlight82

src/main/java/com/workingdead/meet/controller/ParticipantController.java

@@ -68,6 +68,25 @@ public ResponseEntity<Void> remove(@PathVariable Long participantId) {
         participantService.remove(participantId);
         return ResponseEntity.noContent().build();
     }
+
+    @Operation(
+            summary = "참여자 정보 수정",
+            description = "참여자의 displayName 등 기본 정보를 수정합니다."
+    )
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", description = "참여자 수정 성공",
+                    content = @Content(schema = @Schema(implementation = ParticipantDtos.ParticipantRes.class))),
+            @ApiResponse(responseCode = "404", description = "참여자를 찾을 수 없음", content = @Content)
+    })
+    @PatchMapping("/participants/{participantId}")
+    public ResponseEntity<ParticipantDtos.ParticipantRes> updateParticipant(
+            @PathVariable Long participantId,
+            @Valid @RequestBody ParticipantDtos.UpdateParticipantReq request) {
+
+        ParticipantDtos.ParticipantRes response =
+                participantService.updateParticipant(participantId, request);
+        return ResponseEntity.ok(response);
+    }
 
     @Operation(
             summary = "참여자 목록 조회 (로그인 칩)",

src/main/java/com/workingdead/meet/dto/ParticipantDtos.java

@@ -8,6 +8,7 @@
 
 public class ParticipantDtos {
     public record CreateParticipantReq(@NotBlank String displayName) {}
+    public record UpdateParticipantReq(String displayName) {}
     public record ParticipantRes(Long id, String displayName,boolean loggedIn // 로그인 상태
         ) {}
 

src/main/java/com/workingdead/meet/service/ParticipantService.java

@@ -37,6 +37,24 @@ public ParticipantDtos.ParticipantRes add(Long voteId, String displayName) {
         return new ParticipantDtos.ParticipantRes(p.getId(), p.getDisplayName(), false);
     }
 
+    public ParticipantDtos.ParticipantRes updateParticipant(Long participantId, ParticipantDtos.UpdateParticipantReq request) {
+        Participant participant = participantRepo.findById(participantId)
+                .orElseThrow(() -> new NoSuchElementException("Participant not found"));
+
+        // displayName 수정 (null이 아닌 경우만)
+        if (request.displayName() != null && !request.displayName().isBlank()) {
+            participant.setDisplayName(request.displayName());
+        }
+
+        Participant saved = participantRepo.save(participant);
+
+        return new ParticipantDtos.ParticipantRes(
+                saved.getId(),
+                saved.getDisplayName(),
+                false
+        );
+    }
+
     @Transactional
     public ParticipantDtos.ParticipantRes submit(Long participantId) {
         Participant participant = participantRepo.findById(participantId)
@@ -204,4 +222,6 @@ public ParticipantDtos.ParticipantChoicesRes getParticipantChoices(Long particip
                 priorityInfos
         );
     }
+
+
 }