[BE] 페어 이름 액세스코드로 방 조회 api, 방 이름 구현

backend/src/main/java/site/coduo/pairroom/controller/PairRoomController.java

@@ -25,8 +25,10 @@
 import site.coduo.pairroom.service.PairRoomService;
 import site.coduo.pairroom.service.dto.PairRoomCreateRequest;
 import site.coduo.pairroom.service.dto.PairRoomCreateResponse;
+import site.coduo.pairroom.service.dto.PairRoomExistByEasyAccessCodeResponse;
 import site.coduo.pairroom.service.dto.PairRoomExistResponse;
 import site.coduo.pairroom.service.dto.PairRoomMemberResponse;
+import site.coduo.pairroom.service.dto.PairRoomNameUpdateRequest;
 import site.coduo.pairroom.service.dto.PairRoomReadRequest;
 import site.coduo.pairroom.service.dto.PairRoomReadResponse;
 import site.coduo.pairroom.service.dto.PairRoomStatusUpdateRequest;
@@ -95,6 +97,14 @@ public ResponseEntity<PairRoomExistResponse> pairRoomExists(@RequestParam("acces
         return ResponseEntity.ok(response);
     }
 
+    @GetMapping("/pair-room/exists/easy")
+    public ResponseEntity<PairRoomExistByEasyAccessCodeResponse> pairRoomExistsByEasyAccessCode(
+            @RequestParam("easy_access_code") final String easyAccessCode) {
+        final PairRoomExistByEasyAccessCodeResponse response = pairRoomService.existsByEasyAccessCode(easyAccessCode);
+
+        return ResponseEntity.ok(response);
+    }
+
     @DeleteMapping("/pair-room/{accessCode}")
     public ResponseEntity<Void> deletePairRoom(@PathVariable("accessCode") final String accessCode) {
         pairRoomService.deletePairRoom(accessCode);
@@ -111,4 +121,14 @@ public ResponseEntity<ExistMemberInPairRoomResponse> existMemberInPairRoom(
         final ExistMemberInPairRoomResponse response = new ExistMemberInPairRoomResponse(existMemberInPairRoom);
         return ResponseEntity.ok(response);
     }
+
+    @PatchMapping("/pair-room/{accessCode}/room-name")
+    public ResponseEntity<Void> updatePairRoomName(
+            @PathVariable("accessCode") final String accessCode,
+            @Valid @RequestBody PairRoomNameUpdateRequest pairRoomNameUpdateRequest) {
+        pairRoomService.updatePairRoomName(accessCode, pairRoomNameUpdateRequest.roomName());
+
+        return ResponseEntity.noContent()
+                .build();
+    }
 }

backend/src/main/java/site/coduo/pairroom/controller/docs/PairRoomDocs.java

@@ -15,8 +15,10 @@
 import site.coduo.pairroom.controller.dto.request.ExistMemberInPairRoomResponse;
 import site.coduo.pairroom.service.dto.PairRoomCreateRequest;
 import site.coduo.pairroom.service.dto.PairRoomCreateResponse;
+import site.coduo.pairroom.service.dto.PairRoomExistByEasyAccessCodeResponse;
 import site.coduo.pairroom.service.dto.PairRoomExistResponse;
 import site.coduo.pairroom.service.dto.PairRoomMemberResponse;
+import site.coduo.pairroom.service.dto.PairRoomNameUpdateRequest;
 import site.coduo.pairroom.service.dto.PairRoomReadRequest;
 import site.coduo.pairroom.service.dto.PairRoomReadResponse;
 import site.coduo.pairroom.service.dto.PairRoomStatusUpdateRequest;
@@ -76,6 +78,11 @@ ResponseEntity<List<PairRoomMemberResponse>> getPairRooms(
             schema = @Schema(implementation = PairRoomExistResponse.class)))
     ResponseEntity<PairRoomExistResponse> pairRoomExists(String accessCode);
 
+    @Operation(summary = "페어 이름 액세스 코드로 페어룸이 존재하는지 조회한다.")
+    @ApiResponse(responseCode = "200", description = "페어룸 존재 여부, 페어룸 접근 코드", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE,
+            schema = @Schema(implementation = PairRoomExistByEasyAccessCodeResponse.class)))
+    ResponseEntity<PairRoomExistByEasyAccessCodeResponse> pairRoomExistsByEasyAccessCode(String easyAccessCode);
+
     @Operation(summary = "페어룸을 삭제한다.")
     @ApiResponse(responseCode = "204", description = "페어룸 삭제 성공")
     ResponseEntity<Void> deletePairRoom(
@@ -92,4 +99,13 @@ ResponseEntity<ExistMemberInPairRoomResponse> existMemberInPairRoom(
             @Parameter(description = "페어룸 접근 코드", required = true)
             String pairRoomAccessCode
     );
+
+    @Operation(summary = "페어룸 이름을 변경한다.")
+    @ApiResponse(responseCode = "204", description = "페어룸 이름 변경 성공")
+    ResponseEntity<Void> updatePairRoomName(
+            @Parameter(description = "페어룸 접근 코드", required = true)
+            String accessCode,
+            @Parameter(description = "변경할 페어룸 이름", required = true)
+            PairRoomNameUpdateRequest request
+    );
 }

backend/src/main/java/site/coduo/pairroom/domain/PairRoom.java

@@ -15,6 +15,7 @@ public class PairRoom {
     private final MissionUrl missionUrl;
     private final AccessCode accessCode;
     private final AccessCode easyAccessCode;
+    private final RoomName roomName;
 
     public String getAccessCodeText() {
         return accessCode.getValue();
@@ -36,6 +37,10 @@ public String getEasyAccessCodeText() {
         return easyAccessCode.getValue();
     }
 
+    public String getRoomName() {
+        return roomName.getValue();
+    }
+
     @Override
     public boolean equals(final Object o) {
         if (this == o) {
@@ -61,6 +66,7 @@ public String toString() {
                 ", missionUrl=" + missionUrl +
                 ", accessCode=" + accessCode +
                 ", easyAccessCode=" + easyAccessCode +
+                ", roomName=" + roomName +
                 '}';
     }
 }

backend/src/main/java/site/coduo/pairroom/domain/RoomName.java

@@ -0,0 +1,37 @@
+package site.coduo.pairroom.domain;
+
+import lombok.Getter;
+import site.coduo.pairroom.exception.InvalidNameFormatException;
+
+@Getter
+public class RoomName {
+
+    private static final String DEFAULT_ROOM_NAME_SUFFIX = "의 페어룸";
+    private static final int MAX_LENGTH = 35;
+
+    private final String value;
+
+    public RoomName(final String value) {
+        validateEmpty(value);
+        final String trimmedValue = value.trim();
+        validateLength(trimmedValue);
+        this.value = trimmedValue;
+    }
+
+    public static RoomName makeDefaultRoomNameFrom(final String easyAccessCode) {
+        final String defaultRoomName = easyAccessCode + DEFAULT_ROOM_NAME_SUFFIX;
+        return new RoomName(defaultRoomName);
+    }
+
+    private void validateEmpty(final String value) {
+        if (value == null || value.isBlank()) {
+            throw new InvalidNameFormatException("페어룸 이름이 비어있습니다.");
+        }
+    }
+
+    private void validateLength(final String value) {
+        if (value.length() > MAX_LENGTH) {
+            throw new InvalidNameFormatException(String.format("페어룸 이름은 %d자 이하여야 합니다.", MAX_LENGTH));
+        }
+    }
+}

backend/src/main/java/site/coduo/pairroom/repository/PairRoomEntity.java

@@ -21,6 +21,7 @@
 import site.coduo.pairroom.domain.PairName;
 import site.coduo.pairroom.domain.PairRoom;
 import site.coduo.pairroom.domain.PairRoomStatus;
+import site.coduo.pairroom.domain.RoomName;
 import site.coduo.pairroom.domain.accesscode.AccessCode;
 
 @Getter
@@ -53,21 +54,26 @@ public class PairRoomEntity extends BaseTimeEntity {
     @Column(name = "EASY_ACCESS_CODE", nullable = false, unique = true)
     private String easyAccessCode;
 
+    @Column(name = "ROOM_NAME", nullable = false)
+    private String roomName;
+
     @Builder
     private PairRoomEntity(final Long id,
                            final PairRoomStatus status,
                            final String navigator,
                            final String driver,
                            final String missionUrl,
                            final String accessCode,
-                           final String easyAccessCode) {
+                           final String easyAccessCode,
+                           final String roomName) {
         this.id = id;
         this.status = status;
         this.navigator = navigator;
         this.driver = driver;
         this.missionUrl = missionUrl;
         this.accessCode = accessCode;
         this.easyAccessCode = easyAccessCode;
+        this.roomName = roomName;
     }
 
     public static PairRoomEntity from(final PairRoom pairRoom) {
@@ -78,7 +84,8 @@ public static PairRoomEntity from(final PairRoom pairRoom) {
                 pairRoom.getDriverName(),
                 pairRoom.getMissionUrl(),
                 pairRoom.getAccessCodeText(),
-                pairRoom.getEasyAccessCodeText()
+                pairRoom.getEasyAccessCodeText(),
+                pairRoom.getRoomName()
         );
     }
 
@@ -88,14 +95,19 @@ public PairRoom toDomain() {
                 new Pair(new PairName(navigator), new PairName(driver)),
                 new MissionUrl(missionUrl),
                 new AccessCode(accessCode),
-                new AccessCode(easyAccessCode)
+                new AccessCode(easyAccessCode),
+                new RoomName(roomName)
         );
     }
 
     public void updateStatus(final PairRoomStatus status) {
         this.status = status;
     }
 
+    public void updateRoomName(final RoomName roomName) {
+        this.roomName = roomName.getValue();
+    }
+
     public void swapNavigatorWithDriver() {
         final String temp = this.navigator;
         this.navigator = this.driver;
@@ -133,6 +145,7 @@ public String toString() {
                 ", missionUrl='" + missionUrl + '\'' +
                 ", accessCode='" + accessCode + '\'' +
                 ", easyAccessCode='" + easyAccessCode + '\'' +
+                ", roomName='" + roomName + '\'' +
                 '}';
     }
 }

backend/src/main/java/site/coduo/pairroom/repository/PairRoomRepository.java

@@ -12,6 +12,8 @@ public interface PairRoomRepository extends JpaRepository<PairRoomEntity, Long>
 
     Optional<PairRoomEntity> findByAccessCode(String accessCode);
 
+    Optional<PairRoomEntity> findByEasyAccessCode(String easyAccessCode);
+
     default PairRoomEntity fetchByAccessCode(String accessCodeText) {
         return findByAccessCode(accessCodeText)
                 .orElseThrow(() -> new PairRoomNotFoundException("존재하지 않는 페어룸 접근 코드입니다."));

backend/src/main/java/site/coduo/pairroom/service/PairRoomService.java

@@ -1,6 +1,7 @@
 package site.coduo.pairroom.service;
 
 import java.util.List;
+import java.util.Optional;
 
 import jakarta.annotation.Nullable;
 import jakarta.persistence.EntityNotFoundException;
@@ -17,6 +18,7 @@
 import site.coduo.pairroom.domain.PairName;
 import site.coduo.pairroom.domain.PairRoom;
 import site.coduo.pairroom.domain.PairRoomStatus;
+import site.coduo.pairroom.domain.RoomName;
 import site.coduo.pairroom.domain.accesscode.AccessCode;
 import site.coduo.pairroom.domain.accesscode.generator.AccessCodeGenerator;
 import site.coduo.pairroom.domain.accesscode.generator.EasyAccessCodeGenerator;
@@ -27,6 +29,7 @@
 import site.coduo.pairroom.repository.PairRoomMemberRepository;
 import site.coduo.pairroom.repository.PairRoomRepository;
 import site.coduo.pairroom.service.dto.PairRoomCreateRequest;
+import site.coduo.pairroom.service.dto.PairRoomExistByEasyAccessCodeResponse;
 import site.coduo.pairroom.service.dto.PairRoomMemberResponse;
 import site.coduo.pairroom.service.dto.PairRoomReadResponse;
 import site.coduo.timer.domain.Timer;
@@ -71,6 +74,13 @@ public boolean existsByAccessCode(final String accessCode) {
         return pairRoomRepository.existsByAccessCodeAndStatusNot(accessCode, PairRoomStatus.DELETED);
     }
 
+    public PairRoomExistByEasyAccessCodeResponse existsByEasyAccessCode(final String easyAccessCode) {
+        final Optional<PairRoomEntity> pairRoom = pairRoomRepository.findByEasyAccessCode(easyAccessCode);
+        return pairRoom.map(
+                        pairRoomEntity -> new PairRoomExistByEasyAccessCodeResponse(true, pairRoomEntity.getAccessCode()))
+                .orElseGet(() -> new PairRoomExistByEasyAccessCodeResponse(false, null));
+    }
+
     private PairRoom createPairRoom(final PairRoomCreateRequest request) {
         final AccessCode uuidAccessCode = generateAccessCode(new UUIDAccessCodeGenerator());
         final AccessCode easyAccessCode = generateAccessCode(
@@ -79,7 +89,8 @@ private PairRoom createPairRoom(final PairRoomCreateRequest request) {
         final PairRoomStatus status = PairRoomStatus.IN_PROGRESS;
         final Pair pair = new Pair(new PairName(request.navigator()), new PairName(request.driver()));
         final MissionUrl missionUrl = new MissionUrl(request.missionUrl());
-        return new PairRoom(status, pair, missionUrl, uuidAccessCode, easyAccessCode);
+        final RoomName roomName = RoomName.makeDefaultRoomNameFrom(easyAccessCode.getValue());
+        return new PairRoom(status, pair, missionUrl, uuidAccessCode, easyAccessCode, roomName);
     }
 
     private AccessCode generateAccessCode(final AccessCodeGenerator accessCodeGenerator) {
@@ -162,4 +173,11 @@ private PairRoomEntity findPairRoom(final String pairRoomAccessCode) {
                 .orElseThrow(() -> new EntityNotFoundException(
                         "입력된 페어룸 접근 코드에 대응되는 페어룸이 존재하지 않습니다. - " + pairRoomAccessCode));
     }
+
+    @Transactional
+    public void updatePairRoomName(final String accessCode, final String roomName) {
+        final PairRoomEntity pairRoomEntity = pairRoomRepository.fetchByAccessCode(accessCode);
+        final RoomName updateRoomName = new RoomName(roomName);
+        pairRoomEntity.updateRoomName(updateRoomName);
+    }
 }

backend/src/main/java/site/coduo/pairroom/service/dto/PairRoomExistByEasyAccessCodeResponse.java

@@ -0,0 +1,13 @@
+package site.coduo.pairroom.service.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema(description = "페어 이름 액세스코드로 페어룸 존재 여부 확인 응답 바디")
+public record PairRoomExistByEasyAccessCodeResponse(
+        @Schema(description = "페어룸 존재 확인")
+        boolean exists,
+
+        @Schema(description = "페어룸 접근 코드")
+        String accessCode
+) {
+}

backend/src/main/java/site/coduo/pairroom/service/dto/PairRoomMemberResponse.java

@@ -7,11 +7,13 @@ public record PairRoomMemberResponse(
         String status,
         String navigator,
         String driver,
-        String accessCode
+        String accessCode,
+        String easyAccessCode,
+        String roomName
 ) {
 
     public static PairRoomMemberResponse from(final PairRoomEntity pairRoom) {
         return new PairRoomMemberResponse(pairRoom.getId(), pairRoom.getStatus().name(), pairRoom.getNavigator(),
-                pairRoom.getDriver(), pairRoom.getAccessCode());
+                pairRoom.getDriver(), pairRoom.getAccessCode(), pairRoom.getEasyAccessCode(), pairRoom.getRoomName());
     }
 }

backend/src/main/java/site/coduo/pairroom/service/dto/PairRoomNameUpdateRequest.java

@@ -0,0 +1,13 @@
+package site.coduo.pairroom.service.dto;
+
+import jakarta.validation.constraints.NotBlank;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema(description = "페어룸 이름 변경 요청 바디")
+public record PairRoomNameUpdateRequest(
+        @Schema(description = "변경할 페어룸 이름", example = "파슬리와 함께한 페어룸")
+        @NotBlank
+        String roomName
+) {
+}

backend/src/main/java/site/coduo/pairroom/service/dto/PairRoomReadResponse.java

@@ -22,7 +22,13 @@ public record PairRoomReadResponse(
         long remainingTime,
 
         @Schema(description = "미션 리포지토리 링크", example = "https://github.com/coduo-missions/coduo-javascript-rps")
-        String missionUrl
+        String missionUrl,
+
+        @Schema(description = "페어 이름 액세스 코드", example = "짓궂은프람과 언짢은레모네")
+        String easyAccessCode,
+
+        @Schema(description = "방 이름", example = "짓궂은프람과 언짢은레모네의 페어룸")
+        String roomName
 ) {
 
     public static PairRoomReadResponse of(final PairRoom pairRoom, final Timer timer) {
@@ -32,7 +38,9 @@ public static PairRoomReadResponse of(final PairRoom pairRoom, final Timer timer
                 pairRoom.getStatus().name(),
                 timer.getDuration(),
                 timer.getRemainingTime(),
-                pairRoom.getMissionUrl()
+                pairRoom.getMissionUrl(),
+                pairRoom.getEasyAccessCodeText(),
+                pairRoom.getRoomName()
         );
     }
 }