[merge] 게스트 프로필 조회 API 구현

[feat] 게스트 프로필 조회 API 구현

src/main/java/com/pickple/server/api/guest/controller/GuestController.java

@@ -2,10 +2,12 @@
 
 import com.pickple.server.api.guest.dto.request.GuestUpdateRequest;
 import com.pickple.server.api.guest.service.GuestCommandService;
+import com.pickple.server.api.guest.service.GuestQueryService;
 import com.pickple.server.global.response.ApiResponseDto;
 import com.pickple.server.global.response.enums.SuccessCode;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -15,14 +17,21 @@
 @RestController
 @RequestMapping("/api")
 @RequiredArgsConstructor
-public class GuestController {
+public class GuestController implements GuestControllerDocs {
 
     private final GuestCommandService guestCommandService;
+    private final GuestQueryService guestQueryService;
 
     @PatchMapping("/v2/guest/{guestId}")
     public ApiResponseDto updateGuestProfile(@PathVariable final Long guestId,
                                              @RequestBody @Valid final GuestUpdateRequest guestUpdateRequest) {
         guestCommandService.updateGuestNickname(guestId, guestUpdateRequest);
         return ApiResponseDto.success(SuccessCode.GUEST_PROFILE_UPDATE_SUCCESS);
     }
+
+    @GetMapping("/v2/guest/{guestId}")
+    public ApiResponseDto getGuest(@PathVariable final Long guestId) {
+        return ApiResponseDto.success(SuccessCode.GUEST_GET_SUCCESS, guestQueryService.getGuest(guestId));
+    }
+
 }

src/main/java/com/pickple/server/api/guest/controller/GuestControllerDocs.java

@@ -0,0 +1,36 @@
+package com.pickple.server.api.guest.controller;
+
+import com.pickple.server.api.guest.dto.request.GuestUpdateRequest;
+import com.pickple.server.global.response.ApiResponseDto;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+
+@Tag(name = "Guest", description = "Guest 관련 API")
+public interface GuestControllerDocs {
+
+    @Operation(summary = "게스트 프로필 수정")
+    @ApiResponses(
+            value = {
+                    @ApiResponse(responseCode = "20034", description = "게스트 프로필 수정 성공"),
+                    @ApiResponse(responseCode = "40008", description = "이미 존재하는 닉네임입니다."),
+                    @ApiResponse(responseCode = "40403", description = "존재하지 않는 게스트입니다.")
+            }
+    )
+    ApiResponseDto updateGuestProfile(
+            final Long guestId,
+            final GuestUpdateRequest guestUpdateRequest
+    );
+
+    @Operation(summary = "게스트 프로필 조회")
+    @ApiResponses(
+            value = {
+                    @ApiResponse(responseCode = "20041", description = "게스트 프로필 조회 성공"),
+                    @ApiResponse(responseCode = "40403", description = "존재하지 않는 게스트입니다.")
+            }
+    )
+    ApiResponseDto getGuest(
+            final Long guestId
+    );
+}

src/main/java/com/pickple/server/api/guest/dto/response/GuestGetResponse.java

@@ -0,0 +1,12 @@
+package com.pickple.server.api.guest.dto.response;
+
+import lombok.Builder;
+
+@Builder
+public record GuestGetResponse(
+
+        String guestImageUrl,
+
+        String guestNickname
+) {
+}

src/main/java/com/pickple/server/api/guest/service/GuestQueryService.java

@@ -0,0 +1,25 @@
+package com.pickple.server.api.guest.service;
+
+import com.pickple.server.api.guest.domain.Guest;
+import com.pickple.server.api.guest.dto.response.GuestGetResponse;
+import com.pickple.server.api.guest.repository.GuestRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class GuestQueryService {
+
+    private final GuestRepository guestRepository;
+
+    public GuestGetResponse getGuest(final Long guestId) {
+        Guest guest = guestRepository.findGuestByUserId(guestId);
+        return GuestGetResponse.builder()
+                .guestImageUrl(guest.getImageUrl())
+                .guestNickname(guest.getNickname())
+                .build();
+    }
+
+}

src/main/java/com/pickple/server/global/response/enums/SuccessCode.java

@@ -49,8 +49,8 @@ public enum SuccessCode {
     REVIEW_LIST_BY_MOIM_GET_SUCCESS(20037, HttpStatus.OK, "모임에 해당하는 리뷰 조회 성공"),
     REVIEW_LIST_BY_HOST_GET_SUCCESS(20038, HttpStatus.OK, "호스트에 해당하는 리뷰 전체 조회 성공"),
     MOIM_FOR_REVIEW_GET_SUCCESS(20039, HttpStatus.OK, "리뷰 작성 시 모임 정보 조회 성공"),
-
     MOIM_LIST_BY_HOST(20040, HttpStatus.OK, "호스트에 해당하는 모임 조회 성공"),
+    GUEST_GET_SUCCESS(20041, HttpStatus.OK, "게스트 프로필 조회 성공"),
 
     // 201 Created
     MOIM_CREATE_SUCCESS(20100, HttpStatus.CREATED, "모임 개설 성공"),