Merge pull request #103 from Cod2-Crafters/feat-random-memberinfo

메인 페이지에 random memberinfo 반환 API 추가

Author: 213kky

src/main/java/com/codecrafter/commenting/controller/MemberController.java

@@ -4,11 +4,13 @@
 import com.codecrafter.commenting.domain.entity.MemberAuth;
 import com.codecrafter.commenting.domain.request.SignInRequest;
 import com.codecrafter.commenting.domain.request.SignUpRequest;
+import com.codecrafter.commenting.domain.response.MemberInfoResponse;
 import com.codecrafter.commenting.domain.response.SignInResponse;
 import com.codecrafter.commenting.domain.response.SignUpResponse;
 import com.codecrafter.commenting.service.MemberService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import java.util.List;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpHeaders;
@@ -100,4 +102,16 @@ public ResponseEntity<ApiResponse> checkEmailDuplicate(@Parameter(description =
 //        log.info("getUser memberAuth : {}", memberAuth.getId());
 //        return memberAuth.getEmail();
 //    }
+
+    @Operation(summary = "회원 정보 랜덤 조회",
+        description = """
+                        회원 정보 랜덤 조회</br>
+                        {host}/api/member/random
+                        """)
+    @GetMapping("/random")
+    public ResponseEntity<ApiResponse> getRandomMembers() {
+        List<MemberInfoResponse> memberInfoResponses = memberService.getRandomMembers();
+        return ResponseEntity.ok().body(ApiResponse.success(memberInfoResponses));
+    }
+
 }

src/main/java/com/codecrafter/commenting/domain/response/MemberInfoResponse.java

@@ -0,0 +1,13 @@
+package com.codecrafter.commenting.domain.response;
+
+import com.codecrafter.commenting.domain.entity.MemberInfo;
+
+public record MemberInfoResponse(
+    Long id,
+    String avatarPath,
+    String nickName
+) {
+    public static MemberInfoResponse from(MemberInfo memberInfo) {
+        return new MemberInfoResponse(memberInfo.getId(), memberInfo.getAvatarPath(), memberInfo.getNickname());
+    }
+}

src/main/java/com/codecrafter/commenting/repository/MemberInfoRepository.java

@@ -1,14 +1,21 @@
 package com.codecrafter.commenting.repository;
 
 import com.codecrafter.commenting.domain.entity.MemberInfo;
-import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 
 public interface MemberInfoRepository extends JpaRepository<MemberInfo, Long> {
     Optional<MemberInfo> findByEmail(String email);
     List<MemberInfo> findByCreatedAtBefore(LocalDateTime cutoffDate);
 
+    @Query(
+        value = """
+            SELECT m.id
+            FROM MemberInfo m
+            """
+    )
+    List<Long> findAllIds();
 }

src/main/java/com/codecrafter/commenting/service/MemberService.java

@@ -1,13 +1,13 @@
 package com.codecrafter.commenting.service;
 
-import com.codecrafter.commenting.config.SecurityUtil;
 import com.codecrafter.commenting.config.jwt.TokenProvider;
 import com.codecrafter.commenting.domain.entity.MemberAuth;
 import com.codecrafter.commenting.domain.entity.MemberInfo;
 import com.codecrafter.commenting.domain.entity.MemberSetting;
 import com.codecrafter.commenting.domain.enumeration.Provider;
 import com.codecrafter.commenting.domain.request.SignInRequest;
 import com.codecrafter.commenting.domain.request.SignUpRequest;
+import com.codecrafter.commenting.domain.response.MemberInfoResponse;
 import com.codecrafter.commenting.domain.response.SignInResponse;
 import com.codecrafter.commenting.domain.response.SignUpResponse;
 import com.codecrafter.commenting.exception.AuthenticationFailedException;
@@ -16,7 +16,10 @@
 import com.codecrafter.commenting.repository.MemberSettingRepository;
 import io.jsonwebtoken.Claims;
 import jakarta.validation.Valid;
+import java.util.Collections;
+import java.util.List;
 import java.util.Optional;
+import java.util.concurrent.ThreadLocalRandom;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.dao.DataIntegrityViolationException;
@@ -29,6 +32,7 @@
 @Slf4j
 @Transactional(readOnly = true)
 public class MemberService {
+
     private final MemberAuthRepository memberAuthRepository;
     private final MemberInfoRepository memberInfoRepository;
     private final MemberSettingRepository memberSettingRepository;
@@ -107,4 +111,20 @@ public boolean chkDupEmail(String email) {
         return false;
     }
 
+        @Transactional(readOnly = true)
+        public List<MemberInfoResponse> getRandomMembers() {
+            List<Long> ids = memberInfoRepository.findAllIds();
+            Collections.shuffle(ids, ThreadLocalRandom.current());
+
+            ids = ids.stream()
+                    .limit(10)
+                    .toList();
+
+            List<MemberInfo> memberInfos = memberInfoRepository.findAllById(ids);
+
+            return memberInfos.stream()
+                            .map(MemberInfoResponse::from)
+                            .toList();
+        }
+
 }