feat: 마이페이지 구현

src/main/java/com/codeit/todo/repository/FollowRepository.java

@@ -0,0 +1,17 @@
+package com.codeit.todo.repository;
+
+
+import com.codeit.todo.domain.Follow;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+public interface FollowRepository extends JpaRepository<Follow, Integer> {
+    @Query("SELECT COUNT(*) FROM Follow f " +
+            "WHERE f.follower.userId = :userId ")
+    int countByFollower(@Param("userId") int userId);
+
+    @Query("SELECT COUNT(*) FROM Follow f " +
+            "WHERE f.followee.userId = :userId ")
+    int countByFollowee(int userId);
+}

src/main/java/com/codeit/todo/service/user/UserService.java

@@ -4,10 +4,7 @@
 import com.codeit.todo.web.dto.request.auth.SignUpRequest;
 import com.codeit.todo.web.dto.request.auth.UpdatePasswordRequest;
 import com.codeit.todo.web.dto.request.auth.UpdatePictureRequest;
-import com.codeit.todo.web.dto.response.auth.ReadUserResponse;
-import com.codeit.todo.web.dto.response.auth.SignUpResponse;
-import com.codeit.todo.web.dto.response.auth.UpdatePasswordResponse;
-import com.codeit.todo.web.dto.response.auth.UpdatePictureResponse;
+import com.codeit.todo.web.dto.response.auth.*;
 
 public interface UserService {
 
@@ -20,4 +17,6 @@ public interface UserService {
     UpdatePictureResponse updateProfilePicture(int userId, UpdatePictureRequest pictureRequest);
 
     UpdatePasswordResponse updatePassword(int userId, UpdatePasswordRequest passwordRequest);
+
+    ReadMyPageResponse findUserInfoAndFollows(int userId);
 }

src/main/java/com/codeit/todo/service/user/impl/UserServiceImpl.java

@@ -6,18 +6,17 @@
 import com.codeit.todo.common.exception.user.SignUpException;
 import com.codeit.todo.common.exception.user.UpdatePasswordException;
 import com.codeit.todo.common.exception.user.UserNotFoundException;
+import com.codeit.todo.domain.Follow;
 import com.codeit.todo.domain.User;
+import com.codeit.todo.repository.FollowRepository;
 import com.codeit.todo.repository.UserRepository;
 import com.codeit.todo.service.storage.StorageService;
 import com.codeit.todo.service.user.UserService;
 import com.codeit.todo.web.dto.request.auth.LoginRequest;
 import com.codeit.todo.web.dto.request.auth.SignUpRequest;
 import com.codeit.todo.web.dto.request.auth.UpdatePasswordRequest;
 import com.codeit.todo.web.dto.request.auth.UpdatePictureRequest;
-import com.codeit.todo.web.dto.response.auth.ReadUserResponse;
-import com.codeit.todo.web.dto.response.auth.SignUpResponse;
-import com.codeit.todo.web.dto.response.auth.UpdatePasswordResponse;
-import com.codeit.todo.web.dto.response.auth.UpdatePictureResponse;
+import com.codeit.todo.web.dto.response.auth.*;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -35,6 +34,7 @@
 @RequiredArgsConstructor
 public class UserServiceImpl implements UserService {
     private final UserRepository userRepository;
+    private final FollowRepository followRepository;
     private final AuthenticationManager authenticationManager;
     private final JwtTokenProvider jwtTokenProvider;
     private final PasswordEncoder passwordEncoder;
@@ -135,6 +135,17 @@ public UpdatePasswordResponse updatePassword(int userId, UpdatePasswordRequest p
         return new UpdatePasswordResponse(userId);
     }
 
+    @Override
+    public ReadMyPageResponse findUserInfoAndFollows(int userId) {
+        User user = getUser(userId);
+
+        int followerCount = followRepository.countByFollower(userId);
+        int followeeCount = followRepository.countByFollowee(userId);
+
+
+        return ReadMyPageResponse.from(user, followerCount, followeeCount);
+    }
+
     private User getUser(int userId){
         User user = userRepository.findById(userId)
                 .orElseThrow(()-> new UserNotFoundException(String.valueOf(userId), "User"));

src/main/java/com/codeit/todo/web/controller/AuthController.java

@@ -8,6 +8,7 @@
 import com.codeit.todo.web.dto.request.auth.UpdatePasswordRequest;
 import com.codeit.todo.web.dto.request.auth.UpdatePictureRequest;
 import com.codeit.todo.web.dto.response.Response;
+import com.codeit.todo.web.dto.response.auth.ReadMyPageResponse;
 import com.codeit.todo.web.dto.response.auth.UpdatePasswordResponse;
 import com.codeit.todo.web.dto.response.auth.UpdatePictureResponse;
 import io.swagger.v3.oas.annotations.Operation;
@@ -76,7 +77,7 @@ public Response<UpdatePictureResponse> updateUserProfilePicture(
     }
 
     @Operation(
-            summary = "비밀번호 변정",
+            summary = "비밀번호 변경",
             description = "기존 비밀번호를 확인하고, 새로운 비밀번호로 변경"
     )
     @ApiResponses(value = {
@@ -90,4 +91,16 @@ public Response<UpdatePasswordResponse> updateUserPassword(
         int userId = userDetails.getUserId();
         return Response.ok(userService.updatePassword(userId, passwordRequest));
     }
+
+
+    @Operation(summary = "마이페이지 가져오기", description = "유저 정보, 팔로워 팔로이 수 가져오기")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "조회 성공")
+    })
+    @GetMapping(value = "/mypage")
+    public Response<ReadMyPageResponse> getMyPage(@AuthenticationPrincipal CustomUserDetails customUserDetails){
+        int userId = customUserDetails.getUserId();
+        return Response.ok( userService.findUserInfoAndFollows(userId));
+    }
+
 }

src/main/java/com/codeit/todo/web/dto/response/auth/ReadMyPageResponse.java

@@ -0,0 +1,24 @@
+package com.codeit.todo.web.dto.response.auth;
+
+import com.codeit.todo.domain.User;
+import lombok.Builder;
+
+@Builder
+public record ReadMyPageResponse(
+        String name,
+        String email,
+        String profilePic,
+
+        int followerCount,
+        int followeeCount
+) {
+    public static ReadMyPageResponse from(User user, int followerCount, int followeeCount){
+        return ReadMyPageResponse.builder()
+                .name(user.getName())
+                .email(user.getEmail())
+                .profilePic(user.getProfilePic())
+                .followerCount(followerCount)
+                .followeeCount(followeeCount)
+                .build();
+    }
+}