이름 변경 기능 추가

src/main/java/com/github/winkathon/lingo/domain/user/controller/UserController.java

@@ -4,12 +4,14 @@
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
 import com.github.winkathon.lingo.common.api.dto.response.ApiResponse;
 import com.github.winkathon.lingo.common.security.util.UserContext;
+import com.github.winkathon.lingo.domain.user.dto.request.ChangeNameRequest;
 import com.github.winkathon.lingo.domain.user.dto.response.UserListResponse;
 import com.github.winkathon.lingo.domain.user.dto.response.UserResponse;
 import com.github.winkathon.lingo.domain.user.schema.User;
@@ -47,4 +49,13 @@ public ApiResponse<Void> uploadAvatar(MultipartFile file) {
 
         return ApiResponse.ok();
     }
+
+    @PutMapping("/name")
+    public ApiResponse<Void> changeName(@RequestBody ChangeNameRequest request) {
+
+        User user = UserContext.getUser();
+        userService.changeName(user, request);
+
+        return ApiResponse.ok();
+    }
 }

src/main/java/com/github/winkathon/lingo/domain/user/dto/request/ChangeNameRequest.java

@@ -0,0 +1,7 @@
+package com.github.winkathon.lingo.domain.user.dto.request;
+
+public record ChangeNameRequest(
+
+        String name
+) {
+}

src/main/java/com/github/winkathon/lingo/domain/user/service/UserService.java

@@ -7,6 +7,7 @@
 
 import com.github.winkathon.lingo.domain.upload.schema.Image;
 import com.github.winkathon.lingo.domain.upload.util.UploadUtil;
+import com.github.winkathon.lingo.domain.user.dto.request.ChangeNameRequest;
 import com.github.winkathon.lingo.domain.user.dto.response.UserListResponse;
 import com.github.winkathon.lingo.domain.user.dto.response.UserResponse;
 import com.github.winkathon.lingo.domain.user.exception.UserNotFoundException;
@@ -46,5 +47,17 @@ public void uploadAvatar(User user, MultipartFile file) {
         Image image = uploadUtil.upload(user, file);
 
         user.setAvatar(image);
+        userRepository.save(user);
+    }
+
+    public void changeName(User user, ChangeNameRequest dto) {
+
+        String newName = dto.name();
+
+        User updateUser = userRepository.findById(user.getId())
+                .orElseThrow(UserNotFoundException::new);
+
+        updateUser.setName(newName);
+        userRepository.save(updateUser);
     }
 }