upd: added react friendly return

src/main/java/com/backend/glowhouse/controller/UserController.java

@@ -7,6 +7,8 @@ import com.backend.glowhouse.model.response.UserSummary;
 import com.backend.glowhouse.model.User;
 import com.backend.glowhouse.repository.UserRepository;
 import com.backend.glowhouse.security.UserPrincipal;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -17,16 +19,19 @@ import org.springframework.web.bind.annotation.*;
 @RestController
 @RequestMapping("/api")
 public class UserController {
+    ObjectMapper mapper = new ObjectMapper();
 
     @Autowired
     private UserRepository userRepository;
 
     private static final Logger logger = LoggerFactory.getLogger(UserController.class);
 
-    @GetMapping("/user/me")
+    @GetMapping("/user/details")
     @PreAuthorize("hasRole('USER')")
-    public UserSummary getCurrentUser(@AuthenticationPrincipal UserPrincipal currentUser) {
-        return new UserSummary(currentUser.getId(), currentUser.getUsername(), currentUser.getName());
+    public String getCurrentUserDetails(@AuthenticationPrincipal UserPrincipal currentUser) throws JsonProcessingException {
+        UserSummary userSummary = new UserSummary(currentUser.getId(), currentUser.getUsername(), currentUser.getName());
+
+        return mapper.writeValueAsString(userSummary);
     }
 
     @GetMapping("/user/checkUsernameAvailability")