NABI-105--feat : 외부api를 이용한 닉네임 랜덤생성 구현

src/main/java/org/prgrms/nabimarketbe/domain/user/service/RandomNicknameGenerator.java

@@ -0,0 +1,39 @@
+package org.prgrms.nabimarketbe.domain.user.service;
+
+import java.util.List;
+import java.util.Map;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestTemplate;
+import org.springframework.web.util.UriComponents;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@Component
+public class RandomNicknameGenerator {
+	private static final String GENERATOR_URL = "https://nickname.hwanmoo.kr/?format=json&count=1";
+
+	private static final int NICKNAME_MAX_LENGTH = 6;
+
+	private final RestTemplate restTemplate;
+
+	private final ObjectMapper objectMapper;
+
+	public String generateRandomNickname() throws JsonProcessingException {
+		UriComponents uriComponents = UriComponentsBuilder.fromHttpUrl(GENERATOR_URL)
+			.queryParam("max_length", NICKNAME_MAX_LENGTH).build();
+
+		String apiResult = restTemplate.getForObject(uriComponents.toString(), String.class);
+		Map<String, Object> wordMap = objectMapper.readValue(apiResult, Map.class);
+
+		List<String> randomNicknames = (List<String>) wordMap.get("words");
+		String randomNickname = randomNicknames.get(0);
+
+		return randomNickname;
+	}
+}

src/main/java/org/prgrms/nabimarketbe/domain/user/service/SignService.java

@@ -19,6 +19,8 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
@@ -36,6 +38,8 @@ public class SignService {
 
     private final RefreshTokenJpaRepo tokenJpaRepo;
 
+    private final RandomNicknameGenerator randomNicknameGenerator;
+
     @Transactional
     public CommonResult signupBySocial(String accessToken) {
         KakaoProfile kakaoProfile = oAuth2Service.getKakaoProfile(accessToken);
@@ -97,13 +101,11 @@ public TokenResponseDTO reissue(TokenRequestDto tokenRequestDto) {
     }
 
     @Transactional
-    public User signUp(GoogleUserInfoDTO googleUserInfoDTO) {
-        User user = googleUserInfoDTO.toEntity("randomNickName");
+    public User signUp(GoogleUserInfoDTO googleUserInfoDTO) throws JsonProcessingException {
+        String randomNickname = randomNicknameGenerator.generateRandomNickname();
+        User user = googleUserInfoDTO.toEntity(randomNickname);
         User savedUser = userJpaRepo.save(user);
 
-        // TODO : 닉네임 랜덤 생성
-        log.info("modified date : {}", savedUser.getModifiedDate());
-
         return savedUser;
     }
 }

src/main/java/org/prgrms/nabimarketbe/oauth2/google/service/GoogleOAuth2Service.java

@@ -43,7 +43,14 @@ public UserLoginResponseDTO OAuth2Login(String code) throws JsonProcessingExcept
 
 		Optional<User> optionalUser = userRepository.findByNameAttributeKey(nameAttributeKey);
 
-		User user = optionalUser.orElseGet(() -> signService.signUp(googleUserInfoDTO));
+		User user = optionalUser.orElseGet(() -> {
+			try {
+				return signService.signUp(googleUserInfoDTO);
+			} catch (JsonProcessingException e) {
+				throw new RuntimeException("json parse failed");
+			}
+		});
+
 		TokenResponseDTO tokenResponseDTO = jwtProvider.createTokenDto(user.getUserId(), user.getRoles());
 
 		UserLoginResponseDTO response = UserLoginResponseDTO.from(user, tokenResponseDTO);