로그인 + 친구목록 불러오기 완료!

src/main/java/com/mbtree/mbtree/controller/OAuthController.java

@@ -0,0 +1,97 @@
+package com.mbtree.mbtree.controller;
+
+import com.fasterxml.jackson.databind.DatabindContext;
+import com.mbtree.mbtree.config.BaseException;
+import com.mbtree.mbtree.domain.user.User;
+import com.mbtree.mbtree.domain.user.UserRepository;
+import com.mbtree.mbtree.service.OAuthService;
+import lombok.AllArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.client.RestTemplate;
+
+import javax.websocket.server.PathParam;
+import java.util.HashMap;
+
+@RestController
+@AllArgsConstructor
+@RequestMapping("/login")
+public class OAuthController {
+    //코드 받아오기
+    /**
+     * 카카오 callback
+     * [GET] /login/kakao/callback
+     */
+
+
+    @Autowired
+    private OAuthService oauthService;
+
+
+    //localhost:8080/login/kakao
+    @ResponseBody
+    @GetMapping("/kakao")
+    public ResponseEntity<String> kakaoCallback(@RequestParam String code) throws BaseException {
+
+//        User user = new User();
+
+        System.out.println("code : " + code);
+        String access_Token = oauthService.getKakaoAccessToken(code);
+        System.out.println("controller   : " + access_Token);
+
+        HashMap<String, Object> userInfo =  oauthService.getUserInfo(access_Token);
+        System.out.println("login Controller : " + userInfo);
+
+
+        String uuid = (String) userInfo.get("uuid");
+
+//        //TODO : OAuthService
+//        //userRepository에 uuid가 있는지 확인하고, 있으면 넘기고 없으면 저장
+//        User user = userRepository.findByUuid(uuid);
+//        if(user == null) {
+//            //insert
+//            user.setUuid((String) userInfo.get("uuid"));
+//            user.setName((String) userInfo.get("nickname"));
+//            user.setToken(access_Token);
+//            userRepository.save(user);
+//        }else{
+//            //update
+//            user.setToken(access_Token);
+//            userRepository.save(user);
+//        }
+
+
+
+        return ResponseEntity.ok("사용자 정보 받아옴");
+
+        //    클라이언트의 이메일이 존재할 때 세션에 해당 이메일과 토큰 등록
+//        if (userInfo.get("email") != null) {
+//            session.setAttribute("userId", userInfo.get("email"));
+//            session.setAttribute("access_Token", access_Token);
+//        }
+    }
+
+    @GetMapping("/getfriends")
+    public Object getFriends(@PathParam(value = "access_token") String access_token){
+//        oauthService.getFriends(access_token);
+        System.out.println("accessToken :"+access_token);
+        RestTemplate restTemplate = new RestTemplate();
+        HttpHeaders headers = new HttpHeaders();
+        HttpEntity<MultiValueMap<String, String>> request = new HttpEntity(headers);
+        ResponseEntity<String> response;
+        headers.add("Authorization", "Bearer " + access_token);
+
+
+//        headers.add("Content-type", "application/x-www-form-urlencoded;charset=utf-8");
+        String redirect_uri="https://kapi.kakao.com/v1/api/talk/friends";
+
+        response=restTemplate.exchange(redirect_uri, HttpMethod.GET,request,String.class);
+
+        return response;
+    }
+}

src/main/java/com/mbtree/mbtree/service/OAuthService.java

@@ -3,6 +3,10 @@
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.google.gson.JsonElement;
+import com.mbtree.mbtree.domain.user.User;
+import com.mbtree.mbtree.domain.user.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 
@@ -12,8 +16,11 @@
 import java.util.HashMap;
 
 @Service
+@RequiredArgsConstructor
 public class OAuthService{
 
+    private final UserRepository userRepository;
+
     public static String getKakaoAccessToken(String code) {
         String access_Token = "";
         String refresh_Token = "";
@@ -57,7 +64,7 @@ public static String getKakaoAccessToken(String code) {
 
             access_Token = element.getAsJsonObject().get("access_token").getAsString();
             refresh_Token = element.getAsJsonObject().get("refresh_token").getAsString();
-            // DB 저장
+
             System.out.println("access_token : " + access_Token);
             System.out.println("refresh_token : " + refresh_Token);
 
@@ -70,7 +77,7 @@ public static String getKakaoAccessToken(String code) {
         return access_Token;
     }
 //GetUserInfo
-    public static HashMap<String, Object> getUserInfo(String access_Token) {
+    public HashMap<String, Object> getUserInfo(String access_Token) {
 
         //    요청하는 클라이언트마다 가진 정보가 다를 수 있기에 HashMap타입으로 선언
         HashMap<String, Object> userInfo = new HashMap<>();
@@ -118,8 +125,26 @@ public static HashMap<String, Object> getUserInfo(String access_Token) {
             e.printStackTrace();
         }
 
+        String uuid = (String) userInfo.get("uuid");
+        //userRepository에 uuid가 있는지 확인하고, 있으면 넘기고 없으면 저장
+
+        User user = new User();
+        if(userRepository.findByUuid(uuid) == null) {
+            user.setUuid((String) userInfo.get("uuid"));
+            user.setName((String) userInfo.get("nickname"));
+            user.setToken(access_Token);
+            userRepository.save(user);
+        }else{
+            user = userRepository.findByUuid(uuid);
+            user.setToken(access_Token);
+            userRepository.save(user);
+        }
+
         return userInfo;
     }
 
 
+
+
+
 }