[Feature] 게시물 아카이브 대응 및 리팩토링

src/main/java/project/backend/business/post/implement/SummaryAIManager.java

@@ -1,8 +1,11 @@
 package project.backend.business.post.implement;
 
+import java.util.HashMap;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.json.JSONException;
+import org.json.JSONObject;
 import org.springframework.ai.chat.model.ChatResponse;
 import org.springframework.ai.chat.prompt.Prompt;
 import org.springframework.ai.vertexai.gemini.VertexAiGeminiChatModel;
@@ -12,6 +15,8 @@
 import project.backend.business.post.request.summary.SummaryOption;
 import project.backend.business.post.response.dto.SummaryResultDto;
 import project.backend.business.post.util.JsonParser;
+import project.backend.common.error.CustomException;
+import project.backend.common.error.ErrorCode;
 
 @Slf4j
 @Component
@@ -27,11 +32,12 @@ public SummaryResultDto getSummary(CreatePostServiceRequest createPostServiceReq
                                      .getOutput()
                                      .getContent();
 
-    Map<String, String> result = JsonParser.convertString2Json(responseContent);
+    JSONObject jsonObject = JsonParser.parseJsonFromText(responseContent);
+    Map<String, String> summaryResult = extractSummaryDataFromJson(jsonObject);
 
     return SummaryResultDto.builder()
-                           .title(result.get("title"))
-                           .content(result.get("content"))
+                           .title(summaryResult.get("title"))
+                           .content(summaryResult.get("content"))
                            .build();
   }
 
@@ -54,4 +60,21 @@ private Prompt getPrompt(CreatePostServiceRequest createPostServiceRequest) {
                                  .withModel(VertexAiGeminiChatModel.ChatModel.GEMINI_1_5_FLASH)
                                  .build());
   }
+
+  private Map<String, String> extractSummaryDataFromJson(JSONObject jsonObject) {
+    try {
+      String title = jsonObject.getString("title");
+      String content = jsonObject.getString("content");
+
+      Map<String, String> summaryDataMap = new HashMap<>();
+
+      summaryDataMap.put("title", title);
+      summaryDataMap.put("content", content);
+
+      return summaryDataMap;
+
+    } catch (JSONException e) {
+      throw new CustomException(ErrorCode.INVALID_SUMMARY);
+    }
+  }
 }

src/main/java/project/backend/business/post/util/JsonParser.java

@@ -1,7 +1,5 @@
 package project.backend.business.post.util;
 
-import java.util.HashMap;
-import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.json.JSONException;
@@ -11,29 +9,21 @@
 
 public class JsonParser {
 
-  public static Map<String, String> convertString2Json(String text) {
+  public static JSONObject parseJsonFromText(String text) {
     try {
-      text = stripJsonMarkdown(text);
-      JSONObject jsonObject = new JSONObject(text);
-
-      String title = jsonObject.getString("title");
-      String content = jsonObject.getString("content");
-
-      Map<String, String> result = new HashMap<>();
-      result.put("title", title);
-      result.put("content", content);
-      return result;
+      text = extractJsonContent(text);
+      return new JSONObject(text);
     } catch (JSONException e) {
-      throw new CustomException(ErrorCode.BAD_REQUEST);
+      throw new CustomException(ErrorCode.INVALID_SUMMARY);
     }
   }
 
-  private static String stripJsonMarkdown(String text) {
+  private static String extractJsonContent(String text) {
     String jsonPattern = "(?s)```json\\s*(.*?)\\s*```";
     Pattern pattern = Pattern.compile(jsonPattern);
     Matcher matcher = pattern.matcher(text);
     if (!matcher.find()) {
-      throw new CustomException(ErrorCode.BAD_REQUEST);
+      throw new CustomException(ErrorCode.INVALID_SUMMARY);
     }
     return matcher.group(1);
   }

src/main/java/project/backend/common/error/ErrorCode.java

@@ -5,15 +5,22 @@
 
 @Getter
 public enum ErrorCode {
+  // auth
   NONE_AUTHENTICATED("인증 정보가 없습니다.", HttpStatus.UNAUTHORIZED),
   NOT_AUTHENTICATED("유효하지 않는 인증 정보입니다.", HttpStatus.UNAUTHORIZED),
   USER_NOT_FOUND("존재하지 않는 유저입니다.", HttpStatus.UNAUTHORIZED),
-  BAD_REQUEST("잘못된 요청입니다.", HttpStatus.BAD_REQUEST),
   INVALID_REFRESH_TOKEN("유효하지 않은 리프레시 토큰입니다.", HttpStatus.UNAUTHORIZED),
   INVALID_ACCESS_TOKEN("유효하지 않은 엑세스 토큰입니다.", HttpStatus.UNAUTHORIZED),
   TOKEN_INVALID("유효하지 않은 토큰입니다.", HttpStatus.UNAUTHORIZED),
   ACCESS_DENIED("접근 권한이 없습니다.", HttpStatus.FORBIDDEN),
-  NOT_EXIST_REFRESH_TOKEN("존재하지 않는 리프레시 토큰입니다.", HttpStatus.BAD_REQUEST);
+  NOT_EXIST_REFRESH_TOKEN("존재하지 않는 리프레시 토큰입니다.", HttpStatus.BAD_REQUEST),
+
+  // 400
+  BAD_REQUEST("잘못된 요청입니다.", HttpStatus.BAD_REQUEST),
+
+  // 500
+  INVALID_SUMMARY("웹 사이트 요약 중 문제가 발생하였습니다.", HttpStatus.INTERNAL_SERVER_ERROR);
+
 
   private final String message;
   private final HttpStatus httpStatus;