Merge pull request #502 from SWM-NM/feat/#501

✨ [FEAT] 백준 제출 시 solution-id반환하게 설정 #501

src/main/java/swm_nm/morandi/domain/codeSubmit/controller/CodeSubmitController.java

@@ -6,6 +6,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import swm_nm.morandi.domain.codeSubmit.dto.BaekjoonUserDto;
+import swm_nm.morandi.domain.codeSubmit.dto.SolutionIdDto;
 import swm_nm.morandi.domain.codeSubmit.dto.SubmitCodeDto;
 import swm_nm.morandi.domain.codeSubmit.service.BaekjoonSubmitService;
 
@@ -21,7 +22,7 @@ public class CodeSubmitController {
 
     @PostMapping("/baekjoon")
     @Operation(summary = "문제 번호, 언어이름, 소스코드를 백준에 제출하는 컨트롤러 ", description = "사용자가 테스트 중 코드를 제출하는 경우 백준에 제출하는 컨트롤러입니다.")
-    public ResponseEntity<String> submit(@RequestBody @Valid SubmitCodeDto submitCodeDto) {
+    public ResponseEntity<SolutionIdDto> submit(@RequestBody @Valid SubmitCodeDto submitCodeDto) {
         return submitService.submit(submitCodeDto);
     }
 

src/main/java/swm_nm/morandi/domain/codeSubmit/dto/SolutionIdDto.java

@@ -0,0 +1,12 @@
+package swm_nm.morandi.domain.codeSubmit.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@Setter
+@Getter
+@AllArgsConstructor
+public class SolutionIdDto {
+    public String solutionId;
+}

src/main/java/swm_nm/morandi/domain/codeSubmit/service/BaekjoonSubmitService.java

@@ -4,6 +4,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.http.*;
 import org.springframework.stereotype.Service;
@@ -13,8 +14,8 @@
 import org.springframework.web.client.HttpClientErrorException;
 import org.springframework.web.client.RestTemplate;
 import swm_nm.morandi.domain.codeSubmit.constants.CodeVisuabilityConstants;
-import swm_nm.morandi.domain.codeSubmit.constants.SubmitConstants;
 import swm_nm.morandi.domain.codeSubmit.dto.BaekjoonUserDto;
+import swm_nm.morandi.domain.codeSubmit.dto.SolutionIdDto;
 import swm_nm.morandi.domain.member.entity.Member;
 import swm_nm.morandi.domain.member.repository.MemberRepository;
 import swm_nm.morandi.global.exception.MorandiException;
@@ -86,15 +87,16 @@ private void updateMemberInfo(Member member, String bojId){
 
     }
 
-    public ResponseEntity<String> submit(SubmitCodeDto submitCodeDto) {
+    public ResponseEntity<SolutionIdDto> submit(SubmitCodeDto submitCodeDto) {
         validateBojProblemId(submitCodeDto.getBojProblemId());
 
         Long memberId = SecurityUtils.getCurrentMemberId();
         String cookie = getCookieFromRedis(generateKey(memberId));
         String CSRFKey = getCSRFKey(cookie, submitCodeDto.getBojProblemId());
         String submitResult = sendSubmitRequest(cookie, CSRFKey, submitCodeDto);
-
-        return processSubmitResult(submitResult);
+        String acmicpcUrl = String.format("https://www.acmicpc.net/submit/%s", submitCodeDto.getBojProblemId());
+        HttpHeaders headers = createHeaders(cookie);
+        return processSubmitResult(submitResult,acmicpcUrl,headers);
     }
     private void validateBojProblemId(String bojProblemId) {
         try {
@@ -168,10 +170,48 @@ private MultiValueMap<String, String> createParameters(SubmitCodeDto submitCodeD
             parameters.add("csrf_key", CSRFKey);
         return parameters;
     }
-    private ResponseEntity<String> processSubmitResult(String submitResult) {
-        if (submitResult.contains("status")) {
-            return new ResponseEntity<>(HttpStatus.OK);
+    private ResponseEntity<SolutionIdDto> processSubmitResult(String location,String acmicpcUrl,HttpHeaders headers){
+
+        if (location.contains("status")) {
+                if (!location.startsWith("http"))
+                    location = URI.create(acmicpcUrl).resolve(location).toString();
+                ResponseEntity<String> redirectedResponse = restTemplate.exchange(location, HttpMethod.GET, new HttpEntity<>(headers), String.class);
+
+                // HTML에서 solution-id를 추출합니다.
+                SolutionIdDto solutionId = extractSolutionIdFromHtml(redirectedResponse.getBody());
+
+                if (solutionId.getSolutionId() != null) {
+                    System.out.println("Extracted Solution ID: " + solutionId);
+                    return ResponseEntity.status(redirectedResponse.getStatusCode()).body(solutionId);
+
+                } else {
+                    throw new MorandiException(SubmitErrorCode.CANT_FIND_SOLUTION_ID);
+                }
+
+
         }
         throw new MorandiException(SubmitErrorCode.BAEKJOON_LOGIN_ERROR);
     }
+    private SolutionIdDto extractSolutionIdFromHtml(String html) {
+        // HTML을 파싱합니다.
+        Document doc = Jsoup.parse(html);
+
+        // 테이블을 선택합니다.
+        Element table = doc.getElementById("status-table");
+
+        // 첫 번째 행을 선택합니다.
+        Element firstRow = table.select("tbody tr").first();
+
+        // 첫 번째 행에서 solution-id를 추출합니다.
+        Element solutionIdElement = firstRow.select("td").first(); // 첫 번째 열에 있는 것이 solution-id 입니다.
+
+        if (solutionIdElement != null) {
+            String solutionId = solutionIdElement.text();
+
+            return new SolutionIdDto(solutionId);
+
+        } else {
+           throw new MorandiException(SubmitErrorCode.CANT_FIND_SOLUTION_ID);
+        }
+    }
 }

src/main/java/swm_nm/morandi/global/exception/errorcode/SubmitErrorCode.java

@@ -13,7 +13,8 @@ public enum SubmitErrorCode implements ErrorCode {
     COOKIE_NOT_EXIST(HttpStatus.BAD_REQUEST,"쿠키가 존재하지 않습니다. 익스텐션을 실행해 주세요"),
     BAEKJOON_INVALID_ID(HttpStatus.BAD_REQUEST,"초기에 등록한 백준 ID로 로그인 해주세요"),
     BAEKJOON_UNKNOWN_ERROR(HttpStatus.INTERNAL_SERVER_ERROR,"알 수 없는 오류가 발생했습니다"),
-    INVALID_BOJPROBLEM_NUMBER(HttpStatus.BAD_REQUEST,"유효하지 않은 문제 번호입니다");
+    INVALID_BOJPROBLEM_NUMBER(HttpStatus.BAD_REQUEST,"유효하지 않은 문제 번호입니다"),
+    CANT_FIND_SOLUTION_ID(HttpStatus.BAD_REQUEST,"Solution ID를 찾을 수 없습니다");
 
     //TODO
     //크롬익스텐션에서 fetch요청 시 forbidden오면 저장된 쿠키 null로 변경하고, 다시 로그인하라는 메시지 띄우기