[feat/#94] 전체문제 조회 api 구현

Author: seokbeom00

src/main/java/com/moplus/moplus_server/client/submit/controller/.gitkeep

@@ -0,0 +1,31 @@
+package com.moplus.moplus_server.client.submit.controller;
+
+import com.moplus.moplus_server.client.submit.dto.response.AllProblemGetResponse;
+import com.moplus.moplus_server.client.submit.service.ClientGetService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Tag(name = "클라이언트 조회", description = "클라이언트 조회 관련 API")
+@RestController
+@RequestMapping("/api/v1/client")
+@RequiredArgsConstructor
+public class ClientGetController {
+
+    private final ClientGetService clientGetService;
+
+    @GetMapping("allProblem/{year}/{month}")
+    @Operation(summary = "전체 문제 조회", description = "월별 문제들에 대한 진행도와 정보들을 조회합니다.")
+    public ResponseEntity<List<AllProblemGetResponse>> getAllProblem(
+            @PathVariable int year,
+            @PathVariable int month
+    ) {
+        return ResponseEntity.ok(clientGetService.getAllProblem(year, month));
+    }
+}

src/main/java/com/moplus/moplus_server/client/submit/controller/ClientGetController.java

@@ -0,0 +1,26 @@
+package com.moplus.moplus_server.client.submit.dto.response;
+
+import com.moplus.moplus_server.client.submit.domain.ProblemSubmitStatus;
+import java.time.LocalDate;
+import java.util.List;
+import lombok.Builder;
+
+@Builder
+public record AllProblemGetResponse(
+        Long publishId,
+        LocalDate date,
+        DayProgress progress,
+        List<ProblemSubmitStatus> problemStatuses,
+        String mainProblemImageUrl
+) {
+    public static AllProblemGetResponse of(Long publishId, LocalDate date, DayProgress progress,
+                                           List<ProblemSubmitStatus> problemStatuses, String mainProblemImageUrl) {
+        return AllProblemGetResponse.builder()
+                .publishId(publishId)
+                .date(date)
+                .progress(progress)
+                .problemStatuses(problemStatuses)
+                .mainProblemImageUrl(mainProblemImageUrl)
+                .build();
+    }
+}

src/main/java/com/moplus/moplus_server/client/submit/dto/.gitkeep

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+package com.moplus.moplus_server.client.submit.dto.response;
+
+import com.moplus.moplus_server.client.submit.domain.ProblemSubmitStatus;
+import java.util.List;
+
+public enum DayProgress {
+    COMPLETE,
+    INCOMPLETE,
+    IN_PROGRESS;
+    public static DayProgress determineDayProgress(List<ProblemSubmitStatus> problemStatuses) {
+        if (problemStatuses.isEmpty()) {
+            return INCOMPLETE;
+        }
+        else if (problemStatuses.contains(ProblemSubmitStatus.IN_PROGRESS)) {
+            return IN_PROGRESS;
+        }
+        else{
+            return COMPLETE;
+        }
+    }
+}

src/main/java/com/moplus/moplus_server/client/submit/dto/response/AllProblemGetResponse.java

@@ -0,0 +1,9 @@
+package com.moplus.moplus_server.client.submit.repository;
+
+import com.moplus.moplus_server.client.submit.domain.ProblemSubmit;
+import java.util.List;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProblemSubmitRepository extends JpaRepository<ProblemSubmit, Long> {
+    List<ProblemSubmit> findByMemberIdAndPublishId(Long memberId, Long publishId);
+}

src/main/java/com/moplus/moplus_server/client/submit/dto/response/DayProgress.java

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+package com.moplus.moplus_server.client.submit.service;
+
+
+import com.moplus.moplus_server.admin.publish.domain.Publish;
+import com.moplus.moplus_server.client.submit.domain.ProblemSubmit;
+import com.moplus.moplus_server.client.submit.domain.ProblemSubmitStatus;
+import com.moplus.moplus_server.client.submit.dto.response.AllProblemGetResponse;
+import com.moplus.moplus_server.client.submit.dto.response.DayProgress;
+import com.moplus.moplus_server.client.submit.repository.ProblemSubmitRepository;
+import com.moplus.moplus_server.domain.problem.domain.problem.Problem;
+import com.moplus.moplus_server.domain.problem.repository.ProblemRepository;
+import com.moplus.moplus_server.domain.problemset.repository.ProblemSetRepository;
+import com.moplus.moplus_server.domain.publish.repository.PublishRepository;
+import com.moplus.moplus_server.global.error.exception.ErrorCode;
+import com.moplus.moplus_server.global.error.exception.InvalidValueException;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class ClientGetService {
+
+    private final PublishRepository publishRepository;
+    private final ProblemSubmitRepository problemSubmitRepository;
+    private final ProblemRepository problemRepository;
+    private final ProblemSetRepository problemSetRepository;
+
+    @Transactional(readOnly = true)
+    public List<AllProblemGetResponse> getAllProblem(int year, int month) {
+
+        Long memberId = 1L;
+
+        if (month < 1 || month > 12) {
+            throw new InvalidValueException(ErrorCode.INVALID_MONTH_ERROR);
+        }
+        LocalDate startDate = LocalDate.of(year, month, 1);
+        LocalDate endDate = startDate.withDayOfMonth(startDate.lengthOfMonth());
+
+        // 해당 월 모든 Publish 조회
+        List<Publish> publishes = publishRepository.findByPublishedDateBetween(startDate, endDate);
+
+        List<AllProblemGetResponse> result = new ArrayList<>();
+
+        for (Publish publish : publishes) {
+            Long publishId = publish.getId();
+            LocalDate date = publish.getPublishedDate();
+
+            // 날짜별 사용자 제출 정보 조회
+            List<ProblemSubmit> submissions = problemSubmitRepository.findByMemberIdAndPublishId(memberId, publishId);
+            List<ProblemSubmitStatus> problemStatuses = submissions.stream()
+                    .map(ProblemSubmit::getStatus)
+                    .toList();
+
+            // 사용자 제출 정보 바탕으로 진행도 결정
+            DayProgress progress = DayProgress.determineDayProgress(problemStatuses);
+            String mainProblemImageUrl = getMainProblemImageUrl(publish.getProblemSetId());
+
+            result.add(AllProblemGetResponse.of(publishId, date, progress, problemStatuses, mainProblemImageUrl));
+        }
+        return result;
+    }
+
+    private String getMainProblemImageUrl(Long problemSetId) {
+        return problemSetRepository.findById(problemSetId)
+                .flatMap(problemSet -> problemSet.getProblemIds().stream().findFirst())
+                .flatMap(problemRepository::findById)
+                .map(Problem::getMainProblemImageUrl)
+                .orElse(null);
+    }
+}