Feat:CHAT-152-BE-api-월별-일기-리스트-조회

src/main/java/com/kuit/chatdiary/controller/diary/DiaryListController.java

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+package com.kuit.chatdiary.controller.diary;
+
+
+import com.kuit.chatdiary.dto.diary.DiaryListResponseDTO;
+import com.kuit.chatdiary.service.diary.DiaryListService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("diary")
+public class DiaryListController {
+
+    private final DiaryListService diaryListService;
+
+    public DiaryListController(DiaryListService diaryListService){
+        this.diaryListService = diaryListService;
+    }
+
+    @GetMapping("/monthly/list")
+    public ResponseEntity<List<DiaryListResponseDTO>> getMonthlyDiaryList(@RequestParam("user_id") Long user_id,
+                                                                          @RequestParam("year") int year, @RequestParam("month") int month){
+        List<DiaryListResponseDTO> monthlyEvents = diaryListService.getMonthlyDiaryPhotos(user_id,year,month);
+        return ResponseEntity.ok(monthlyEvents);
+    }
+
+
+}

src/main/java/com/kuit/chatdiary/dto/diary/DiaryListResponseDTO.java

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+package com.kuit.chatdiary.dto.diary;
+
+import com.kuit.chatdiary.domain.Diary;
+import com.kuit.chatdiary.domain.DiaryPhoto;
+import com.kuit.chatdiary.domain.DiaryTag;
+import com.kuit.chatdiary.domain.Photo;
+import com.kuit.chatdiary.domain.Tag;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Getter
+@Setter
+@NoArgsConstructor
+public class DiaryListResponseDTO {
+    private Long diaryId;
+    private String title;
+    private Date diaryDate;
+    private List<String> photoUrls;
+    private List<TagInfoDTO> tagList;
+
+    public DiaryListResponseDTO(Diary diary, List<DiaryPhoto> diaryPhotos, List<DiaryTag> diaryTags) {
+        this.diaryId = diary.getDiaryId();
+        this.title = diary.getTitle();
+        this.diaryDate = diary.getDiaryDate();
+        this.photoUrls = diaryPhotos.stream()
+                .map(DiaryPhoto::getPhoto)
+                .map(Photo::getImageUrl)
+                .collect(Collectors.toList());
+        this.tagList = diaryTags.stream()
+                .map(diaryTag -> new TagInfoDTO(diaryTag.getTag().getTagId(), diaryTag.getTag().getTagName()))
+                .collect(Collectors.toList());
+    }
+}

src/main/java/com/kuit/chatdiary/dto/diary/TagInfoDTO.java

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+package com.kuit.chatdiary.dto.diary;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class TagInfoDTO {
+    private Long tagId;
+    private String tagName;
+}

src/main/java/com/kuit/chatdiary/repository/diary/DiaryListRepository.java

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+package com.kuit.chatdiary.repository.diary;
+
+import com.kuit.chatdiary.domain.Diary;
+import com.kuit.chatdiary.domain.DiaryPhoto;
+import com.kuit.chatdiary.domain.DiaryTag;
+import com.kuit.chatdiary.dto.diary.DiaryListResponseDTO;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.TemporalType;
+import org.springframework.stereotype.Repository;
+
+import java.time.LocalDate;
+import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
+
+
+@Repository
+public class DiaryListRepository {
+        private final EntityManager em;
+
+        public DiaryListRepository(EntityManager em) {
+            this.em = em;
+        }
+
+        /** 우선 쿼리 세개 날리기.. */
+        public List<DiaryListResponseDTO> inquiryDiaryRange(Long userId, Date startDate, Date endDate) {
+            List<Diary> diaries = em.createQuery("SELECT d FROM diary d WHERE d.member.userId = :userId AND d.diaryDate BETWEEN :startDate AND :endDate", Diary.class)
+                    .setParameter("userId", userId)
+                    .setParameter("startDate", startDate, TemporalType.DATE)
+                    .setParameter("endDate", endDate, TemporalType.DATE)
+                    .getResultList();
+
+            return diaries.stream().map(diary -> {
+                List<DiaryPhoto> diaryPhotos = em.createQuery("SELECT dp FROM diaryphoto dp WHERE dp.diary = :diary", DiaryPhoto.class)
+                        .setParameter("diary", diary)
+                        .getResultList();
+                List<DiaryTag> diaryTags = em.createQuery("SELECT dt FROM diarytag dt WHERE dt.diary = :diary", DiaryTag.class)
+                        .setParameter("diary", diary)
+                        .getResultList();
+
+                return new DiaryListResponseDTO(diary, diaryPhotos, diaryTags);
+            }).collect(Collectors.toList());
+        }
+    }
+
+

src/main/java/com/kuit/chatdiary/service/diary/DiaryListService.java

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+package com.kuit.chatdiary.service.diary;
+
+import com.kuit.chatdiary.dto.diary.DiaryListResponseDTO;
+import com.kuit.chatdiary.repository.diary.DiaryListRepository;
+import org.springframework.stereotype.Service;
+
+import java.sql.Date;
+import java.time.LocalDate;
+import java.util.List;
+
+@Service
+public class DiaryListService {
+
+    private final DiaryListRepository diaryListRepository;
+
+    public DiaryListService(DiaryListRepository diaryListRepository){
+        this.diaryListRepository = diaryListRepository;
+    }
+
+    public List<DiaryListResponseDTO> getMonthlyDiaryPhotos(Long userId, int year, int month){
+        LocalDate firstDayOfMonthLocal = LocalDate.of(year, month, 1);
+        LocalDate lastDayOfMonthLocal = firstDayOfMonthLocal.plusMonths(1).minusDays(1);
+
+        Date firstDayOfMonth = Date.valueOf(firstDayOfMonthLocal);
+        Date lastDayOfMonth = Date.valueOf(lastDayOfMonthLocal);
+
+        return diaryListRepository.inquiryDiaryRange(userId, firstDayOfMonth, lastDayOfMonth);
+    }
+}