Merge pull request #93 from HaruHan-Mail/feat(90)

Feat(90)

Author: jjindol

Dockerfile

@@ -4,4 +4,8 @@ ARG JAR_FILE=./build/libs/*-SNAPSHOT.jar
 
 COPY ${JAR_FILE} haruhan.jar
 
-ENTRYPOINT ["java", "-jar", "/haruhan.jar"]
+# 시스템 시간대 설정
+ENV TZ=Asia/Seoul
+
+# JVM 시간대 설정
+ENTRYPOINT ["java", "-Duser.timezone=Asia/Seoul", "-jar", "/haruhan.jar"]

src/main/java/com/haruhan/common/error/repository/ContentRepository.java

@@ -2,6 +2,16 @@
 
 import com.haruhan.common.error.entity.Content;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+import java.util.List;
 
 public interface ContentRepository extends JpaRepository<Content, Long> {
-}
+
+    @Query("SELECT c FROM Content c ORDER BY c.bookmark_count DESC LIMIT 3")
+    List<Content> findTop5ByBookmarkCount();
+
+    @Query("SELECT c FROM Content c WHERE c.content_id <= :end ORDER BY c.content_id ASC")
+    List<Content> findUpToLastContent(@Param("end") Long lastContentId);
+}

src/main/java/com/haruhan/content/controller/ContentController.java

@@ -0,0 +1,32 @@
+package com.haruhan.content.controller;
+
+import com.haruhan.common.error.StatusCode;
+import com.haruhan.common.error.dto.Message;
+import com.haruhan.content.dto.ContentResDto;
+import com.haruhan.content.service.ContentService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/content")
+@RequiredArgsConstructor
+@CrossOrigin
+public class ContentController {
+
+    private final ContentService contentService;
+
+    @GetMapping("/mine/{email}")
+    public ResponseEntity<Message> getUserReceivedContent(@PathVariable String email) {
+        List<ContentResDto> contentList = contentService.getUserReceivedContent(email);
+        return ResponseEntity.ok(new Message(StatusCode.OK, contentList));
+    }
+
+    @GetMapping("/top5")
+    public ResponseEntity<Message> getTop5BookmarkedContent() {
+        List<ContentResDto> top5Content = contentService.getTop5BookmarkedContent();
+        return ResponseEntity.ok(new Message(StatusCode.OK, top5Content));
+    }
+}

src/main/java/com/haruhan/content/dto/ContentResDto.java

@@ -0,0 +1,14 @@
+package com.haruhan.content.dto;
+
+import java.util.List;
+
+//사용자가 받은 컨텐츠 정보를 응답하는 DTO
+public record ContentResDto(
+        Long id,
+        String title,
+        String summary,
+        List<String> background,
+        List<String> importance,
+        List<String> tip,
+        List<String> additionalResources
+) {}

src/main/java/com/haruhan/content/entity/UserReceivedContent.java

@@ -0,0 +1,39 @@
+package com.haruhan.content.entity;
+
+import com.haruhan.common.error.entity.Content;
+import com.haruhan.user.entity.User;
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@Entity
+@Getter
+@NoArgsConstructor
+@Table(name = "user_received_content")
+public class UserReceivedContent {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id", nullable = false)
+    private User user; // 사용자를 참조
+
+    @ManyToOne
+    @JoinColumn(name = "content_id", nullable = false)
+    private Content content; // 받은 컨텐츠를 참조
+
+    @Column(name = "received_at", nullable = false)
+    private LocalDateTime receivedAt; // 받은 날짜
+
+    public UserReceivedContent(User user, Content content) {
+        this.user = user;
+        this.content = content;
+        this.receivedAt = LocalDateTime.now();
+    }
+}
+
+//id를 pk로 할지, 복합키 쓸지 고민중

src/main/java/com/haruhan/content/repository/UserReceivedContentRepository.java

@@ -0,0 +1,14 @@
+package com.haruhan.content.repository;
+
+import com.haruhan.content.entity.UserReceivedContent;
+import com.haruhan.user.entity.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface UserReceivedContentRepository extends JpaRepository<UserReceivedContent, Long> {
+
+    List<UserReceivedContent> findByUser(User user);
+}

src/main/java/com/haruhan/content/service/ContentService.java

@@ -0,0 +1,11 @@
+package com.haruhan.content.service;
+
+import com.haruhan.content.dto.ContentResDto;
+
+import java.util.List;
+
+public interface ContentService {
+
+    List<ContentResDto> getUserReceivedContent(String email);
+    List<ContentResDto> getTop5BookmarkedContent();
+}

src/main/java/com/haruhan/content/service/ContentServiceImpl.java

@@ -0,0 +1,76 @@
+package com.haruhan.content.service;
+
+import com.haruhan.common.error.CustomException;
+import com.haruhan.common.error.StatusCode;
+import com.haruhan.common.error.entity.Content;
+import com.haruhan.common.error.repository.ContentRepository;
+import com.haruhan.content.dto.ContentResDto;
+import com.haruhan.user.entity.User;
+import com.haruhan.user.repository.UserRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class ContentServiceImpl implements ContentService {
+
+    private final UserRepository userRepository;
+    private final ContentRepository contentRepository;
+
+    @Override
+    public List<ContentResDto> getUserReceivedContent(String email) {
+        User user = userRepository.findByEmail(email)
+                .orElseThrow(() -> new CustomException(StatusCode.NOT_FOUND_USER));
+
+        Long lastContentId = user.getLastReceivedContentId();
+
+        if (lastContentId == null || lastContentId < 1) {
+            throw new CustomException(StatusCode.NOT_FOUND);
+        }
+
+        List<Content> contentList = contentRepository.findUpToLastContent(lastContentId);
+
+        return contentList.stream()
+                .map(this::convertToDto)
+                .collect(Collectors.toList());
+    }
+
+
+    @Override
+    public List<ContentResDto> getTop5BookmarkedContent() {
+        List<Content> top5Content = contentRepository.findTop5ByBookmarkCount();
+
+        return top5Content.stream()
+                .map(this::convertToDto)
+                .collect(Collectors.toList());
+    }
+
+
+    //문자열을 줄바꿈 기준으로 분리하여 리스트로 변환
+    private List<String> splitByNewLine(String text) {
+        return Arrays.stream(text.split("\n"))
+                .map(String::trim)
+                .filter(s -> !s.isEmpty())
+                .collect(Collectors.toList());
+    }
+
+
+    //Content -> ContentResDto 변환
+    private ContentResDto convertToDto(Content content) {
+        return new ContentResDto(
+                content.getContent_id(),
+                content.getTitle(),
+                content.getSummary(),
+                splitByNewLine(content.getBackground()),
+                splitByNewLine(content.getImportance()),
+                splitByNewLine(content.getTip()),
+                splitByNewLine(content.getAdditional_resources())
+        );
+    }
+}

src/main/java/com/haruhan/user/entity/User.java

@@ -43,6 +43,9 @@ public class User {
     //orphanRemoval : 연결이 끊어진(null이 된) 북마크 엔티티를 자동 삭제
     private List<Bookmark> bookmarks;
 
+    @Column(name = "last_received_content_id")
+    private Long lastReceivedContentId = 0L; // 마지막으로 받은 콘텐츠 ID
+
 
     public User(String email, PreferedTime preferedTime, Boolean isDaily) {
         this.email = email;

src/main/resources/application.yml

@@ -9,6 +9,9 @@ spring:
   application:
     name: haruhan-mail
 
+  jackson:
+    time-zone: Asia/Seoul
+
   datasource:
     url: jdbc:mysql://${DB_HOST}:${DB_PORT}/${DB_NAME}
     username: ${DB_USERNAME}