�Feat: ContentCommandImplService 구현 (#24)

* Feat: ContentCommandImplService 구현
* Chore:  Content 엔티티의 필드를 int에서 Long으로 변경

src/main/java/beforespring/socialfeed/content/domain/Content.java

@@ -1,10 +1,10 @@
 package beforespring.socialfeed.content.domain;
 
 
-import javax.persistence.EmbeddedId;
-import javax.persistence.Entity;
-import javax.persistence.Index;
-import javax.persistence.Table;
+import lombok.*;
+
+import javax.persistence.*;
+import java.time.LocalDateTime;
 
 @Entity
 @Table(
@@ -17,8 +17,35 @@
         )
     }
 )
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Getter
 public class Content {
+    @Id
+    @Column(name = "memberId")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Enumerated(EnumType.STRING)
+    private ContentSourceType contentSourceType;
+
+    private String title;
+    private String content;
+    private Long viewCount;
+    private Long likeCount;
+    private Long shareCount;
 
-    @EmbeddedId
-    private ContentIdTuple idTuple;
+    private LocalDateTime updatedAt;
+    private LocalDateTime createdAt;
+
+    public void incrementViewCount() {
+        this.viewCount++;
+    }
+
+    public void incrementLikeCount() {
+        this.likeCount++;
+    }
+
+    public void incrementShareCount() {
+        this.shareCount++;
+    }
 }

src/main/java/beforespring/socialfeed/content/domain/ContentRepository.java

@@ -0,0 +1,9 @@
+package beforespring.socialfeed.content.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ContentRepository extends JpaRepository<Content, Long> {
+
+}

src/main/java/beforespring/socialfeed/content/domain/HashtagContent.java

@@ -1,11 +1,6 @@
 package beforespring.socialfeed.content.domain;
 
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.Index;
-import javax.persistence.Table;
+import javax.persistence.*;
 
 /**
  * 해시태그 검색용 테이블
@@ -30,5 +25,4 @@ public class HashtagContent {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;  // UUID 적용 고려할것.
     private String hashtag;
-    private ContentIdTuple contentId;  // one to many 고려
 }

src/main/java/beforespring/socialfeed/content/service/ContentCommandImplServiceImpl.java

@@ -0,0 +1,73 @@
+package beforespring.socialfeed.content.service;
+
+import beforespring.socialfeed.content.domain.Content;
+import beforespring.socialfeed.content.domain.ContentRepository;
+import beforespring.socialfeed.content.domain.ContentSourceType;
+import beforespring.socialfeed.content.service.dto.ContentSpecificData;
+import beforespring.socialfeed.content.service.exception.ContentNotFoundException;
+import beforespring.socialfeed.member.domain.Member;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.crossstore.ChangeSetPersister;
+import org.springframework.stereotype.Service;
+
+import javax.transaction.Transactional;
+import java.util.Optional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class ContentCommandImplServiceImpl implements ContentCommandService {
+    private final ContentRepository contentRepository;
+
+    @Override
+    public ContentSpecificData getContentSpecific(Long contentId) {
+        Optional<Content> optionalContent = contentRepository.findById(contentId);
+
+        if (optionalContent.isPresent()) {
+            Content content = optionalContent.get();
+
+            content.incrementViewCount();
+
+            contentRepository.save(content);
+
+            ContentSpecificData contentData = new ContentSpecificData(
+                contentId,
+                content.getContentSourceType(),
+                content.getTitle(),
+                content.getContent(),
+                content.getViewCount(),
+                content.getLikeCount(),
+                content.getShareCount(),
+                content.getUpdatedAt(),
+                content.getCreatedAt()
+            );
+
+            return contentData;
+        } else {
+            throw new ContentNotFoundException();
+        }
+    }
+
+
+    @Override
+    public void like(Long contentId, Member member) {
+        Content content = contentRepository.findById(contentId)
+            .orElseThrow(() -> new ContentNotFoundException());
+
+        content.incrementLikeCount();
+
+        contentRepository.save(content);
+    }
+
+    @Override
+    public void share(Long contentId, Member member) {
+        Content content = contentRepository.findById(contentId)
+            .orElseThrow(() -> new ContentNotFoundException());
+
+        content.incrementShareCount();
+
+        contentRepository.save(content);
+    }
+}
+

src/main/java/beforespring/socialfeed/content/service/ContentCommandService.java

@@ -1,6 +1,5 @@
 package beforespring.socialfeed.content.service;
 
-import beforespring.socialfeed.content.domain.ContentIdTuple;
 import beforespring.socialfeed.content.service.dto.ContentSpecificData;
 import beforespring.socialfeed.member.domain.Member;
 
@@ -20,10 +19,10 @@ public interface ContentCommandService {
      * 횟수 제한이 없습니다.
      * </li>
      *
-     * @param contentIdTuple 찾을 게시물 ID
+     * @param contentId 찾을 게시물 ID
      * @return ContentSpecificData
      */
-    ContentSpecificData getContentSpecific(ContentIdTuple contentIdTuple);
+    ContentSpecificData getContentSpecific(Long contentId);
 
     /**
      * <p>
@@ -33,10 +32,10 @@ public interface ContentCommandService {
      * 게시물들은 본 서비스가 아닌 외부 서비스에서 관리됩니다. 그렇기에 좋아요 클릭 시 각 SNS 별 아래 명시된 API 를 호출합니다.
      * </li>
      *
-     * @param contentIdTuple 좋아요할 게시물 ID
+     * @param contentId 좋아요할 게시물 ID
      * @param member         공유하는 멤버
      */
-    void like(ContentIdTuple contentIdTuple, Member member);
+    void like(Long contentId, Member member);
 
     /**
      * <p>
@@ -52,8 +51,8 @@ public interface ContentCommandService {
      * 횟수 제한이 없습니다.
      * </li>
      *
-     * @param contentIdTuple 공유할 게시물 아이디
+     * @param contentId 공유할 게시물 아이디
      * @param member         공유하는 멤버
      */
-    void share(ContentIdTuple contentIdTuple, Member member);
+    void share(Long contentId, Member member);
 }

src/main/java/beforespring/socialfeed/content/service/dto/ContentSpecificData.java

@@ -1,6 +1,19 @@
 package beforespring.socialfeed.content.service.dto;
 
+import beforespring.socialfeed.content.domain.ContentSourceType;
+
+import java.time.LocalDateTime;
+
 public record ContentSpecificData(
+        Long contentId,
+        ContentSourceType contentSourceType,
+        String title,
+        String content,
+        Long viewCount,
+        Long likeCount,
+        Long shareCount,
+        LocalDateTime updatedAt,
+        LocalDateTime createdAt
 
 ) {
 

src/main/java/beforespring/socialfeed/content/service/exception/ContentNotFoundException.java

@@ -0,0 +1,7 @@
+package beforespring.socialfeed.content.service.exception;
+
+public class ContentNotFoundException extends RuntimeException {
+    public ContentNotFoundException() {
+        super("Content Not Found");
+    }
+}