Article Domain 설계

src/main/java/com/resuscitation/instagram/InstagramApplication.kt

@@ -2,7 +2,9 @@ package com.resuscitation.instagram
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing
 
+@EnableJpaAuditing
 @SpringBootApplication
 class InstagramApplication
 

src/main/java/com/resuscitation/instagram/article/application/ArticleRepository.kt

@@ -0,0 +1,8 @@
+package com.resuscitation.instagram.article.application
+
+import com.resuscitation.instagram.article.domain.Article
+
+interface ArticleRepository {
+    fun findById(id: Long): Article?
+    fun save(articleEntity: Article): Article
+}

src/main/java/com/resuscitation/instagram/article/application/ArticleService.kt

@@ -0,0 +1,40 @@
+package com.resuscitation.instagram.article.application
+
+import com.resuscitation.instagram.article.domain.Article
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class ArticleService(
+    private val articleRepository: ArticleRepository
+) {
+    @Transactional(readOnly = true)
+    fun getArticle(id: Long): Article {
+        val article: Article = articleRepository.findById(id) ?: throw IllegalArgumentException()
+        return article
+    }
+
+    @Transactional
+    fun createArticle() {
+        val article = Article.create(
+            title = "title",
+            content = "content",
+            authorId = 1L
+        )
+        articleRepository.save(article)
+    }
+
+    @Transactional
+    fun updateArticle(
+        id: Long,
+        title: String,
+        content: String
+    ) {
+        val article: Article = articleRepository.findById(id) ?: throw IllegalArgumentException()
+
+        article.update(
+            title = title,
+            content = content
+        )
+    }
+}

src/main/java/com/resuscitation/instagram/article/domain/Article.kt

@@ -0,0 +1,58 @@
+package com.resuscitation.instagram.article.domain
+
+import jakarta.persistence.Entity
+import jakarta.persistence.EntityListeners
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.GenerationType
+import jakarta.persistence.Id
+import java.time.Instant
+import org.springframework.data.annotation.CreatedDate
+import org.springframework.data.annotation.LastModifiedDate
+import org.springframework.data.jpa.domain.support.AuditingEntityListener
+
+@Entity
+@EntityListeners(AuditingEntityListener::class)
+class Article(
+    id: Long = 0L,
+    title: String = "",
+    content: String,
+    authorId: Long,
+    createdAt: Instant = Instant.MIN,
+    updatedAt: Instant = Instant.MIN,
+) {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = id
+
+    var title: String = title
+        protected set
+
+    var content: String = content
+        protected set
+
+    var authorId: Long = authorId
+        protected set
+
+    @CreatedDate
+    var createdAt: Instant = createdAt
+        protected set
+
+    @LastModifiedDate
+    var updatedAt: Instant = updatedAt
+        protected set
+
+    companion object {
+        fun create(title: String, content: String, authorId: Long): Article {
+            return Article(
+                title = title,
+                content = content,
+                authorId = authorId
+            )
+        }
+    }
+
+    fun update(title: String, content: String) {
+        this.title = title
+        this.content = content
+    }
+}

src/main/java/com/resuscitation/instagram/article/infrastructure/ArticleRepositoryAdaptor.kt

@@ -0,0 +1,18 @@
+package com.resuscitation.instagram.article.infrastructure
+
+import com.resuscitation.instagram.article.application.ArticleRepository
+import com.resuscitation.instagram.article.domain.Article
+import org.springframework.stereotype.Component
+
+@Component
+class ArticleRepositoryAdaptor(
+    private val jpaArticleRepository: JpaArticleRepository
+) : ArticleRepository {
+    override fun findById(id: Long): Article? {
+        return jpaArticleRepository.findById(id).orElse(null)
+    }
+
+    override fun save(articleEntity: Article): Article {
+        return jpaArticleRepository.save(articleEntity)
+    }
+}

src/main/java/com/resuscitation/instagram/article/infrastructure/JpaArticleRepository.kt

@@ -0,0 +1,10 @@
+package com.resuscitation.instagram.article.infrastructure
+
+import com.resuscitation.instagram.article.domain.Article
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface JpaArticleRepository : JpaRepository<Article, Long> {
+
+}

src/main/java/com/resuscitation/instagram/article/presentation/ArticleAuthorController.kt

@@ -0,0 +1,7 @@
+package com.resuscitation.instagram.article.presentation
+
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class ArticleAuthorController {
+}

src/main/java/com/resuscitation/instagram/article/presentation/ArticleUserController.kt

@@ -0,0 +1,10 @@
+package com.resuscitation.instagram.article.presentation
+
+import com.resuscitation.instagram.article.application.ArticleService
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+class ArticleUserController(
+    private val articleService: ArticleService
+) {
+}

src/main/java/com/resuscitation/instagram/user/service/ProfileServiceImpl.java

@@ -1,9 +1,9 @@
 package com.resuscitation.instagram.user.service;
 
-import com.resuscitation.instagram.article.entity.ArticleEntity;
+import com.resuscitation.instagram.article.domain.Article;
 import com.resuscitation.instagram.user.dto.ProfileDto;
 import com.resuscitation.instagram.user.entity.UserEntity;
-import com.resuscitation.instagram.article.repository.ArticleRepository;
+import com.resuscitation.instagram.article.infrastructure.ArticleRepository;
 import com.resuscitation.instagram.user.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -28,7 +28,7 @@ public ProfileDto showProfile(String nickname) {
         // User Repository에서 유저 정보 받아오기
         UserEntity userEntity = userRepository.findByNickname(nickname).orElseThrow();
         // Article repository 로부터 게시글 리스트 받아오기
-        Optional<ArticleEntity> articleEntity = articleRepository.findByAuthor_Nickname(nickname);
+        Optional<Article> articleEntity = articleRepository.findByAuthor_Nickname(nickname);
         ArrayList<String> postArray = new ArrayList<>();
         articleEntity.ifPresent(tmp -> postArray.add(tmp.getImage()));
         //유저 정보와 게시글 리스트 반환