#67 글 삭제시 댓글, 리액션 삭제

article-api/src/main/kotlin/com/sns/article/component/article/application/ArticleCommandService.kt

@@ -6,11 +6,14 @@ import com.sns.article.component.article.domains.ArticleScope
 import com.sns.article.component.article.repositories.ArticleRepository
 import com.sns.article.component.comment.domains.Comment
 import com.sns.article.component.comment.repositories.CommentRepository
-import com.sns.article.component.reaction.domains.ReactionRepository
+import com.sns.article.component.reaction.domains.ReactionTarget
+import com.sns.article.component.reaction.domains.ReactionTargetType
+import com.sns.article.component.reaction.repositories.ReactionRepository
 import com.sns.commons.exceptions.NoAuthorityException
 import com.sns.commons.exceptions.NotFoundException
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
+import kotlin.streams.toList
 
 /**
  * @author Hyounglin Jun
@@ -55,7 +58,13 @@ class ArticleCommandService(
 
         articleRepository.delete(article)
         commentRepository.findAllByRootIdInAndRootType(listOf(articleId.id.toString()), Comment.Root.Type.ARTICLE)
-            .let { commentRepository.deleteAll(it) }
-        // FIXME reaction 을 삭제하는 방법 확인 (DB 정의가 없음)
+            .let {
+                commentRepository.deleteAll(it)
+                reactionRepository.findAllByTargetIn(it.stream()
+                    .map { a -> ReactionTarget(ReactionTargetType.COMMENT, a.id!!) }
+                    .toList())
+                    .let { reactions -> reactionRepository.deleteAll(reactions) }
+            }
+        reactionRepository.findAllByTargetIn(listOf(ReactionTarget(ReactionTargetType.ARTICLE, articleId.id.toLong())))
     }
 }

article-api/src/main/kotlin/com/sns/article/component/reaction/application/ReactionCommandService.kt

@@ -1,10 +1,10 @@
 package com.sns.article.component.reaction.application
 
 import com.sns.article.component.reaction.domains.Reaction
-import com.sns.article.component.reaction.domains.ReactionRepository
 import com.sns.article.component.reaction.domains.ReactionTarget
 import com.sns.article.component.reaction.domains.ReactionValidator
 import com.sns.article.component.reaction.dtos.ReactionDto
+import com.sns.article.component.reaction.repositories.ReactionRepository
 import com.sns.article.endpoints.reaction.requests.ReactionCreateRequest
 import com.sns.commons.exceptions.NotFoundException
 import org.springframework.context.ApplicationEventPublisher

article-api/src/main/kotlin/com/sns/article/component/reaction/application/ReactionCreatedEventHandler.kt

@@ -2,7 +2,7 @@ package com.sns.article.component.reaction.application
 
 import com.sns.article.component.reaction.domains.ReactionCreatedEvent
 import com.sns.article.component.reaction.domains.ReactionNotFoundException
-import com.sns.article.component.reaction.domains.ReactionRepository
+import com.sns.article.component.reaction.repositories.ReactionRepository
 import org.springframework.context.event.EventListener
 import org.springframework.stereotype.Component
 import org.springframework.transaction.annotation.Transactional

article-api/src/main/kotlin/com/sns/article/component/reaction/application/ReactionQueryService.kt

@@ -1,8 +1,8 @@
 package com.sns.article.component.reaction.application
 
 import com.sns.article.component.reaction.domains.ReactionNotFoundException
-import com.sns.article.component.reaction.domains.ReactionRepository
 import com.sns.article.component.reaction.dtos.ReactionDto
+import com.sns.article.component.reaction.repositories.ReactionRepository
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 

article-api/src/main/kotlin/com/sns/article/component/reaction/repositories/DefaultReactionRepository.kt

@@ -0,0 +1,8 @@
+package com.sns.article.component.reaction.repositories
+
+import org.springframework.stereotype.Repository
+
+
+@Repository
+class DefaultReactionRepository(reactionCrudRepository: ReactionCrudRepository) : ReactionRepository,
+    ReactionCrudRepository by reactionCrudRepository

article-api/src/main/kotlin/com/sns/article/component/reaction/repositories/ReactionCrudRepository.kt

@@ -0,0 +1,14 @@
+package com.sns.article.component.reaction.repositories
+
+import com.sns.article.component.reaction.domains.Reaction
+import com.sns.article.component.reaction.domains.ReactionTarget
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+
+/**
+ * Created by JunSeok Youn on 2022/03/06
+ */
+@Repository
+interface ReactionCrudRepository : CrudRepository<Reaction, Long> {
+    fun findAllByTargetIn(targets: List<ReactionTarget>): List<Reaction>
+}

article-api/src/main/kotlin/com/sns/article/component/reaction/repositories/ReactionRepository.kt

@@ -0,0 +1,14 @@
+package com.sns.article.component.reaction.repositories
+
+import com.sns.article.component.reaction.domains.Reaction
+import com.sns.article.component.reaction.domains.ReactionTarget
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+
+/**
+ * Created by JunSeok Youn on 2022/03/06
+ */
+@Repository
+interface ReactionRepository : CrudRepository<Reaction, Long> {
+    fun findAllByTargetIn(targets: List<ReactionTarget>): List<Reaction>
+}